./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3e5ce664 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 bb50b7c19c9d21598c287653a966a53d9b3d656b .......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 bb50b7c19c9d21598c287653a966a53d9b3d656b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-3e5ce66 [2020-12-02 21:21:04,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:21:04,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:21:04,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:21:04,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:21:05,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:21:05,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:21:05,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:21:05,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:21:05,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:21:05,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:21:05,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:21:05,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:21:05,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:21:05,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:21:05,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:21:05,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:21:05,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:21:05,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:21:05,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:21:05,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:21:05,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:21:05,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:21:05,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:21:05,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:21:05,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:21:05,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:21:05,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:21:05,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:21:05,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:21:05,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:21:05,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:21:05,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:21:05,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:21:05,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:21:05,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:21:05,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:21:05,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:21:05,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:21:05,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:21:05,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:21:05,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 21:21:05,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:21:05,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:21:05,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:21:05,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:21:05,166 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:21:05,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:21:05,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:21:05,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 21:21:05,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:21:05,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:21:05,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:21:05,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:21:05,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:21:05,170 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:21:05,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:21:05,170 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:21:05,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:21:05,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:21:05,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:21:05,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:21:05,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:21:05,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:21:05,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:21:05,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:21:05,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 21:21:05,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 21:21:05,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:21:05,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:21:05,175 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb50b7c19c9d21598c287653a966a53d9b3d656b [2020-12-02 21:21:05,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:21:05,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:21:05,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:21:05,680 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:21:05,681 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:21:05,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 21:21:05,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6d1c8b2/1a6ac88ecaf049f2ab1bb42f74062865/FLAG5a708a1c3 [2020-12-02 21:21:06,511 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:21:06,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 21:21:06,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6d1c8b2/1a6ac88ecaf049f2ab1bb42f74062865/FLAG5a708a1c3 [2020-12-02 21:21:06,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6d1c8b2/1a6ac88ecaf049f2ab1bb42f74062865 [2020-12-02 21:21:06,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:21:06,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:21:06,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:06,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:21:06,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:21:06,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:06" (1/1) ... [2020-12-02 21:21:06,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141aa7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:06, skipping insertion in model container [2020-12-02 21:21:06,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:06" (1/1) ... [2020-12-02 21:21:06,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:21:06,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:21:07,166 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c[6324,6337] [2020-12-02 21:21:07,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:07,182 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:21:07,246 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c[6324,6337] [2020-12-02 21:21:07,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:07,272 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:21:07,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07 WrapperNode [2020-12-02 21:21:07,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:07,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:07,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:21:07,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:21:07,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:07,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:21:07,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:21:07,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:21:07,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:21:07,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:21:07,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:21:07,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:21:07,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:21:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 21:21:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:21:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 21:21:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 21:21:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 21:21:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:21:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:21:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 21:21:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-02 21:21:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:21:08,672 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:21:08,673 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-12-02 21:21:08,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:08 BoogieIcfgContainer [2020-12-02 21:21:08,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:21:08,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:21:08,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:21:08,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:21:08,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:21:06" (1/3) ... [2020-12-02 21:21:08,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b93e24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:21:08, skipping insertion in model container [2020-12-02 21:21:08,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (2/3) ... [2020-12-02 21:21:08,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b93e24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:21:08, skipping insertion in model container [2020-12-02 