./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:26:07,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:26:07,008 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:26:07,014 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:26:07,015 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:26:07,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:26:07,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:26:07,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:26:07,018 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:26:07,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:26:07,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:26:07,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:26:07,020 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:26:07,021 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:26:07,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:26:07,022 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:26:07,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:26:07,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:26:07,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:26:07,025 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:26:07,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:26:07,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:26:07,027 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:26:07,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:26:07,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:26:07,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:26:07,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:26:07,029 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:26:07,030 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:26:07,031 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:26:07,031 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:26:07,031 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:26:07,031 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:26:07,032 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:26:07,032 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:26:07,033 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:26:07,033 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:26:07,040 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:26:07,040 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:26:07,041 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:26:07,041 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:26:07,041 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:26:07,041 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:26:07,041 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:26:07,042 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:26:07,042 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:26:07,042 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:26:07,042 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:26:07,042 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:26:07,042 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:26:07,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:26:07,043 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:26:07,043 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:26:07,043 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:26:07,043 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:26:07,043 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:26:07,043 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:26:07,044 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:26:07,044 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:26:07,044 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:26:07,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:26:07,044 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:26:07,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:26:07,044 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:26:07,045 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:26:07,045 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:26:07,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:26:07,045 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 -> 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 [2018-11-28 13:26:07,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:26:07,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:26:07,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:26:07,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:26:07,079 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:26:07,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-11-28 13:26:07,124 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/6612b20c6/63268c640bcd481fb5e7a4e1b6e368c8/FLAG815293cf0 [2018-11-28 13:26:07,525 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:26:07,525 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-11-28 13:26:07,530 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/6612b20c6/63268c640bcd481fb5e7a4e1b6e368c8/FLAG815293cf0 [2018-11-28 13:26:07,538 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/6612b20c6/63268c640bcd481fb5e7a4e1b6e368c8 [2018-11-28 13:26:07,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:26:07,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:26:07,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:07,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:26:07,544 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:26:07,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a3ea0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07, skipping insertion in model container [2018-11-28 13:26:07,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:26:07,567 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:26:07,694 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:07,697 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:26:07,730 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:07,799 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:26:07,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07 WrapperNode [2018-11-28 13:26:07,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:07,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:07,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:26:07,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:26:07,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:07,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:26:07,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:26:07,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:26:07,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... [2018-11-28 13:26:07,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:26:07,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:26:07,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:26:07,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:26:07,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 [2018-11-28 13:26:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 13:26:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 13:26:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-11-28 13:26:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-11-28 13:26:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:26:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:26:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 13:26:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:26:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 13:26:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 13:26:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:26:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:26:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 13:26:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:26:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:26:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:26:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:26:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:26:08,365 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:26:08,366 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-28 13:26:08,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:08 BoogieIcfgContainer [2018-11-28 13:26:08,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:26:08,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:26:08,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:26:08,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:26:08,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:26:07" (1/3) ... [2018-11-28 13:26:08,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb88754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:08, skipping insertion in model container [2018-11-28 13:26:08,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:07" (2/3) ... [2018-11-28 13:26:08,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb88754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:08, skipping