./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db1a0648fa242e1728c1c06c3b545dcc4e795062 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db1a0648fa242e1728c1c06c3b545dcc4e795062 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:39,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:39,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:39,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:39,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:39,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:39,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:39,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:39,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:39,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:39,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:39,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:39,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:39,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:39,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:39,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:39,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:39,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:39,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:39,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:39,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:39,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:39,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:39,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:39,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:39,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:39,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:39,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:39,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:39,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:39,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:39,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:39,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:39,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:39,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:39,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:39,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:39,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:39,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:39,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:39,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:39,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:39,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:39,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:39,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:39,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:39,849 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:39,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:39,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:39,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:39,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:39,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:39,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:39,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:39,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:39,852 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:39,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:39,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:39,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:39,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:39,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:39,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:39,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:39,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:39,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:39,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:39,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:39,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:39,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:39,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:39,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:39,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1a0648fa242e1728c1c06c3b545dcc4e795062 [2020-11-28 02:56:40,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:40,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:40,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:40,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:40,175 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:40,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2020-11-28 02:56:40,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/bc2079213/a269aed0e3ee418bb447ca71623f1e24/FLAG37f937095 [2020-11-28 02:56:40,788 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:40,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2020-11-28 02:56:40,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/bc2079213/a269aed0e3ee418bb447ca71623f1e24/FLAG37f937095 [2020-11-28 02:56:41,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/bc2079213/a269aed0e3ee418bb447ca71623f1e24 [2020-11-28 02:56:41,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:41,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:41,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:41,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:41,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:41,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678c51dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41, skipping insertion in model container [2020-11-28 02:56:41,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:41,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:41,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:41,500 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:41,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:41,562 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:41,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41 WrapperNode [2020-11-28 02:56:41,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:41,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:41,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:41,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:41,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:41,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:41,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:41,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:41,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:41,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:41,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:41,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:41,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 02:56:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:56:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 02:56:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:56:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:56:42,492 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:42,492 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 02:56:42,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:42 BoogieIcfgContainer [2020-11-28 02:56:42,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:42,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:42,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:42,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:42,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:41" (1/3) ... [2020-11-28 02:56:42,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38624777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:42, skipping insertion in model container [2020-11-28 02:56:42,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (2/3) ... [2020-11-28 02:56:42,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38624777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:42, skipping insertion in model container [2020-11-28 02:56:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:42" (3/3) ... [2020-11-28 02:56:42,504 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2020-11-28 02:56:42,522 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:42,528 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:42,541 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:42,567 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:42,567 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:42,567 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:42,568 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:42,568 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:42,568 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:42,568 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:42,568 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-11-28 02:56:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:56:42,589 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:42,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:42,590 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:42,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:42,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2020-11-28 02:56:42,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:42,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193279714] [2020-11-28 02:56:42,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:42,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:42,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193279714] [2020-11-28 02:56:42,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:42,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:42,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518193742] [2020-11-28 02:56:42,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:56:42,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:42,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:56:42,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:42,837 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-11-28 02:56:42,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:42,886 INFO L93 Difference]: Finished difference Result 119 states and 193 transitions. [2020-11-28 02:56:42,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:56:42,888 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 02:56:42,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:42,908 INFO L225 Difference]: With dead ends: 119 [2020-11-28 02:56:42,908 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:56:42,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:42,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:56:42,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:56:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:56:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2020-11-28 02:56:42,950 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2020-11-28 02:56:42,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:42,951 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-28 02:56:42,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:56:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 02:56:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 02:56:42,952 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:42,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:42,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:42,953 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:42,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:42,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2020-11-28 02:56:42,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:42,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228681947] [2020-11-28 02:56:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:43,002 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:43,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:43,112 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:43,112 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:56:43,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:43,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:43 BoogieIcfgContainer [2020-11-28 02:56:43,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:43,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:43,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:43,153 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:43,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:42" (3/4) ... [2020-11-28 02:56:43,158 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:56:43,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:43,160 INFO L168 Benchmark]: Toolchain (without parser) took 2016.45 ms. Allocated memory is still 107.0 MB. Free memory was 74.2 MB in the beginning and 70.