21:21:08,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:08" (3/3) ... [2020-12-02 21:21:08,686 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2020-12-02 21:21:08,703 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:21:08,708 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:21:08,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:21:08,754 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:21:08,754 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:21:08,754 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:21:08,754 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:21:08,755 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:21:08,755 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:21:08,755 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:21:08,755 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:21:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-12-02 21:21:08,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:21:08,789 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:21:08,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:21:08,791 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:21:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:21:08,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2020-12-02 21:21:08,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:21:08,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474452653] [2020-12-02 21:21:08,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:21:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:21:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:21:09,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474452653] [2020-12-02 21:21:09,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:21:09,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 21:21:09,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019385623] [2020-12-02 21:21:09,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:21:09,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 21:21:09,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:21:09,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:21:09,066 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-12-02 21:21:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:21:09,133 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2020-12-02 21:21:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:21:09,135 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-12-02 21:21:09,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:21:09,148 INFO L225 Difference]: With dead ends: 232 [2020-12-02 21:21:09,149 INFO L226 Difference]: Without dead ends: 115 [2020-12-02 21:21:09,153 INFO L677 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 [2020-12-02 21:21:09,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-02 21:21:09,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-12-02 21:21:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-02 21:21:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2020-12-02 21:21:09,206 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2020-12-02 21:21:09,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:21:09,206 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2020-12-02 21:21:09,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:21:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2020-12-02 21:21:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 21:21:09,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:21:09,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:21:09,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 21:21:09,209 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:21:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:21:09,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2020-12-02 21:21:09,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:21:09,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970250098] [2020-12-02 21:21:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:21:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:21:09,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:21:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:21:09,412 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:21:09,455 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 21:21:09,455 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 21:21:09,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 21:21:09,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:21:09 BoogieIcfgContainer [2020-12-02 21:21:09,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:21:09,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:21:09,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:21:09,525 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:21:09,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:08" (3/4) ... [2020-12-02 21:21:09,531 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 21:21:09,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:21:09,535 INFO L168 Benchmark]: Toolchain (without parser) took 2705.92 ms. Allocated memory was 50.3 MB in the beginning and 75.5 MB in the end (delta: 25.2 MB). Free memory was 26.9 MB in the beginning and 40.5 MB in the end (delta: -13.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,537 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 50.3 MB. Free memory is still 32.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:21:09,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.49 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 25.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.67 ms. Allocated memory is still 50.3 MB. Free memory was 25.5 MB in the beginning and 22.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,543 INFO L168 Benchmark]: Boogie Preprocessor took 120.62 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 22.0 MB in the beginning and 43.8 MB in the end (delta: -21.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,545 INFO L168 Benchmark]: RCFGBuilder took 1180.10 ms. Allocated memory is still 62.9 MB. Free memory was 43.8 MB in the beginning and 28.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,547 INFO L168 Benchmark]: TraceAbstraction took 844.55 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 28.4 MB in the beginning and 40.5 MB in the end (delta: -12.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:21:09,548 INFO L168 Benchmark]: Witness Printer took 9.05 ms. Allocated memory is still 75.5 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:21:09,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 50.3 MB. Free memory is still 32.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.49 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 25.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.67 ms. Allocated memory is still 50.3 MB. Free memory was 25.5 MB in the beginning and 22.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 120.62 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 22.0 MB in the beginning and 43.8 MB in the end (delta: -21.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1180.10 ms. Allocated memory is still 62.9 MB. Free memory was 43.8 MB in the beginning and 28.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 844.55 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 28.4 MB in the beginning and 40.5 MB in the end (delta: -12.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 9.05 ms. Allocated memory is still 75.5 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 264]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 247. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] double x = __VERIFIER_nondet_double(); [L256] double y = __VERIFIER_nondet_double(); [L247] return x != x; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] isnan_double(x) || isnan_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] COND TRUE isnan_double(x) || isnan_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] double res = __ieee754_atan2(y, x); [L247] return x != x; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L263] COND TRUE !isnan_double(res) [L264] reach_error() VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 169 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-3e5ce66 [2020-12-02 