insertion in model container [2018-11-28 13:26:08,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:08" (3/3) ... [2018-11-28 13:26:08,372 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460_true-unreach-call.c [2018-11-28 13:26:08,380 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:26:08,387 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:26:08,401 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:26:08,427 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:26:08,427 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:26:08,428 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:26:08,428 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:26:08,428 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:26:08,428 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:26:08,428 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:26:08,428 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:26:08,428 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:26:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2018-11-28 13:26:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 13:26:08,450 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:08,451 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:08,452 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:08,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:08,457 INFO L82 PathProgramCache]: Analyzing trace with hash -184503110, now seen corresponding path program 1 times [2018-11-28 13:26:08,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:08,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:08,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:08,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:08,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:08,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:08,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:26:08,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:26:08,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:26:08,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:08,596 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 2 states. [2018-11-28 13:26:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:08,620 INFO L93 Difference]: Finished difference Result 161 states and 246 transitions. [2018-11-28 13:26:08,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:26:08,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-28 13:26:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:08,630 INFO L225 Difference]: With dead ends: 161 [2018-11-28 13:26:08,630 INFO L226 Difference]: Without dead ends: 80 [2018-11-28 13:26:08,633 INFO L631 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 [2018-11-28 13:26:08,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-28 13:26:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-28 13:26:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-28 13:26:08,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2018-11-28 13:26:08,662 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 24 [2018-11-28 13:26:08,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:08,663 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2018-11-28 13:26:08,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:26:08,663 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2018-11-28 13:26:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 13:26:08,665 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:08,665 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:08,665 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:08,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:08,666 INFO L82 PathProgramCache]: Analyzing trace with hash 363474328, now seen corresponding path program 1 times [2018-11-28 13:26:08,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:08,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:08,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:08,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:08,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:26:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:26:08,736 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:26:08,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:26:08 BoogieIcfgContainer [2018-11-28 13:26:08,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:26:08,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:26:08,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:26:08,765 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:26:08,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:08" (3/4) ... [2018-11-28 13:26:08,769 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:26:08,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:26:08,769 INFO L168 Benchmark]: Toolchain (without parser) took 1229.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -102.7 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:08,771 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:26:08,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:08,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.65 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:08,772 INFO L168 Benchmark]: Boogie Preprocessor took 37.97 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:08,773 INFO L168 Benchmark]: RCFGBuilder took 503.60 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:08,773 INFO L168 Benchmark]: TraceAbstraction took 398.02 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:08,773 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:26:08,776 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.65 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.97 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.60 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 398.02 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 132, overapproximation of bitwiseAnd at line 150, overapproximation of someBinaryArithmeticDOUBLEoperation at line 168, overapproximation of someBinaryDOUBLEComparisonOperation at line 213. Possible FailurePath: [L15] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L127-L140] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(one_acos)=6442450964, \old(one_sqrt)=6442450954, \old(pi)=6442450951, \old(pi)=6442450956, \old(pi)=6442450967, \old(pS0_acos)=6442450945, \old(pS1_acos)=6442450965, \old(pS2_acos)=6442450966, \old(pS3_acos)=6442450949, \old(pS4_acos)=6442450955, \old(pS5_acos)=6442450968, \old(qS1_acos)=6442450948, \old(qS2_acos)=6442450957, \old(qS3_acos)=6442450961, \old(qS4_acos)=6442450950, \old(tiny_sqrt)=6442450963, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L221] double x = __VERIFIER_nondet_double(); [L223] COND TRUE x < -1.0 || x > 1.0 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L225] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=6442450952, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] double z, p, q, r, w, s, c, df; [L144] __int32_t hx, ix; VAL [\old(x)=6442450952, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L146] ieee_double_shape_type gh_u; [L147] gh_u.value = (x) [L148] EXPR gh_u.parts.msw [L148] (hx) = gh_u.parts.msw [L150] ix = hx & 0x7fffffff VAL [\old(x)=6442450952, hx=-2147483648, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L151] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=6442450952, hx=-2147483648, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L166] COND TRUE ix < 0x3fe00000 VAL [\old(x)=6442450952, hx=-2147483648, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L167] COND TRUE ix <= 0x3c600000 [L168] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=6442450952, hx=-2147483648, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L225] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=6442450953, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L225] double res = __ieee754_acos(x); [L228] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450953, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L213] return x != x; VAL [\old(x)=6442450953, \result=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L228] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 85 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 112 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=85occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-0cd3be1 [2018-11-28 13:26:10,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:26:10,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:26:10,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:26:10,225 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:26:10,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:26:10,226 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:26:10,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:26:10,229 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:26:10,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:26:10,230 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:26:10,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:26:10,231 