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:43,161 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 31.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:43,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.57 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 79.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:43,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.35 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 77.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:43,164 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:43,165 INFO L168 Benchmark]: RCFGBuilder took 790.92 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 43.7 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:43,166 INFO L168 Benchmark]: TraceAbstraction took 656.52 ms. Allocated memory is still 107.0 MB. Free memory was 43.1 MB in the beginning and 70.3 MB in the end (delta: -27.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:43,166 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 107.0 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:43,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 31.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.57 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 79.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.35 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 77.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.00 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 790.92 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 43.7 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 656.52 ms. Allocated memory is still 107.0 MB. Free memory was 43.1 MB in the beginning and 70.3 MB in the end (delta: -27.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 107.0 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of bitwiseAnd at line 127, overapproximation of someUnaryFLOAToperation at line 195, overapproximation of someBinaryArithmeticFLOAToperation at line 130. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L195] float x = -0.0f; [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L128] COND TRUE ix == 0x3f800000 [L130] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L196] float res = __ieee754_asinf(x); [L199] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L199] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L3] __assert_fail("0", "float_req_bl_0270a.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 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=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:45,898 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-28 02:56:46,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:46,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:46,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:46,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:46,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:46,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:46,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:46,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:46,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:46,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:46,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:46,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 02:56:46,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:46,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:46,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:46,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:46,100 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:46,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:46,100 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:46,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:46,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:46,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:46,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:46,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:46,103 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 02:56:46,103 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 02:56:46,103 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:46,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:46,104 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:46,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:46,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:46,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:46,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:46,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:46,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:46,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:46,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:46,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:46,106 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 02:56:46,106 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 02:56:46,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:46,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:46,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 02:56:46,107 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1a0648fa242e1728c1c06c3b545dcc4e795062 [2020-11-28 02:56:46,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:46,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:46,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:46,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:46,618 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:46,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2020-11-28 02:56:46,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/260f423fd/0c8392ae76004ae8b1bd933661f2e1ca/FLAGe14fe2e6a [2020-11-28 02:56:47,324 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:47,324 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2020-11-28 02:56:47,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/260f423fd/0c8392ae76004ae8b1bd933661f2e1ca/FLAGe14fe2e6a [2020-11-28 02:56:47,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/data/260f423fd/0c8392ae76004ae8b1bd933661f2e1ca [2020-11-28 02:56:47,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:47,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:47,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:47,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:47,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:47,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:47" (1/1) ... [2020-11-28 02:56:47,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5997a556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:47, skipping insertion in model container [2020-11-28 02:56:47,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:47" (1/1) ... [2020-11-28 02:56:47,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:47,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:47,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:47,939 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:48,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:48,121 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:48,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48 WrapperNode [2020-11-28 02:56:48,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:48,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:48,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:48,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:48,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:48,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:48,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:48,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:48,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... [2020-11-28 02:56:48,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:48,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:48,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:48,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:48,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 02:56:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 02:56:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 02:56:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 02:56:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 02:56:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:57:00,186 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:00,190 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 02:57:00,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:00 BoogieIcfgContainer [2020-11-28 02:57:00,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:00,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:57:00,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:57:00,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:57:00,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:47" (1/3) ... [2020-11-28 02:57:00,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b9a3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:00, skipping insertion in model container [2020-11-28 02:57:00,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:48" (2/3) ... [2020-11-28 02:57:00,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b9a3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:00, skipping insertion in model container [2020-11-28 02:57:00,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:00" (3/3) ... [2020-11-28 02:57:00,202 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2020-11-28 02:57:00,214 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:57:00,219 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:57:00,228 