21:21:12,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:21:12,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:21:12,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:21:12,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:21:12,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:21:12,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:21:12,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:21:12,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:21:12,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:21:12,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:21:12,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:21:12,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:21:12,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:21:12,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:21:12,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:21:12,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:21:12,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:21:12,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:21:12,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:21:12,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:21:12,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:21:12,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:21:12,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:21:12,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:21:12,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:21:12,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:21:12,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:21:12,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:21:12,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:21:12,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:21:12,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:21:12,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:21:12,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:21:12,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:21:12,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:21:12,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:21:12,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:21:12,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:21:12,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:21:12,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:21:12,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 21:21:12,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:21:12,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:21:12,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:21:12,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:21:12,399 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:21:12,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:21:12,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:21:12,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:21:12,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:21:12,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:21:12,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:21:12,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:21:12,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 21:21:12,403 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 21:21:12,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:21:12,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:21:12,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:21:12,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:21:12,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:21:12,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:21:12,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:21:12,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:21:12,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:21:12,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:21:12,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:21:12,406 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 21:21:12,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-02 21:21:12,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:21:12,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:21:12,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 21:21:12,407 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb50b7c19c9d21598c287653a966a53d9b3d656b [2020-12-02 21:21:12,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:21:12,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:21:12,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:21:12,884 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:21:12,885 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:21:12,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 21:21:12,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca7a95b48/49d068d4a84843f4a5e16191cc295cd2/FLAGd15707f19 [2020-12-02 21:21:13,760 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:21:13,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 21:21:13,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca7a95b48/49d068d4a84843f4a5e16191cc295cd2/FLAGd15707f19 [2020-12-02 21:21:14,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca7a95b48/49d068d4a84843f4a5e16191cc295cd2 [2020-12-02 21:21:14,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:21:14,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:21:14,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:14,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:21:14,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:21:14,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9a3cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14, skipping insertion in model container [2020-12-02 21:21:14,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:21:14,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:21:14,452 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c[6324,6337] [2020-12-02 21:21:14,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:14,474 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:21:14,560 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c[6324,6337] [2020-12-02 21:21:14,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:14,620 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:21:14,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14 WrapperNode [2020-12-02 21:21:14,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:14,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:14,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:21:14,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:21:14,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:14,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:21:14,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:21:14,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:21:14,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:21:14,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:21:14,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:21:14,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:21:14,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:21:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 21:21:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 21:21:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 21:21:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:21:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 21:21:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 21:21:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:21:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:21:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 21:21:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:22:09,239 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:22:09,239 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-12-02 21:22:09,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:09 BoogieIcfgContainer [2020-12-02 21:22:09,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:22:09,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:22:09,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:22:09,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:22:09,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:21:14" (1/3) ... [2020-12-02 21:22:09,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bee0de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:22:09, skipping insertion in model container [2020-12-02 21:22:09,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (2/3) ... [2020-12-02 21:22:09,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bee0de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:22:09, skipping insertion in model container [2020-12-02 21:22:09,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:09" (3/3) ... [2020-12-02 21:22:09,253 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2020-12-02 21:22:09,273 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:22:09,278 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:22:09,293 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:22:09,323 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:22:09,324 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:22:09,324 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:22:09,324 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:22:09,325 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:22:09,325 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:22:09,325 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:22:09,325 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:22:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-12-02 21:22:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:22:09,351 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:22:09,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:22:09,352 