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:26:10,232 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:26:10,233 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:26:10,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:26:10,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:26:10,236 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:26:10,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:26:10,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:26:10,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:26:10,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:26:10,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:26:10,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:26:10,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:26:10,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:26:10,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:26:10,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:26:10,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:26:10,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:26:10,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:26:10,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:26:10,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:26:10,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:26:10,248 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:26:10,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:26:10,249 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:26:10,259 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:26:10,259 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:26:10,260 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:26:10,260 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:26:10,261 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:26:10,261 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:26:10,261 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:26:10,261 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:26:10,261 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:26:10,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:26:10,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:26:10,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:26:10,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:26:10,262 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:26:10,262 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:26:10,262 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:26:10,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:26:10,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:26:10,263 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:26:10,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:26:10,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:26:10,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:26:10,263 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:26:10,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:26:10,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:26:10,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:26:10,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:26:10,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:26:10,264 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:26:10,264 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:26:10,265 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:26:10,265 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:26:10,265 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 -> 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 [2018-11-28 13:26:10,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:26:10,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:26:10,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:26:10,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:26:10,304 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:26:10,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-11-28 13:26:10,350 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/3287f110a/f795cfb956eb44ec9213b9074a106a0c/FLAGe474954fc [2018-11-28 13:26:10,660 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:26:10,661 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-11-28 13:26:10,666 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/3287f110a/f795cfb956eb44ec9213b9074a106a0c/FLAGe474954fc [2018-11-28 13:26:10,676 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/data/3287f110a/f795cfb956eb44ec9213b9074a106a0c [2018-11-28 13:26:10,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:26:10,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:26:10,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:10,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:26:10,682 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:26:10,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:10,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5710a0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10, skipping insertion in model container [2018-11-28 13:26:10,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:10,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:26:10,705 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:26:10,854 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:10,859 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:26:10,904 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:10,927 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:26:10,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10 WrapperNode [2018-11-28 13:26:10,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:10,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:10,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:26:10,928 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:26:10,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:10,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:10,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:10,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:26:10,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:26:10,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:26:11,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:11,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:11,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:11,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:11,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:11,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:11,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... [2018-11-28 13:26:11,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:26:11,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:26:11,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:26:11,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:26:11,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 [2018-11-28 13:26:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 13:26:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 13:26:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 13:26:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-11-28 13:26:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-11-28 13:26:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 13:26:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:26:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:26:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 13:26:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 13:26:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:26:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:26:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:26:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 13:26:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:26:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:26:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 13:26:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:26:11,513 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:26:13,063 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:26:22,039 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:26:25,107 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:26:25,124 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:26:25,124 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-28 13:26:25,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:25 BoogieIcfgContainer [2018-11-28 13:26:25,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:26:25,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:26:25,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:26:25,129 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:26:25,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:26:10" (1/3) ... [2018-11-28 13:26:25,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2827225b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:25, skipping insertion in model container [2018-11-28 