./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G --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 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:36:00,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:36:00,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:36:00,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:36:00,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:36:00,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:36:00,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:36:00,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:36:00,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:36:00,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:36:00,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:36:00,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:36:00,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:36:00,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:36:00,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:36:00,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:36:00,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:36:00,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:36:00,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:36:00,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:36:00,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:36:00,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:36:00,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:36:00,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:36:00,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:36:00,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:36:00,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:36:00,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:36:00,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:36:00,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:36:00,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:36:00,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:36:00,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:36:00,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:36:00,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:36:00,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:36:00,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:36:00,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:36:00,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:36:00,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:36:00,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:36:00,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:36:00,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:36:00,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:36:00,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:36:00,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:36:00,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:36:00,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:36:00,204 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:36:00,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:36:00,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:36:00,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:36:00,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:36:00,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:36:00,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:36:00,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:36:00,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:36:00,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:36:00,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:36:00,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:36:00,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:36:00,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:36:00,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:36:00,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:36:00,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:36:00,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:36:00,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:36:00,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:36:00,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:36:00,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:36:00,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:36:00,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:36:00,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:36:00,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:36:00,211 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_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2021-11-23 13:36:00,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:36:00,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:36:00,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:36:00,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:36:00,524 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:36:00,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-11-23 13:36:00,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/181048a2f/cff69b6a44aa4192abc573f76e3b14a1/FLAG3f954b732 [2021-11-23 13:36:01,111 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:36:01,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-11-23 13:36:01,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/181048a2f/cff69b6a44aa4192abc573f76e3b14a1/FLAG3f954b732 [2021-11-23 13:36:01,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/181048a2f/cff69b6a44aa4192abc573f76e3b14a1 [2021-11-23 13:36:01,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:36:01,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:36:01,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:01,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:36:01,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:36:01,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:01,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511b535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01, skipping insertion in model container [2021-11-23 13:36:01,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:01,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:36:01,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:36:01,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2021-11-23 13:36:01,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:01,851 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:36:01,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2021-11-23 13:36:01,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:01,973 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:36:01,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01 WrapperNode [2021-11-23 13:36:01,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:01,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:36:01,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:36:01,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:36:01,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,060 INFO L137 Inliner]: procedures = 21, calls = 381, calls flagged for inlining = 11, calls inlined = 26, statements flattened = 649 [2021-11-23 13:36:02,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:36:02,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:36:02,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:36:02,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:36:02,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:36:02,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:36:02,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:36:02,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:36:02,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (1/1) ... [2021-11-23 13:36:02,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:36:02,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:36:02,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:36:02,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:36:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:36:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:36:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 13:36:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:36:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:36:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-23 13:36:02,301 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:36:02,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:36:02,852 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:36:02,859 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:36:02,859 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:36:02,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:02 