./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:50:29,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:50:29,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:50:29,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:50:29,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:50:29,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:50:29,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:50:29,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:50:29,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:50:29,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:50:29,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:50:29,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:50:29,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:50:29,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:50:29,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:50:29,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:50:29,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:50:29,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:50:29,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:50:29,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:50:29,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:50:29,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:50:29,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:50:29,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:50:29,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:50:29,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:50:29,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:50:29,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:50:29,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:50:29,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:50:29,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:50:29,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:50:29,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:50:29,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:50:29,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:50:29,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:50:29,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:50:29,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:50:29,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:50:29,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:50:29,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:50:29,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:50:29,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:50:29,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:50:29,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:50:29,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:50:29,834 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:50:29,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:50:29,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:50:29,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:50:29,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:50:29,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:50:29,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:50:29,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:50:29,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:50:29,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:50:29,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:50:29,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:50:29,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:50:29,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:50:29,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:50:29,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:50:29,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:50:29,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:50:29,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:50:29,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:50:29,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:50:29,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:50:29,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:50:29,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:50:29,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:50:29,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer 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(__VERIFIER_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 -> 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 [2019-12-07 18:50:29,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:50:29,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:50:29,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:50:29,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:50:29,954 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:50:29,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2019-12-07 18:50:29,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/3e3cec781/fe6d8139a21049708731f760555deffd/FLAGe2a9f5a07 [2019-12-07 18:50:30,350 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:50:30,350 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2019-12-07 18:50:30,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/3e3cec781/fe6d8139a21049708731f760555deffd/FLAGe2a9f5a07 [2019-12-07 18:50:30,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/3e3cec781/fe6d8139a21049708731f760555deffd [2019-12-07 18:50:30,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:50:30,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:50:30,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:50:30,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:50:30,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:50:30,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b633612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30, skipping insertion in model container [2019-12-07 18:50:30,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:50:30,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:50:30,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:50:30,591 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:50:30,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:50:30,641 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:50:30,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30 WrapperNode [2019-12-07 18:50:30,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:50:30,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:50:30,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:50:30,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:50:30,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:50:30,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:50:30,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:50:30,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:50:30,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... [2019-12-07 18:50:30,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:50:30,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:50:30,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:50:30,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:50:30,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/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 [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:50:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 18:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:50:31,211 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:50:31,211 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-07 18:50:31,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:50:31 BoogieIcfgContainer [2019-12-07 18:50:31,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:50:31,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:50:31,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:50:31,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:50:31,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:50:30" (1/3) ... [2019-12-07 18:50:31,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d0dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:50:31, skipping insertion in model container [2019-12-07 18:50:31,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:30" (2/3) ... [2019-12-07 18:50:31,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d0dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:50:31, skipping insertion in model container [2019-12-07 18:50:31,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:50:31" (3/3) ... [2019-12-07 18:50:31,217 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2019-12-07 18:50:31,223 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:50:31,228 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:50:31,235 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:50:31,252 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:50:31,252 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:50:31,252 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:50:31,252 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:50:31,252 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:50:31,252 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:50:31,252 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:50:31,252 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:50:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2019-12-07 18:50:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:50:31,268 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:50:31,269 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:50:31,269 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:50:31,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:31,272 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2019-12-07 18:50:31,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:31,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633974511] [2019-12-07 18:50:31,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:50:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:50:31,373 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633974511] [2019-12-07 18:50:31,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:50:31,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:50:31,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033973868] [2019-12-07 18:50:31,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:50:31,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:50:31,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:50:31,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:50:31,388 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2019-12-07 18:50:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:50:31,408 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2019-12-07 18:50:31,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:50:31,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:50:31,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:50:31,417 INFO L225 Difference]: With dead ends: 234 [2019-12-07 18:50:31,417 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 18:50:31,419 INFO L630 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 [2019-12-07 18:50:31,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 18:50:31,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 18:50:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 18:50:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-07 18:50:31,447 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2019-12-07 18:50:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:50:31,448 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-07 18:50:31,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:50:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-07 18:50:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:50:31,448 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:50:31,448 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:50:31,449 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:50:31,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:31,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2019-12-07 18:50:31,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:31,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621048294] [2019-12-07 18:50:31,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:31,541 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:31,541 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:50:31,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:50:31 BoogieIcfgContainer [2019-12-07 18:50:31,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:50:31,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:50:31,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:50:31,569 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:50:31,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:50:31" (3/4) ... [2019-12-07 18:50:31,572 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:50:31,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:50:31,574 INFO L168 Benchmark]: Toolchain (without parser) took 1206.