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:57:00,263 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:57:00,263 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:57:00,263 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:57:00,263 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:00,263 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:00,263 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:57:00,263 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:00,263 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:57:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-11-28 02:57:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:57:00,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:00,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:00,283 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:00,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:00,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2020-11-28 02:57:00,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:57:00,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262261132] [2020-11-28 02:57:00,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 02:57:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:01,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 02:57:01,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:01,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:01,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:57:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:01,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262261132] [2020-11-28 02:57:01,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:01,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 02:57:01,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855888464] [2020-11-28 02:57:01,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:57:01,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:57:01,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:57:01,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:57:01,237 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-11-28 02:57:01,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:01,258 INFO L93 Difference]: Finished difference Result 119 states and 193 transitions. [2020-11-28 02:57:01,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:57:01,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 02:57:01,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:01,269 INFO L225 Difference]: With dead ends: 119 [2020-11-28 02:57:01,270 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:57:01,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:57:01,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:57:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:57:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:57:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2020-11-28 02:57:01,309 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2020-11-28 02:57:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:01,310 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-28 02:57:01,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:57:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 02:57:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 02:57:01,311 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:01,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:01,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 02:57:01,528 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:01,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2020-11-28 02:57:01,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:57:01,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168117100] [2020-11-28 02:57:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 02:57:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:02,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 02:57:02,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:02,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:57:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:02,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168117100] [2020-11-28 02:57:02,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:02,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 02:57:02,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680422736] [2020-11-28 02:57:02,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 02:57:02,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:57:02,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 02:57:02,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:57:02,426 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2020-11-28 02:57:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:03,717 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2020-11-28 02:57:03,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:03,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-28 02:57:03,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:03,721 INFO L225 Difference]: With dead ends: 104 [2020-11-28 02:57:03,721 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:57:03,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 02:57:03,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:57:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:57:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:57:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2020-11-28 02:57:03,740 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2020-11-28 02:57:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:03,741 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2020-11-28 02:57:03,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 02:57:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2020-11-28 02:57:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 02:57:03,745 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:03,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:03,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 02:57:03,964 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:03,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:03,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2020-11-28 02:57:03,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:57:03,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990658065] [2020-11-28 02:57:03,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 02:57:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:04,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 02:57:04,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:04,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:57:04,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:04,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990658065] [2020-11-28 02:57:04,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:04,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-11-28 02:57:04,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095474567] [2020-11-28 02:57:04,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:57:04,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:57:04,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:57:04,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:04,588 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2020-11-28 02:57:04,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:04,849 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2020-11-28 02:57:04,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:57:04,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-11-28 02:57:04,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:04,852 INFO L225 Difference]: With dead ends: 69 [2020-11-28 02:57:04,852 INFO L226 Difference]: Without dead ends: 66 [2020-11-28 02:57:04,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-28 02:57:04,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-11-28 02:57:04,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2020-11-28 02:57:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-28 02:57:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2020-11-28 02:57:04,868 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2020-11-28 02:57:04,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:04,868 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2020-11-28 02:57:04,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:57:04,869 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2020-11-28 02:57:04,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:57:04,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:04,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:05,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 02:57:05,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:05,092 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2020-11-28 02:57:05,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:57:05,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000061386] [2020-11-28 02:57:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/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 [2020-11-28 02:57:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:05,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 02:57:05,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:05,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:57:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:05,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:57:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:06,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000061386] [2020-11-28 02:57:06,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:06,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-11-28 02:57:06,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287863016] [2020-11-28 02:57:06,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-28 02:57:06,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:57:06,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 02:57:06,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:57:06,133 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2020-11-28 02:57:06,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:06,610 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2020-11-28 02:57:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:57:06,611 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-28 02:57:06,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:06,612 INFO L225 Difference]: With dead ends: 66 [2020-11-28 02:57:06,612 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:57:06,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-11-28 02:57:06,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:57:06,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:57:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:57:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2020-11-28 02:57:06,621 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2020-11-28 02:57:06,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:06,621 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2020-11-28 02:57:06,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-28 02:57:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2020-11-28 