BoogieIcfgContainer [2021-11-23 13:36:02,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:36:02,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:36:02,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:36:02,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:36:02,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:36:01" (1/3) ... [2021-11-23 13:36:02,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544a67d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:36:02, skipping insertion in model container [2021-11-23 13:36:02,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01" (2/3) ... [2021-11-23 13:36:02,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544a67d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:36:02, skipping insertion in model container [2021-11-23 13:36:02,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:02" (3/3) ... [2021-11-23 13:36:02,884 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2021-11-23 13:36:02,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:36:02,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 13:36:02,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:36:02,983 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 [2021-11-23 13:36:02,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 13:36:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 60 states have internal predecessors, (76), 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) [2021-11-23 13:36:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:36:03,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:36:03,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:36:03,008 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-23 13:36:03,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:36:03,015 INFO L85 PathProgramCache]: Analyzing trace with hash -522511804, now seen corresponding path program 1 times [2021-11-23 13:36:03,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:36:03,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250887922] [2021-11-23 13:36:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:36:03,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:36:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:36:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:36:03,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:36:03,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250887922] [2021-11-23 13:36:03,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250887922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:36:03,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:36:03,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:36:03,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23558549] [2021-11-23 13:36:03,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:36:03,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:36:03,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:36:03,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:36:03,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:36:03,389 INFO L87 Difference]: Start difference. First operand has 61 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 60 states have internal predecessors, (76), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-23 13:36:03,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:36:03,408 INFO L93 Difference]: Finished difference Result 119 states and 148 transitions. [2021-11-23 13:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:36:03,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-23 13:36:03,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:36:03,418 INFO L225 Difference]: With dead ends: 119 [2021-11-23 13:36:03,419 INFO L226 Difference]: Without dead ends: 35 [2021-11-23 13:36:03,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:36:03,426 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:36:03,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:36:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-23 13:36:03,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-23 13:36:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 34 states have internal predecessors, (34), 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) [2021-11-23 13:36:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2021-11-23 13:36:03,461 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2021-11-23 13:36:03,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:36:03,461 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2021-11-23 13:36:03,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-23 13:36:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2021-11-23 13:36:03,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:36:03,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:36:03,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:36:03,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:36:03,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-23 13:36:03,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:36:03,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1252495558, now seen corresponding path program 1 times [2021-11-23 13:36:03,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:36:03,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298211891] [2021-11-23 13:36:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:36:03,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:36:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:36:03,571 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:36:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:36:03,640 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:36:03,641 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:36:03,642 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2021-11-23 13:36:03,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2021-11-23 13:36:03,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2021-11-23 13:36:03,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2021-11-23 13:36:03,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2021-11-23 13:36:03,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2021-11-23 13:36:03,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2021-11-23 13:36:03,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2021-11-23 13:36:03,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:36:03,651 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 13:36:03,653 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:36:03,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:36:03 BoogieIcfgContainer [2021-11-23 13:36:03,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:36:03,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:36:03,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:36:03,699 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:36:03,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:02" (3/4) ... [2021-11-23 13:36:03,703 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:36:03,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:36:03,704 INFO L158 Benchmark]: Toolchain (without parser) took 2235.35ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 76.4MB in the beginning and 83.3MB in the end (delta: -6.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-23 13:36:03,710 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 60.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:36:03,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.83ms. Allocated memory is still 104.9MB. Free memory was 76.4MB in the beginning and 69.7MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:36:03,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.09ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 64.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 13:36:03,712 INFO L158 Benchmark]: Boogie Preprocessor took 80.50ms. Allocated memory is still 104.9MB. Free memory was 64.3MB in the beginning and 60.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:36:03,712 INFO L158 Benchmark]: RCFGBuilder took 726.06ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 60.1MB in the beginning and 86.7MB in the end (delta: -26.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-23 13:36:03,716 INFO L158 Benchmark]: TraceAbstraction took 827.69ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 83.3MB in the end (delta: 2.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-23 13:36:03,717 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 125.8MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:36:03,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 60.