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:22:09,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:22:09,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2020-12-02 21:22:09,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:22:09,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324113387] [2020-12-02 21:22:09,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 21:22:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:22:09,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 21:22:09,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:22:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:22:09,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:22:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:22:09,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324113387] [2020-12-02 21:22:09,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:22:09,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 21:22:09,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633553945] [2020-12-02 21:22:09,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:22:09,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:22:10,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:22:10,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:22:10,005 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-12-02 21:22:10,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:22:10,041 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2020-12-02 21:22:10,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:22:10,042 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-12-02 21:22:10,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:22:10,055 INFO L225 Difference]: With dead ends: 232 [2020-12-02 21:22:10,055 INFO L226 Difference]: Without dead ends: 115 [2020-12-02 21:22:10,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:22:10,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-02 21:22:10,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-12-02 21:22:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-02 21:22:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2020-12-02 21:22:10,108 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2020-12-02 21:22:10,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:22:10,116 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2020-12-02 21:22:10,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:22:10,116 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2020-12-02 21:22:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 21:22:10,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:22:10,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:22:10,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 21:22:10,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:22:10,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:22:10,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2020-12-02 21:22:10,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:22:10,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118397410] [2020-12-02 21:22:10,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 21:22:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:22:10,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 21:22:10,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:22:11,865 WARN L197 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:22:11,890 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 21:22:11,891 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:22:13,020 WARN L197 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-02 21:22:13,619 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:22:14,315 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:22:15,757 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:22:15,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:22:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:22:18,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:22:28,456 WARN L197 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:22:36,952 WARN L197 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:22:43,457 WARN L197 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:22:50,091 WARN L197 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:22:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:22:50,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118397410] [2020-12-02 21:22:50,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:22:50,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-12-02 21:22:50,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592634745] [2020-12-02 21:22:50,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-02 21:22:50,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:22:50,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-02 21:22:50,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-12-02 21:22:50,230 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 17 states. [2020-12-02 21:22:56,502 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 21:22:58,957 WARN L197 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2020-12-02 21:23:01,929 WARN L197 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2020-12-02 21:23:11,236 WARN L197 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2020-12-02 21:23:22,438 WARN L197 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2020-12-02 21:23:39,241 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:25:49,858 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:27:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:27:43,411 INFO L93 Difference]: Finished difference Result 218 states and 303 transitions. [2020-12-02 21:27:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-02 21:27:43,647 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-12-02 21:27:43,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:27:43,650 INFO L225 Difference]: With dead ends: 218 [2020-12-02 21:27:43,650 INFO L226 Difference]: Without dead ends: 213 [2020-12-02 21:27:43,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 57.0s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-12-02 21:27:43,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-12-02 21:27:43,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 123. [2020-12-02 21:27:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-02 21:27:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2020-12-02 21:27:43,681 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 16 [2020-12-02 21:27:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:27:43,682 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2020-12-02 21:27:43,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-02 21:27:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2020-12-02 21:27:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 21:27:43,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:27:43,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:27:43,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 21:27:43,898 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:27:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:27:43,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2144381910, now seen corresponding path program 1 times [2020-12-02 21:27:43,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:27:43,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859773934] [2020-12-02 21:27:43,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 21:27:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:27:44,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 21:27:44,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:27:45,101 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:27:45,107 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 21:27:45,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:27:45,903 WARN L197 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-02 21:27:46,288 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:27:47,841 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:27:47,848 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:27:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:27:49,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:27:57,260 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:28:02,322 WARN L197 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:28:09,901 WARN L197 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:28:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:28:10,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859773934] [2020-12-02 21:28:10,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:28:10,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-12-02 21:28:10,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406132304] [2020-12-02 21:28:10,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-02 21:28:10,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:28:10,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-02 21:28:10,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-12-02 21:28:10,026 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand 15 states. [2020-12-02 21:28:17,959 WARN L197 