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 940.3 MB in the beginning and 994.7 MB in the end (delta: -54.4 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:31,574 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:50:31,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:31,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:31,575 INFO L168 Benchmark]: Boogie Preprocessor took 40.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:31,576 INFO L168 Benchmark]: RCFGBuilder took 488.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:31,576 INFO L168 Benchmark]: TraceAbstraction took 356.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.1 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:31,577 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory was 996.1 MB in the beginning and 994.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:31,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 488.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 356.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.1 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory was 996.1 MB in the beginning and 994.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 268]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 264, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 267. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] double x = 0.0; [L264] double y = -0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L265] double res = __ieee754_atan2(y, x); [L267] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L267] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L268] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 118 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 167 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=118occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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, 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 0.1.25-f470102 [2019-12-07 18:50:32,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:50:32,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:50:32,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:50:32,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:50:32,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:50:32,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:50:32,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:50:32,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:50:32,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:50:32,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:50:32,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:50:32,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:50:32,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:50:32,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:50:32,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:50:32,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:50:32,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:50:32,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:50:32,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:50:32,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:50:32,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:50:32,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:50:32,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:50:32,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:50:32,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:50:32,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:50:32,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:50:32,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:50:32,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:50:32,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:50:32,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:50:32,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:50:32,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:50:32,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:50:32,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:50:32,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:50:32,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:50:32,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:50:32,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:50:32,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:50:32,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:50:32,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:50:32,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:50:32,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:50:32,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:50:32,945 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:50:32,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:50:32,946 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:50:32,947 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:50:32,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:50:32,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:50:32,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:50:32,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:50:32,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:50:32,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:50:32,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:50:32,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:50:32,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:50:32,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:50:32,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:50:32,948 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:50:32,948 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:50:32,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:50:32,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:50:32,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:50:32,949 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer 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(__VERIFIER_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 -> 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 [2019-12-07 18:50:33,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:50:33,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:50:33,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:50:33,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:50:33,131 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:50:33,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2019-12-07 18:50:33,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/53af18c94/1d4d76c974874f739bda84355dc7128e/FLAGd81fa4e2c [2019-12-07 18:50:33,627 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:50:33,628 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2019-12-07 18:50:33,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/53af18c94/1d4d76c974874f739bda84355dc7128e/FLAGd81fa4e2c [2019-12-07 18:50:33,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/data/53af18c94/1d4d76c974874f739bda84355dc7128e [2019-12-07 18:50:33,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:50:33,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:50:33,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:50:33,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:50:33,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:50:33,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b510dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33, skipping insertion in model container [2019-12-07 18:50:33,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:50:33,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:50:33,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:50:33,823 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:50:33,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:50:33,917 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:50:33,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33 WrapperNode [2019-12-07 18:50:33,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:50:33,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:50:33,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:50:33,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:50:33,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:50:33,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:50:33,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:50:33,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:50:33,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:33,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:34,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:34,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... [2019-12-07 18:50:34,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:50:34,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:50:34,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:50:34,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:50:34,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/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 [2019-12-07 18:50:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 18:50:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 18:50:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:50:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 18:50:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:50:34,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:50:34,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:50:34,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:50:34,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:51:10,213 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:51:10,214 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-07 18:51:10,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:51:10 BoogieIcfgContainer [2019-12-07 18:51:10,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:51:10,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:51:10,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:51:10,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:51:10,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:50:33" (1/3) ... [2019-12-07 