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.83ms. Allocated memory is still 104.9MB. Free memory was 76.4MB in the beginning and 69.7MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.09ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 64.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.50ms. Allocated memory is still 104.9MB. Free memory was 64.3MB in the beginning and 60.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 726.06ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 60.1MB in the beginning and 86.7MB in the end (delta: -26.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 827.69ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 83.3MB in the end (delta: 2.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 125.8MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 122, overapproximation of someUnaryDOUBLEoperation at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of to_real at line 123. Possible FailurePath: [L21-L113] const double T[362] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0, 0 }; VAL [T={4:0}] [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not(a >= -1e10 && a <= 1e10) [L16] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, T={4:0}] [L155] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) [L157] CALL SIN(a) [L146] COND FALSE !(x<0) [L147] CALL SIN_POS(x) [L140] COND TRUE x>180 [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) [L134] COND FALSE !(x<0) [L135] CALL SIN_0_180(x) [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i [L125] CALL __VERIFIER_assert(i >= 0 && i+1 < sizeof(T)/sizeof(T[0])) [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, T={4:0}] [L18] reach_error() VAL [\old(cond)=0, cond=0, T={4:0}] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2021-11-23 13:36:03,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/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_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G --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 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:36:06,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:36:06,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:36:06,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:36:06,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:36:06,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:36:06,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:36:06,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:36:06,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:36:06,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:36:06,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:36:06,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:36:06,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:36:06,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:36:06,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:36:06,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:36:06,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:36:06,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:36:06,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:36:06,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:36:06,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:36:06,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:36:06,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:36:06,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:36:06,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:36:06,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:36:06,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:36:06,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:36:06,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:36:06,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:36:06,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:36:06,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:36:06,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:36:06,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:36:06,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:36:06,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:36:06,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:36:06,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:36:06,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:36:06,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:36:06,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:36:06,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-23 13:36:06,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:36:06,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:36:06,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:36:06,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:36:06,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:36:06,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:36:06,532 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:36:06,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:36:06,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:36:06,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:36:06,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:36:06,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:36:06,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:36:06,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:36:06,534 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 13:36:06,534 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 13:36:06,534 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 13:36:06,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:36:06,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:36:06,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:36:06,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:36:06,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:36:06,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:36:06,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:36:06,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:36:06,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:36:06,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:36:06,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:36:06,537 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 13:36:06,537 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 13:36:06,537 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:36:06,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:36:06,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:36:06,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:36:06,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 13:36:06,539 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_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2021-11-23 13:36:06,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:36:06,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:36:06,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:36:06,934 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:36:06,935 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:36:06,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-11-23 13:36:07,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/b913ba72f/1c4f12ca41134ac5aea797d286e80cec/FLAG1347f4504 [2021-11-23 13:36:07,633 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:36:07,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-11-23 13:36:07,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/b913ba72f/1c4f12ca41134ac5aea797d286e80cec/FLAG1347f4504 [2021-11-23 13:36:07,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/data/b913ba72f/1c4f12ca41134ac5aea797d286e80cec [2021-11-23 13:36:07,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:36:07,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:36:07,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:07,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:36:07,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:36:07,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:07" (1/1) ... [2021-11-23 13:36:07,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fea1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:07, skipping insertion in model container [2021-11-23 13:36:07,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:07" (1/1) ... [2021-11-23 13:36:07,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:36:08,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:36:08,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2021-11-23 13:36:08,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:08,338 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:36:08,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2021-11-23 13:36:08,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:08,470 