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 21:28:22,786 WARN L197 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 21:28:24,986 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2020-12-02 21:28:31,408 WARN L197 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2020-12-02 21:28:35,510 WARN L197 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 35 DAG size of output: 18 [2020-12-02 21:28:48,820 WARN L197 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 19 [2020-12-02 21:29:32,973 WARN L197 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 21:29:38,376 WARN L197 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 21:32:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:32:49,652 INFO L93 Difference]: Finished difference Result 222 states and 306 transitions. [2020-12-02 21:32:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-02 21:32:49,914 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2020-12-02 21:32:49,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:32:49,917 INFO L225 Difference]: With dead ends: 222 [2020-12-02 21:32:49,917 INFO L226 Difference]: Without dead ends: 217 [2020-12-02 21:32:49,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 56.8s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2020-12-02 21:32:49,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-12-02 21:32:49,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 128. [2020-12-02 21:32:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-02 21:32:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2020-12-02 21:32:49,948 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 17 [2020-12-02 21:32:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:32:49,950 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2020-12-02 21:32:49,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-02 21:32:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2020-12-02 21:32:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-02 21:32:49,952 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:32:49,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:32:50,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 21:32:50,162 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:32:50,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:32:50,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1759093575, now seen corresponding path program 1 times [2020-12-02 21:32:50,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:32:50,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548607915] [2020-12-02 21:32:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 21:32:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:32:50,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-02 21:32:50,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:32:51,212 WARN L197 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:32:51,218 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 21:32:51,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:32:51,949 WARN L197 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:32:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:32:53,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:32:54,809 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:32:55,918 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 21:32:57,333 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 21:32:58,623 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 21:32:59,436 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 21:33:00,387 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 21:33:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:33:00,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548607915] [2020-12-02 21:33:00,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:33:00,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-12-02 21:33:00,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395526146] [2020-12-02 21:33:00,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 21:33:00,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:33:00,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 21:33:00,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-12-02 21:33:00,454 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 14 states. [2020-12-02 21:33:02,268 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 21:33:03,839 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 17 DAG size of output: 8 [2020-12-02 21:33:05,863 WARN L197 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2020-12-02 21:33:07,285 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-12-02 21:33:09,256 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-02 21:33:10,882 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 21:33:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:33:15,667 INFO L93 Difference]: Finished difference Result 224 states and 312 transitions. [2020-12-02 21:33:15,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-02 21:33:15,669 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-12-02 21:33:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:33:15,672 INFO L225 Difference]: With dead ends: 224 [2020-12-02 21:33:15,672 INFO L226 Difference]: Without dead ends: 191 [2020-12-02 21:33:15,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-12-02 21:33:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-12-02 21:33:15,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 132. [2020-12-02 21:33:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-12-02 21:33:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-12-02 21:33:15,705 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 21 [2020-12-02 21:33:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:33:15,706 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-12-02 21:33:15,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 21:33:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-12-02 21:33:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-02 21:33:15,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:33:15,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:33:15,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 21:33:15,925 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:33:15,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:33:15,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1210389367, now seen corresponding path program 1 times [2020-12-02 21:33:15,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:33:15,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216497279] [2020-12-02 21:33:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 21:33:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:33:16,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 21:33:16,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:33:17,024 WARN L197 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:33:17,028 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 21:33:17,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:33:17,790 WARN L197 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:33:18,610 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-02 21:33:18,689 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:33:18,757 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:18,758 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:33:19,011 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 21:33:19,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:19,013 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:33:19,013 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2020-12-02 21:33:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:33:20,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:33:23,269 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2020-12-02 21:33:23,368 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:33:23,459 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:23,460 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:33:23,737 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 21:33:23,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:23,738 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:33:23,739 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:48, output treesize:26 [2020-12-02 21:33:25,045 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-02 21:33:25,847 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:33:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:33:25,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216497279] [2020-12-02 21:33:25,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:33:25,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2020-12-02 21:33:25,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950094258] [2020-12-02 21:33:25,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 21:33:25,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:33:25,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 21:33:25,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=104, Unknown=1, NotChecked=0, Total=132 [2020-12-02 21:33:25,906 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 