13:26:25,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:10" (2/3) ... [2018-11-28 13:26:25,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2827225b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:25, skipping insertion in model container [2018-11-28 13:26:25,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:25" (3/3) ... [2018-11-28 13:26:25,132 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460_true-unreach-call.c [2018-11-28 13:26:25,139 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:26:25,145 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:26:25,157 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:26:25,179 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:26:25,180 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:26:25,180 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:26:25,181 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:26:25,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:26:25,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:26:25,181 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:26:25,181 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:26:25,181 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:26:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-11-28 13:26:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:26:25,200 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:25,201 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:25,202 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:25,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:25,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1535420979, now seen corresponding path program 1 times [2018-11-28 13:26:25,209 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:26:25,209 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 [2018-11-28 13:26:25,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:25,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:25,887 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:26:25,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:25,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:26:25,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:26:25,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:26:25,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:25,916 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2018-11-28 13:26:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:25,936 INFO L93 Difference]: Finished difference Result 159 states and 244 transitions. [2018-11-28 13:26:25,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:26:25,937 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-28 13:26:25,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:25,946 INFO L225 Difference]: With dead ends: 159 [2018-11-28 13:26:25,946 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 13:26:25,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:25,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 13:26:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-11-28 13:26:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-28 13:26:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2018-11-28 13:26:25,981 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2018-11-28 13:26:25,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:25,982 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2018-11-28 13:26:25,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:26:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-11-28 13:26:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 13:26:25,984 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:25,984 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:25,984 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:25,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:25,985 INFO L82 PathProgramCache]: Analyzing trace with hash -493240401, now seen corresponding path program 1 times [2018-11-28 13:26:25,985 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:26:25,985 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 [2018-11-28 13:26:25,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:26,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:26,280 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:26:26,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:26,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:26:26,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:26:26,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:26:26,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:26:26,290 INFO L87 Difference]: Start difference. First operand 79 states and 105 transitions. Second operand 7 states. [2018-11-28 13:26:37,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:37,210 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2018-11-28 13:26:37,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:26:37,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-28 13:26:37,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:37,212 INFO L225 Difference]: With dead ends: 91 [2018-11-28 13:26:37,212 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 13:26:37,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:26:37,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 13:26:37,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-11-28 13:26:37,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-28 13:26:37,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2018-11-28 13:26:37,219 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 24 [2018-11-28 13:26:37,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:37,219 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2018-11-28 13:26:37,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:26:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2018-11-28 13:26:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 13:26:37,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:37,220 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:37,220 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:37,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash -689753906, now seen corresponding path program 1 times [2018-11-28 13:26:37,221 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:26:37,221 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/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 [2018-11-28 13:26:37,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:41,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:41,535 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:26:41,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:41,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:26:41,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:26:41,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:26:41,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:26:41,590 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand 8 states. [2018-11-28 13:26:50,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:50,770 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2018-11-28 13:26:50,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:26:50,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-11-28 13:26:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:50,773 INFO L225 Difference]: With dead ends: 86 [2018-11-28 13:26:50,773 INFO L226 Difference]: Without dead ends: 75 [2018-11-28 13:26:50,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:26:50,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-28 13:26:50,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-11-28 13:26:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-28 13:26:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2018-11-28 13:26:50,780 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 24 [2018-11-28 13:26:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:50,780 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2018-11-28 13:26:50,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:26:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2018-11-28 13:26:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 13:26:50,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:50,781 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:50,781 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:50,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:50,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1945670517, now seen corresponding path program 1 times [2018-11-28 13:26:50,782 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:26:50,782 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-28 13:26:50,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:51,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:56,153 WARN L180 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 7 [2018-11-28 13:27:04,124 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 7 [2018-11-28 13:27:18,554 WARN L180 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 7 [2018-11-28 