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:36:08,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08 WrapperNode [2021-11-23 13:36:08,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:08,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:36:08,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:36:08,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:36:08,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,577 INFO L137 Inliner]: procedures = 22, calls = 381, calls flagged for inlining = 11, calls inlined = 26, statements flattened = 650 [2021-11-23 13:36:08,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:36:08,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:36:08,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:36:08,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:36:08,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:36:08,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:36:08,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:36:08,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:36:08,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (1/1) ... [2021-11-23 13:36:08,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:36:08,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:36:08,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:36:08,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:36:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:36:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 13:36:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 13:36:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-23 13:36:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:36:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:36:08,926 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:36:08,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:36:35,009 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:36:35,017 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:36:35,017 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:36:35,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:35 BoogieIcfgContainer [2021-11-23 13:36:35,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:36:35,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:36:35,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:36:35,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:36:35,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:36:07" (1/3) ... [2021-11-23 13:36:35,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cfdfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:36:35, skipping insertion in model container [2021-11-23 13:36:35,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:08" (2/3) ... [2021-11-23 13:36:35,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cfdfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:36:35, skipping insertion in model container [2021-11-23 13:36:35,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:35" (3/3) ... [2021-11-23 13:36:35,028 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2021-11-23 13:36:35,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:36:35,041 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 13:36:35,108 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:36:35,115 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 [2021-11-23 13:36:35,115 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 13:36:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 60 states have internal predecessors, (76), 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) [2021-11-23 13:36:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:36:35,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:36:35,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:36:35,154 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-23 13:36:35,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:36:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash -522511804, now seen corresponding path program 1 times [2021-11-23 13:36:35,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:36:35,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733811076] [2021-11-23 13:36:35,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:36:35,180 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:36:35,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:36:35,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:36:35,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 13:36:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:36:38,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 13:36:38,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:36:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:36:38,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:36:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:36:38,434 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:36:38,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733811076] [2021-11-23 13:36:38,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733811076] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:36:38,435 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:36:38,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 13:36:38,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226352270] [2021-11-23 13:36:38,438 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:36:38,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:36:38,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:36:38,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:36:38,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:36:38,486 INFO L87 Difference]: Start difference. First operand has 61 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 60 states have internal predecessors, (76), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-23 13:36:38,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:36:38,517 INFO L93 Difference]: Finished difference Result 119 states and 148 transitions. [2021-11-23 13:36:38,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:36:38,519 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-23 13:36:38,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:36:38,527 INFO L225 Difference]: With dead ends: 119 [2021-11-23 13:36:38,527 INFO L226 Difference]: Without dead ends: 35 [2021-11-23 13:36:38,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:36:38,537 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:36:38,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:36:38,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-23 13:36:38,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-23 13:36:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 34 states have internal predecessors, (34), 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) [2021-11-23 13:36:38,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2021-11-23 13:36:38,569 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2021-11-23 13:36:38,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:36:38,569 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2021-11-23 13:36:38,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-23 13:36:38,569 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2021-11-23 13:36:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 13:36:38,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:36:38,570 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:36:38,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-23 13:36:38,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:36:38,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-23 13:36:38,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:36:38,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1252495558, now seen corresponding path program 1 times [2021-11-23 13:36:38,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:36:38,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002674181] [2021-11-23 13:36:38,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:36:38,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:36:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:36:38,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:36:38,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910c136a-3d1f-43e9-b4bf-8a4b165b131c/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 13:43:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:43:32,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 13:43:32,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:43:50,009 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_SIN_POS_~x#1| (_ FloatingPoint 11 53))) (and (= |c_ULTIMATE.start_SIN_180_~x#1| (fp.sub c_currentRoundingMode |ULTIMATE.start_SIN_POS_~x#1| (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse0))))))) (fp.gt |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.leq |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 10000000000.0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-23 13:43:52,115 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_SIN_POS_~x#1| (_ FloatingPoint 11 53))) (and (= |c_ULTIMATE.start_SIN_180_~x#1| (fp.sub c_currentRoundingMode |ULTIMATE.start_SIN_POS_~x#1| (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse0))))))) (fp.gt |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.leq |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 10000000000.0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-23 13:46:09,868 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_SIN_POS_~x#1| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse4)))))))) (and (not (fp.lt .