12 states. [2020-12-02 21:33:28,357 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 21:33:30,192 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 17 DAG size of output: 8 [2020-12-02 21:33:31,995 WARN L197 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2020-12-02 21:33:33,545 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-02 21:33:35,328 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-12-02 21:33:44,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:33:44,017 INFO L93 Difference]: Finished difference Result 197 states and 277 transitions. [2020-12-02 21:33:44,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 21:33:44,018 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2020-12-02 21:33:44,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:33:44,019 INFO L225 Difference]: With dead ends: 197 [2020-12-02 21:33:44,019 INFO L226 Difference]: Without dead ends: 115 [2020-12-02 21:33:44,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=71, Invalid=200, Unknown=1, NotChecked=0, Total=272 [2020-12-02 21:33:44,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-02 21:33:44,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-12-02 21:33:44,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-02 21:33:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-12-02 21:33:44,027 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 21 [2020-12-02 21:33:44,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:33:44,028 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-12-02 21:33:44,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 21:33:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-12-02 21:33:44,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-02 21:33:44,029 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:33:44,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:33:44,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 21:33:44,244 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:33:44,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:33:44,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1508066396, now seen corresponding path program 1 times [2020-12-02 21:33:44,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:33:44,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899315902] [2020-12-02 21:33:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-02 21:33:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:33:44,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 21:33:44,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:33:45,449 WARN L197 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:33:45,453 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 21:33:45,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:33:46,208 WARN L197 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:33:46,579 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-02 21:33:46,646 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:33:46,709 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:46,710 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:33:47,000 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 21:33:47,001 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:47,002 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:33:47,003 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2020-12-02 21:33:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:33:47,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:33:51,092 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2020-12-02 21:33:51,185 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:33:51,259 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:51,260 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:33:51,485 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 21:33:51,486 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:33:51,488 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:33:51,488 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:48, output treesize:26 [2020-12-02 21:33:52,519 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-02 21:33:53,269 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:33:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:33:53,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899315902] [2020-12-02 21:33:53,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:33:53,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-12-02 21:33:53,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813474332] [2020-12-02 21:33:53,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 21:33:53,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:33:53,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 21:33:53,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2020-12-02 21:33:53,331 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 11 states. [2020-12-02 21:33:54,853 WARN L197 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:33:56,564 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 21:33:58,486 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 21:34:00,288 WARN L197 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 21:34:01,664 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 39 [2020-12-02 21:34:01,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:34:01,666 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2020-12-02 21:34:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 21:34:01,666 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2020-12-02 21:34:01,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:34:01,666 INFO L225 Difference]: With dead ends: 115 [2020-12-02 21:34:01,666 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 21:34:01,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=65, Invalid=174, Unknown=1, NotChecked=0, Total=240 [2020-12-02 21:34:01,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 21:34:01,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 21:34:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 21:34:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 21:34:01,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-12-02 21:34:01,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:34:01,670 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 21:34:01,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 21:34:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 21:34:01,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 21:34:01,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-02 21:34:01,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 21:34:06,676 WARN L197 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-12-02 21:34:10,004 WARN L197 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 21:34:11,041 WARN L197 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 21:34:13,797 WARN L197 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 21:34:17,819 WARN L197 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-12-02 21:34:18,627 WARN L197 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:34:18,663 INFO L262 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-12-02 21:34:18,664 INFO L262 CegarLoopResult]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:34:18,664 INFO L258 CegarLoopResult]: At program point L70-2(lines 70 74) the Hoare annotation is: false [2020-12-02 21:34:18,664 INFO L262 CegarLoopResult]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:34:18,664 INFO L262 CegarLoopResult]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:34:18,664 INFO L258 CegarLoopResult]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2020-12-02 21:34:18,664 INFO L262 CegarLoopResult]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:34:18,664 INFO L265 CegarLoopResult]: At program point L269(lines 249 270) the Hoare annotation is: true [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L172-2(line 172) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-12-02 21:34:18,665 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-02 21:34:18,666 INFO L262 CegarLoopResult]: For program point L107(lines 107 113) no Hoare annotation was computed. [2020-12-02 21:34:18,666 INFO L262 CegarLoopResult]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:34:18,666 INFO L262 CegarLoopResult]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2020-12-02 21:34:18,666 INFO L262 CegarLoopResult]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:34:18,666 INFO L262 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-12-02 21:34:18,666 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-02 21:34:18,666 INFO L262 CegarLoopResult]: For program point L76(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:34:18,667 INFO L262 CegarLoopResult]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:34:18,667 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-12-02 21:34:18,667 INFO L258 CegarLoopResult]: At program point L144(lines 144 244) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2_#res| |ULTIMATE.start___ieee754_atan2_#res|)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) .cse1) (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (= |ULTIMATE.start___ieee754_atan2_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x))))))) [2020-12-02 21:34:18,667 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-12-02 21:34:18,667 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-12-02 21:34:18,667 INFO L262 CegarLoopResult]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:34:18,667 INFO L262 CegarLoopResult]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2020-12-02 21:34:18,667 INFO L258 CegarLoopResult]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2020-12-02 21:34:18,668 INFO L262 CegarLoopResult]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:34:18,668 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-02 21:34:18,668 INFO L262 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-12-02 21:34:18,668 INFO L258 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_double_#res|)) (and (not .