18:51:10,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c12b270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:51:10, skipping insertion in model container [2019-12-07 18:51:10,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:33" (2/3) ... [2019-12-07 18:51:10,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c12b270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:51:10, skipping insertion in model container [2019-12-07 18:51:10,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:51:10" (3/3) ... [2019-12-07 18:51:10,220 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2019-12-07 18:51:10,226 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:51:10,231 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:51:10,238 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:51:10,254 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:51:10,254 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:51:10,254 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:51:10,254 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:51:10,255 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:51:10,255 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:51:10,255 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:51:10,255 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:51:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2019-12-07 18:51:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:51:10,271 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:51:10,271 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:51:10,271 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:51:10,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:51:10,275 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2019-12-07 18:51:10,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:51:10,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806974354] [2019-12-07 18:51:10,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/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 [2019-12-07 18:51:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:51:10,611 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:51:10,616 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:51:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:51:10,627 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:51:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:51:10,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806974354] [2019-12-07 18:51:10,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:51:10,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:51:10,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515024317] [2019-12-07 18:51:10,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:51:10,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:51:10,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:51:10,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:51:10,645 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2019-12-07 18:51:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:51:10,666 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2019-12-07 18:51:10,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:51:10,667 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:51:10,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:51:10,675 INFO L225 Difference]: With dead ends: 234 [2019-12-07 18:51:10,676 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 18:51:10,678 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:51:10,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 18:51:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 18:51:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 18:51:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-07 18:51:10,708 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2019-12-07 18:51:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:51:10,709 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-07 18:51:10,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:51:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-07 18:51:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:51:10,709 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:51:10,710 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:51:10,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:51:10,911 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:51:10,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:51:10,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2019-12-07 18:51:10,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:51:10,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921787435] [2019-12-07 18:51:10,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/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 [2019-12-07 18:51:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:51:11,254 INFO L264 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 18:51:11,257 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:51:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:51:11,437 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:51:11,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:51:11,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:51:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:51:11,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921787435] [2019-12-07 18:51:11,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:51:11,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 18:51:11,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518069581] [2019-12-07 18:51:11,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 18:51:11,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:51:11,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 18:51:11,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 18:51:11,856 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 12 states. [2019-12-07 18:51:14,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:51:14,105 INFO L93 Difference]: Finished difference Result 171 states and 238 transitions. [2019-12-07 18:51:14,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:51:14,106 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-12-07 18:51:14,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:51:14,108 INFO L225 Difference]: With dead ends: 171 [2019-12-07 18:51:14,108 INFO L226 Difference]: Without dead ends: 76 [2019-12-07 18:51:14,109 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-12-07 18:51:14,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-12-07 18:51:14,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-12-07 18:51:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 18:51:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2019-12-07 18:51:14,118 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 13 [2019-12-07 18:51:14,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:51:14,118 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2019-12-07 18:51:14,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 18:51:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2019-12-07 18:51:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:51:14,119 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:51:14,119 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:51:14,320 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:51:14,321 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:51:14,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:51:14,322 INFO L82 PathProgramCache]: Analyzing trace with hash -697961435, now seen corresponding path program 1 times [2019-12-07 18:51:14,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:51:14,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994041920] [2019-12-07 18:51:14,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/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 [2019-12-07 18:51:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:51:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:51:15,616 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:51:15,617 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:51:15,817 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:51:15,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:51:15 BoogieIcfgContainer [2019-12-07 18:51:15,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:51:15,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:51:15,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:51:15,898 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:51:15,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:51:10" (3/4) ... [2019-12-07 18:51:15,901 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:51:15,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85802272-10ac-4469-bc37-d5b7293b0f37/bin/uautomizer/witness.graphml [2019-12-07 18:51:15,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:51:15,968 INFO L168 Benchmark]: Toolchain (without parser) took 42324.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 863.4 MB in the end (delta: 89.0 MB). Peak memory consumption was 214.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:51:15,969 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:51:15,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:51:15,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:51:15,969 INFO L168 Benchmark]: Boogie Preprocessor took 46.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:51:15,970 INFO L168 Benchmark]: RCFGBuilder took 36203.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:51:15,970 INFO L168 Benchmark]: TraceAbstraction took 5682.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 870.1 MB in the end (delta: 149.1 MB). Peak memory consumption was 149.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:51:15,970 INFO L168 Benchmark]: Witness Printer took 69.11 ms. Allocated memory is still 1.2 GB. Free memory was 870.1 MB in the beginning and 863.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:51:15,973 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 36203.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5682.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 870.1 MB in the end (delta: 149.1 MB). Peak memory consumption was 149.1 MB. Max. memory is 11.5 GB. * Witness Printer took 69.11 ms. Allocated memory is still 1.2 GB. Free memory was 870.1 MB in the beginning and 863.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 268]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] 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={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L263] double x = 0.0; [L264] double y = -0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L168] COND FALSE !((iy | ly) == 0) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L180] COND TRUE (ix | lx) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L181] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L181] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L265] double res = __ieee754_atan2(y, x); [L267] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L267] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L268] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 118 locations, 1 error locations. Result: UNSAFE, OverallTime: 5.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 741 SDslu, 12 SDs, 0 SdLazy, 28 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 13 QuantifiedInterpolants, 5444 SizeOfPredicates, 16 NumberOfNonLiveVariables, 230 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...