13:27:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:27:35,592 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:27:35,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:35,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:27:35,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:27:35,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:27:35,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=27, Unknown=4, NotChecked=0, Total=42 [2018-11-28 13:27:35,613 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand 7 states. [2018-11-28 13:28:03,982 WARN L180 SmtUtils]: Spent 6.74 s on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 13:28:10,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:28:10,156 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2018-11-28 13:28:10,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:28:10,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-28 13:28:10,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:28:10,158 INFO L225 Difference]: With dead ends: 80 [2018-11-28 13:28:10,158 INFO L226 Difference]: Without dead ends: 73 [2018-11-28 13:28:10,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 57.2s TimeCoverageRelationStatistics Valid=15, Invalid=34, Unknown=7, NotChecked=0, Total=56 [2018-11-28 13:28:10,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-28 13:28:10,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-28 13:28:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-28 13:28:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2018-11-28 13:28:10,164 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 25 [2018-11-28 13:28:10,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:28:10,165 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2018-11-28 13:28:10,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:28:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2018-11-28 13:28:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:28:10,166 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:28:10,166 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:28:10,166 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:28:10,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:28:10,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1994306432, now seen corresponding path program 1 times [2018-11-28 13:28:10,166 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:28:10,166 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-28 13:28:10,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:28:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:28:10,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:28:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:28:10,476 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:28:10,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:28:10,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:28:10,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:28:10,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:28:10,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:28:10,493 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand 8 states. [2018-11-28 13:28:14,219 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-11-28 13:28:15,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:28:15,106 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2018-11-28 13:28:15,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:28:15,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-28 13:28:15,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:28:15,127 INFO L225 Difference]: With dead ends: 83 [2018-11-28 13:28:15,127 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 13:28:15,127 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:28:15,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 13:28:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-28 13:28:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-28 13:28:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2018-11-28 13:28:15,131 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 26 [2018-11-28 13:28:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:28:15,131 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-11-28 13:28:15,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:28:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2018-11-28 13:28:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 13:28:15,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:28:15,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:28:15,132 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:28:15,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:28:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash 236108416, now seen corresponding path program 1 times [2018-11-28 13:28:15,133 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:28:15,133 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-28 13:28:15,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:28:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:28:19,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:28:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:28:19,605 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:28:19,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:28:19,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:28:19,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:28:19,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:28:19,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:28:19,661 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand 8 states. [2018-11-28 13:28:23,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:28:23,184 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2018-11-28 13:28:23,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:28:23,185 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-28 13:28:23,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:28:23,186 INFO L225 Difference]: With dead ends: 69 [2018-11-28 13:28:23,186 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:28:23,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:28:23,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:28:23,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:28:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:28:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:28:23,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-28 13:28:23,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:28:23,188 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:28:23,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:28:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:28:23,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:28:23,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:28:30,679 WARN L180 SmtUtils]: Spent 7.43 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 13:28:30,815 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-11-28 13:28:30,898 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 17 125) the Hoare annotation is: true [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 17 125) no Hoare annotation was computed. [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 86) no Hoare annotation was computed. [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point L118-1(lines 118 123) no Hoare annotation was computed. [2018-11-28 13:28:30,898 INFO L451 ceAbstractionStarter]: At program point L118-2(lines 118 123) the Hoare annotation is: true [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point L118-3(lines 118 123) no Hoare annotation was computed. [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2018-11-28 13:28:30,898 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 89) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L451 ceAbstractionStarter]: At program point L80-2(lines 80 96) the Hoare annotation is: true [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L80-3(lines 17 125) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 110) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 59) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 28) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 28) the Hoare annotation is: true [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L23-3(lines 17 125) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-11-28 13:28:30,899 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 107) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L106-2(lines 106 107) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 112) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 17 125) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L115-2(lines 115 116) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 92) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 53) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 111) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 39) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L451 ceAbstractionStarter]: At program point L67-2(lines 67 77) the Hoare annotation is: true [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L448 ceAbstractionStarter]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2018-11-28 13:28:30,900 INFO L451 ceAbstractionStarter]: At program point L43-2(lines 43 47) the Hoare annotation is: true [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 213) the Hoare annotation is: true [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 213) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 213) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 162) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point L151(lines 151 165) no Hoare annotation was computed. [2018-11-28 13:28:30,901 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 142 211) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 142 211) the Hoare annotation is: true [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 142 211) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 194 199) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L444 ceAbstractionStarter]: At program point L194-2(lines 194 199) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point L194-3(lines 194 199) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (exists ((v_prenex_13 (_ BitVec 64))) (let ((.cse0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_13)))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13))) (not (bvslt .cse0 (_ bv1071644672 32))) (not (bvsge .cse0 (_ bv1072693248 32)))))) [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 153 157) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L444 ceAbstractionStarter]: At program point L153-2(lines 153 157) the Hoare annotation is: (and (exists ((v_prenex_11 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_11)) __ieee754_acos_~ix~0) (= __ieee754_acos_~x (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x) (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= ((_ extract 63 32) v_prenex_10) __ieee754_acos_~hx~0)))) [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point L153-3(lines 151 165) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 210) no Hoare annotation was computed. [2018-11-28 13:28:30,902 INFO L448 ceAbstractionStarter]: For program point L145-1(lines 145 149) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L444 ceAbstractionStarter]: At program point L145-2(lines 145 149) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point L145-3(lines 145 149) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 210) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 168) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 13:28:30,903 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (or (fp.gt main_~x~0 .cse0) (fp.lt main_~x~0 (fp.neg .cse0)))) [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point L225-1(line 225) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 232) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 215 235) the Hoare annotation is: true [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point L223-2(lines 223 232) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-11-28 13:28:30,903 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 215 235) no Hoare annotation was computed. [2018-11-28 13:28:30,904 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 215 235) no Hoare annotation was computed. [2018-11-28 13:28:30,904 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-28 13:28:30,904 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (and (exists ((__ieee754_acos_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven __ieee754_acos_~x __ieee754_acos_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)) main_~res~0)) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (or (fp.gt main_~x~0 .cse1) (fp.lt main_~x~0 (fp.neg .cse1))))) [2018-11-28 13:28:30,904 INFO L448 ceAbstractionStarter]: For program point L228-1(lines 228 231) no Hoare annotation was computed. [2018-11-28 13:28:30,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:28:30 BoogieIcfgContainer [2018-11-28 13:28:30,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:28:30,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:28:30,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:28:30,925 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:28:30,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:25" (3/4) ... [2018-11-28 13:28:30,928 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:28:30,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-11-28 13:28:30,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-28 13:28:30,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:28:30,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-11-28 13:28:30,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:28:30,936 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 13:28:30,936 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 13:28:30,937 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 13:28:30,937 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:28:30,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 13:28:30,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_11 : bv64 :: ~bvand32(2147483647bv32, v_prenex_11[63:32]) == ix && x == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0])) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) [2018-11-28 13:28:30,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x [2018-11-28 13:28:30,985 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1159823-2bec-47e9-b079-3a51a1ce8544/bin-2019/uautomizer/witness.graphml [2018-11-28 13:28:30,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:28:30,985 INFO L168 Benchmark]: Toolchain (without parser) took 140306.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.7 MB in the beginning and 804.3 MB in the end (delta: 144.5 MB). Peak memory consumption was 279.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:30,986 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:28:30,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:30,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -202.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:30,987 INFO L168 Benchmark]: Boogie Preprocessor took 34.55 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:30,987 INFO L168 Benchmark]: RCFGBuilder took 14096.12 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:30,987 INFO L168 Benchmark]: TraceAbstraction took 125798.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 810.9 MB in the end (delta: 259.8 MB). Peak memory consumption was 259.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:30,988 INFO L168 Benchmark]: Witness Printer took 60.53 ms. Allocated memory is still 1.2 GB. Free memory was 810.9 MB in the beginning and 804.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:30,989 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -202.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.55 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14096.12 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125798.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 810.9 MB in the end (delta: 259.8 MB). Peak memory consumption was 259.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.53 ms. Allocated memory is still 1.2 GB. Free memory was 810.9 MB in the beginning and 804.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 229]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant [2018-11-28 13:28:30,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,995 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,995 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,995 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,995 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,995 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_11 : bv64 :: ~bvand32(2147483647bv32, v_prenex_11[63:32]) == ix && x == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0])) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) - InvariantResult [Line: 194]: Loop Invariant [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,997 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,997 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:30,997 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 13:28:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 84 locations, 1 error locations. SAFE Result, 125.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 62.8s AutomataDifference, 0.0s DeadEndRemovalTime, 7.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 537 SDtfs, 149 SDslu, 2024 SDs, 0 SdLazy, 178 SolverSat, 5 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 40.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 58.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 64 NumberOfFragments, 223 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 9.2s SatisfiabilityAnalysisTime, 45.4s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 36 QuantifiedInterpolants, 24237 SizeOfPredicates, 20 NumberOfNonLiveVariables, 699 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...