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0)) (let ((.cse3 ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse0)))) (let ((.cse1 (bvult (bvadd .cse3 (_ bv1 32)) (_ bv362 32))) (.cse2 (bvsge .cse3 (_ bv0 32)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2) (and (or (not .cse1) (not .cse2)) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))))) (fp.gt |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) is different from false [2021-11-23 13:46:11,998 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_SIN_POS_~x#1| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse4)))))))) (and (not (fp.lt .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0)) (let ((.cse3 ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse0)))) (let ((.cse1 (bvult (bvadd .cse3 (_ bv1 32)) (_ bv362 32))) (.cse2 (bvsge .cse3 (_ bv0 32)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2) (and (or (not .cse1) (not .cse2)) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))))) (fp.gt |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) is different from true [2021-11-23 13:47:22,580 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_SIN_POS_~x#1| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse2)))))))) (and (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse1)))) (or (not (bvult (bvadd .cse0 (_ bv1 32)) (_ bv362 32))) (not (bvsge .cse0 (_ bv0 32))))) (not (fp.lt .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0)) (fp.gt |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) is different from false [2021-11-23 13:47:24,717 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_SIN_POS_~x#1| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse2)))))))) (and (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse1)))) (or (not (bvult (bvadd .cse0 (_ bv1 32)) (_ bv362 32))) (not (bvsge .cse0 (_ bv0 32))))) (not (fp.lt .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0)) (fp.gt |ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) is different from true [2021-11-23 13:47:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:24,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:47:39,871 WARN L227 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 13:48:01,187 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_SIN_POS_~x#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse1)))) (and (bvult (bvadd .cse0 (_ bv1 32)) (_ bv362 32)) (bvsge .cse0 (_ bv0 32)))) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from false [2021-11-23 13:48:03,385 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_SIN_POS_~x#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_SIN_POS_~x#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse1)))) (and (bvult (bvadd .cse0 (_ bv1 32)) (_ bv362 32)) (bvsge .cse0 (_ bv0 32)))) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from true [2021-11-23 13:48:24,775 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_SIN_~x#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_SIN_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_SIN_~x#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse1)))) (and (bvsge .cse0 (_ bv0 32)) (bvult (bvadd (_ bv1 32) .cse0) (_ bv362 32)))) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from false [2021-11-23 13:48:26,974 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_SIN_~x#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_SIN_~x#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_SIN_~x#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse1)))) (and (bvsge .cse0 (_ bv0 32)) (bvult (bvadd (_ bv1 32) .cse0) (_ bv362 32)))) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from true [2021-11-23 13:48:48,341 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (fp.lt .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (let ((.cse1 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse0)))) (and (bvult (bvadd (_ bv1 32) .cse1) (_ bv362 32)) (bvsge .cse1 (_ bv0 32)))))) is different from false [2021-11-23 13:48:50,535 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (fp.lt .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (let ((.cse1 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse0)))) (and (bvult (bvadd (_ bv1 32) .cse1) (_ bv362 32)) (bvsge .cse1 (_ bv0 32)))))) is different from true [2021-11-23 13:49:16,935 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (fp.lt .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (let ((.cse1 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse0)))) (and (bvult (bvadd (_ bv1 32) .cse1) (_ bv362 32)) (bvsge .cse1 (_ bv0 32)))))) is different from false [2021-11-23 13:49:19,134 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.gt |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (fp.lt .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (let ((.cse1 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse0)))) (and (bvult (bvadd (_ bv1 32) .cse1) (_ bv362 32)) (bvsge .cse1 (_ bv0 32)))))) is different from true [2021-11-23 13:50:32,412 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~a~0#1_5| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_5| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.leq |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode 10000000000.0))) (not (fp.gt |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse1)))) (and (bvsge .cse0 (_ bv0 32)) (bvult (bvadd .cse0 (_ bv1 32)) (_ bv362 32)))) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from false [2021-11-23 13:50:34,606 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~a~0#1_5| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_5| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.leq |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode 10000000000.0))) (not (fp.gt |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse1)))) (and (bvsge .cse0 (_ bv0 32)) (bvult (bvadd .cse0 (_ bv1 32)) (_ bv362 32)))) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from true [2021-11-23 13:50:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:50:34,607 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:50:34,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002674181] [2021-11-23 13:50:34,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002674181] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:50:34,608 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:50:34,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 16 [2021-11-23 13:50:34,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206473851] [2021-11-23 13:50:34,609 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:50:34,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-23 13:50:34,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:50:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-23 13:50:34,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=53, Unknown=16, NotChecked=168, Total=272 [2021-11-23 13:50:34,614 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand has 17 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 16 states have internal predecessors, (18), 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) [2021-11-23 13:50:37,606 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~a~0#1_5| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_5| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse2)))))))) (or (not (fp.leq |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode 10000000000.0))) (not (fp.gt |v_ULTIMATE.start_main_~a~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (let ((.cse0 ((_ fp.to_sbv 32) roundTowardZero (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) .cse1)))) (and (bvsge .cse0 (_ bv0 32)) (bvult (bvadd .cse0 (_ bv1 32)) (_ bv362 32)))) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false