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))))) [2020-12-02 21:34:18,668 INFO L258 CegarLoopResult]: At program point L247-1(line 247) the Hoare annotation is: (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (let ((.cse1 (not .cse0)) (.cse3 (not |ULTIMATE.start_main_#t~short49|))) (and (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_double_#res|)) (and .cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) (let ((.cse2 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and |ULTIMATE.start_main_#t~short49| (not .cse2)) (and .cse3 .cse2))) (= currentRoundingMode roundNearestTiesToEven) (or .cse1 .cse3)))) [2020-12-02 21:34:18,668 INFO L258 CegarLoopResult]: At program point L247-2(line 247) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2_#res| |ULTIMATE.start___ieee754_atan2_#res|)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) .cse1) (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (= |ULTIMATE.start___ieee754_atan2_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x))))))) [2020-12-02 21:34:18,668 INFO L262 CegarLoopResult]: For program point L215(lines 215 220) no Hoare annotation was computed. [2020-12-02 21:34:18,668 INFO L262 CegarLoopResult]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2020-12-02 21:34:18,668 INFO L258 CegarLoopResult]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1) (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) .cse1))) [2020-12-02 21:34:18,668 INFO L262 CegarLoopResult]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L183-2(line 183) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L217(lines 217 220) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L185(lines 185 209) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L186(lines 186 208) no Hoare annotation was computed. [2020-12-02 21:34:18,669 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-02 21:34:18,670 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-02 21:34:18,670 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-02 21:34:18,670 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-02 21:34:18,670 INFO L262 CegarLoopResult]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2020-12-02 21:34:18,670 INFO L258 CegarLoopResult]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2020-12-02 21:34:18,670 INFO L262 CegarLoopResult]: For program point L187(lines 187 196) no Hoare annotation was computed. [2020-12-02 21:34:18,671 INFO L262 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-12-02 21:34:18,671 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-02 21:34:18,671 INFO L262 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-12-02 21:34:18,671 INFO L262 CegarLoopResult]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2020-12-02 21:34:18,671 INFO L258 CegarLoopResult]: At program point L156-2(lines 156 161) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) .cse1) (and .cse0 (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64))) (and (not (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))) (fp.eq .cse2 .cse2))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|) ULTIMATE.start___ieee754_atan2_~lx~0) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) ULTIMATE.start___ieee754_atan2_~hx~1))) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64))) (and (not (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))) (fp.eq .cse3 .cse3))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|) ULTIMATE.start___ieee754_atan2_~lx~0) (= ULTIMATE.start___ieee754_atan2_~ix~1 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|))))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2020-12-02 21:34:18,671 INFO L262 CegarLoopResult]: For program point L90(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:34:18,671 INFO L262 CegarLoopResult]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2020-12-02 21:34:18,672 INFO L262 CegarLoopResult]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:34:18,672 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 21:34:18,672 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-02 21:34:18,672 INFO L262 CegarLoopResult]: For program point L91(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:34:18,672 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:34:18,672 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:34:18,673 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:34:18,673 INFO L262 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-12-02 21:34:18,673 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-12-02 21:34:18,673 INFO L262 CegarLoopResult]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2020-12-02 21:34:18,673 INFO L262 CegarLoopResult]: For program point L26(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:34:18,673 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2020-12-02 21:34:18,674 INFO L262 CegarLoopResult]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:34:18,674 INFO L262 CegarLoopResult]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:34:18,674 INFO L262 CegarLoopResult]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2020-12-02 21:34:18,674 INFO L262 CegarLoopResult]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:34:18,674 INFO L262 CegarLoopResult]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:34:18,674 INFO L262 CegarLoopResult]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2020-12-02 21:34:18,675 INFO L262 CegarLoopResult]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:34:18,675 INFO L262 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-12-02 21:34:18,675 INFO L262 CegarLoopResult]: For program point L258-2(lines 258 267) no Hoare annotation was computed. [2020-12-02 21:34:18,675 INFO L262 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-12-02 21:34:18,675 INFO L262 CegarLoopResult]: For program point L258-4(lines 258 267) no Hoare annotation was computed. [2020-12-02 21:34:18,675 INFO L262 CegarLoopResult]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L258 CegarLoopResult]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L128(lines 128 133) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L163(lines 163 165) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L263(lines 263 266) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L98(lines 98 114) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2020-12-02 21:34:18,676 INFO L258 CegarLoopResult]: At program point L32(lines 19 33) the Hoare annotation is: false [2020-12-02 21:34:18,676 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L258 CegarLoopResult]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2020-12-02 21:34:18,677 INFO L258 CegarLoopResult]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 264) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L231(lines 231 236) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L198(lines 198 207) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L99(lines 99 105) no Hoare annotation was computed. [2020-12-02 21:34:18,677 INFO L262 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-12-02 21:34:18,678 INFO L258 CegarLoopResult]: At program point L132-3(lines 66 134) the Hoare annotation is: false [2020-12-02 21:34:18,678 INFO L262 CegarLoopResult]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2020-12-02 21:34:18,678 INFO L262 CegarLoopResult]: For program point L132-4(line 132) no Hoare annotation was computed. [2020-12-02 21:34:18,678 INFO L262 CegarLoopResult]: For program point L132-6(line 132) no Hoare annotation was computed. [2020-12-02 21:34:18,678 INFO L258 CegarLoopResult]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2020-12-02 21:34:18,678 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-02 21:34:18,678 INFO L262 CegarLoopResult]: For program point L166(lines 166 167) no Hoare annotation was computed. [2020-12-02 21:34:18,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:18,706 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,706 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,706 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:18,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:18,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:18,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:18,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:18,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,734 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:18,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:34:18 BoogieIcfgContainer [2020-12-02 21:34:18,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:34:18,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:34:18,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:34:18,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:34:18,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:09" (3/4) ... [2020-12-02 21:34:18,755 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 21:34:18,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-02 21:34:18,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-02 21:34:18,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:34:18,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:34:18,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((~fp.eq~DOUBLE(x, x) && 0bv32 == \result) || (!~fp.eq~DOUBLE(x, x) && 1bv32 == \result)) [2020-12-02 21:34:18,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.eq~DOUBLE(y, y) && 0bv32 == \result) || (!~fp.eq~DOUBLE(y, y) && 1bv32 == \result)) && ((aux-isnan_double(x) || isnan_double(y)-aux && !~fp.eq~DOUBLE(x, x)) || (!aux-isnan_double(x) || isnan_double(y)-aux && ~fp.eq~DOUBLE(x, x)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (!~fp.eq~DOUBLE(y, y) || !aux-isnan_double(x) || isnan_double(y)-aux) [2020-12-02 21:34:18,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~DOUBLE(x, x)) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) || (((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) [2020-12-02 21:34:18,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) || (((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (!~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])) && v_skolemized_q#valueAsBitvector_32[31:0] == lx) && v_skolemized_q#valueAsBitvector_32[63:32] == hx)) && !~fp.eq~DOUBLE(x, x)) && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (!~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])) && v_skolemized_q#valueAsBitvector_32[31:0] == lx) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_32[63:32]))) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) [2020-12-02 21:34:18,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(\result, \result)) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~DOUBLE(x, x)) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x))) [2020-12-02 21:34:18,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(\result, \result)) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~DOUBLE(x, x)) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x))) [2020-12-02 21:34:19,011 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 21:34:19,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:34:19,012 INFO L168 Benchmark]: Toolchain (without parser) took 784931.34 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 20.7 MB in the beginning and 40.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:34:19,013 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.0 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:34:19,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.94 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 37.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:34:19,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.50 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 33.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 21:34:19,014 INFO L168 Benchmark]: Boogie Preprocessor took 88.38 ms. Allocated memory is still 54.5 MB. Free memory was 33.4 MB in the beginning and 29.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:34:19,016 INFO L168 Benchmark]: RCFGBuilder took 54446.85 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 38.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:34:19,016 INFO L168 Benchmark]: TraceAbstraction took 729498.94 ms. Allocated memory is still 67.1 MB. Free memory was 38.3 MB in the beginning and 20.7 MB in the end (delta: 17.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:34:19,017 INFO L168 Benchmark]: Witness Printer took 267.27 ms. Allocated memory is still 67.1 MB. Free memory was 20.7 MB in the beginning and 40.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:34:19,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.0 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.94 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 37.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.50 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 33.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.38 ms. Allocated memory is still 54.5 MB. Free memory was 33.4 MB in the beginning and 29.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 54446.85 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 38.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 729498.94 ms. Allocated memory is still 67.1 MB. Free memory was 38.3 MB in the beginning and 20.7 MB in the end (delta: 17.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 267.27 ms. Allocated memory is still 67.1 MB. Free memory was 20.7 MB in the beginning and 40.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 264]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2020-12-02 21:34:19,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2020-12-02 21:34:19,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] Derived loop invariant: (((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) || (((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (!~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])) && v_skolemized_q#valueAsBitvector_32[31:0] == lx) && v_skolemized_q#valueAsBitvector_32[63:32] == hx)) && !~fp.eq~DOUBLE(x, x)) && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (!~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])) && v_skolemized_q#valueAsBitvector_32[31:0] == lx) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_32[63:32]))) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) - InvariantResult [Line: 144]: Loop Invariant [2020-12-02 21:34:19,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:19,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:19,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] Derived loop invariant: ((((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(\result, \result)) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~DOUBLE(x, x)) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x))) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant [2020-12-02 21:34:19,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~DOUBLE(x, x)) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) || (((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2020-12-02 21:34:19,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:19,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2020-12-02 21:34:19,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2020-12-02 21:34:19,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] Derived loop invariant: ((((!~fp.eq~DOUBLE(y, y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(\result, \result)) && !~fp.eq~DOUBLE(y, y)) && 1bv32 == \result) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~DOUBLE(x, x)) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2020-12-02 21:34:19,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.eq~DOUBLE(y, y) && 0bv32 == \result) || (!~fp.eq~DOUBLE(y, y) && 1bv32 == \result)) && ((aux-isnan_double(x) || isnan_double(y)-aux && !~fp.eq~DOUBLE(x, x)) || (!aux-isnan_double(x) || isnan_double(y)-aux && ~fp.eq~DOUBLE(x, x)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (!~fp.eq~DOUBLE(y, y) || !aux-isnan_double(x) || isnan_double(y)-aux) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2020-12-02 21:34:19,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:34:19,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((~fp.eq~DOUBLE(x, x) && 0bv32 == \result) || (!~fp.eq~DOUBLE(x, x) && 1bv32 == \result)) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 712.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 615.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 855 SDtfs, 2411 SDslu, 5085 SDs, 0 SdLazy, 727 SolverSat, 55 SolverUnsat, 154 SolverUnknown, 0 SolverNotchecked, 528.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 147 SyntacticMatches, 4 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 160.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 238 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 29 NumberOfFragments, 284 HoareAnnotationTreeSize, 20 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 16.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 93.2s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 210 ConstructedInterpolants, 52 QuantifiedInterpolants, 27110 SizeOfPredicates, 72 NumberOfNonLiveVariables, 872 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...