02:57:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:06,623 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:06,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:06,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 02:57:06,845 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:06,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:06,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2020-11-28 02:57:06,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:57:06,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147704743] [2020-11-28 02:57:06,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/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 [2020-11-28 02:57:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:09,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 02:57:09,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:09,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:57:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:09,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147704743] [2020-11-28 02:57:09,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:09,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-28 02:57:09,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862815568] [2020-11-28 02:57:09,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:57:09,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:57:09,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:57:09,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:09,596 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2020-11-28 02:57:09,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:09,709 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2020-11-28 02:57:09,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:57:09,717 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 02:57:09,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:09,717 INFO L225 Difference]: With dead ends: 57 [2020-11-28 02:57:09,717 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:09,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:09,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:09,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-11-28 02:57:09,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:09,718 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:09,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:57:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:09,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:09,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 02:57:09,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:10,154 INFO L270 CegarLoopResult]: At program point L184(lines 119 185) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) [2020-11-28 02:57:10,154 INFO L274 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-11-28 02:57:10,154 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:57:10,154 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:57:10,154 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:10,154 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-11-28 02:57:10,154 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: false [2020-11-28 02:57:10,154 INFO L274 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-11-28 02:57:10,155 INFO L274 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-11-28 02:57:10,155 INFO L274 CegarLoopResult]: For program point L170-1(lines 162 180) no Hoare annotation was computed. [2020-11-28 02:57:10,155 INFO L274 CegarLoopResult]: For program point L170-2(lines 170 174) no Hoare annotation was computed. [2020-11-28 02:57:10,155 INFO L277 CegarLoopResult]: At program point L204(lines 187 205) the Hoare annotation is: true [2020-11-28 02:57:10,155 INFO L274 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2020-11-28 02:57:10,155 INFO L270 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= ~huge_asin~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2020-11-28 02:57:10,155 INFO L274 CegarLoopResult]: For program point L56(lines 56 57) no Hoare annotation was computed. [2020-11-28 02:57:10,155 INFO L274 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2020-11-28 02:57:10,155 INFO L270 CegarLoopResult]: At program point L23(lines 14 24) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short28| (= (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= .cse0 ULTIMATE.start___signbit_float_~x) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) .cse0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L56-2(lines 56 57) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L270 CegarLoopResult]: At program point L106(lines 94 107) the Hoare annotation is: false [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L75(lines 75 84) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L270 CegarLoopResult]: At program point L92(lines 28 93) the Hoare annotation is: false [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L159(lines 159 180) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L159-2(lines 119 185) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:10,156 INFO L274 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L128(lines 128 148) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L270 CegarLoopResult]: At program point L96-2(lines 96 100) the Hoare annotation is: false [2020-11-28 02:57:10,157 INFO L270 CegarLoopResult]: At program point L64-2(lines 64 73) the Hoare annotation is: false [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L64-3(lines 28 93) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L131(lines 131 148) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L49(lines 49 53) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2020-11-28 02:57:10,157 INFO L274 CegarLoopResult]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2020-11-28 02:57:10,158 INFO L270 CegarLoopResult]: At program point L165-2(lines 165 169) the Hoare annotation is: false [2020-11-28 02:57:10,158 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-28 02:57:10,158 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 37) no Hoare annotation was computed. [2020-11-28 02:57:10,158 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 70) no Hoare annotation was computed. [2020-11-28 02:57:10,158 INFO L270 CegarLoopResult]: At program point L33-2(lines 33 37) the Hoare annotation is: false [2020-11-28 02:57:10,158 INFO L274 CegarLoopResult]: For program point L33-3(lines 33 37) no Hoare annotation was computed. [2020-11-28 02:57:10,158 INFO L274 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2020-11-28 02:57:10,158 INFO L274 CegarLoopResult]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2020-11-28 02:57:10,158 INFO L270 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2020-11-28 02:57:10,158 INFO L270 CegarLoopResult]: At program point L17-2(lines 17 21) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short28| (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= .cse0 ULTIMATE.start___signbit_float_~x) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) [2020-11-28 02:57:10,158 INFO L274 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L133(lines 133 148) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L199-2(lines 199 202) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 148) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L134(lines 134 147) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L101-1(lines 94 107) no Hoare annotation was computed. [2020-11-28 02:57:10,159 INFO L274 CegarLoopResult]: For program point L101-2(lines 101 105) no Hoare annotation was computed. [2020-11-28 02:57:10,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 02:57:10,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 02:57:10,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:10 BoogieIcfgContainer [2020-11-28 02:57:10,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:10,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:10,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:10,213 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:10,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:00" (3/4) ... [2020-11-28 02:57:10,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:10,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-28 02:57:10,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:57:10,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:10,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:10,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2020-11-28 02:57:10,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2020-11-28 02:57:10,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((aux-res == -0.0f && __signbit_float(res) == 1-aux && ~bvadd64(\result, 4294967295bv32) == 0bv32) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2020-11-28 02:57:10,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ade122c5-8022-4b1d-a19e-aed30ca240fe/bin/uautomizer/witness.graphml [2020-11-28 02:57:10,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:10,329 INFO L168 Benchmark]: Toolchain (without parser) took 22681.06 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 50.6 MB in the beginning and 42.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:10,330 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 69.2 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:10,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.52 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 50.3 MB in the end (delta: 223.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:10,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.67 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 47.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:10,335 INFO L168 Benchmark]: Boogie Preprocessor took 100.15 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 45.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:10,336 INFO L168 Benchmark]: RCFGBuilder took 11876.57 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 45.1 MB in the beginning and 59.3 MB in the end (delta: -14.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:10,337 INFO L168 Benchmark]: TraceAbstraction took 10017.75 ms. Allocated memory is still 98.6 MB. Free memory was 58.9 MB in the beginning and 48.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:10,337 INFO L168 Benchmark]: Witness Printer took 114.94 ms. Allocated memory is still 98.6 MB. Free memory was 48.4 MB in the beginning and 42.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:10,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 69.2 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.52 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 50.3 MB in the end (delta: 223.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.67 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 47.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.15 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 45.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11876.57 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 45.1 MB in the beginning and 59.3 MB in the end (delta: -14.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10017.75 ms. Allocated memory is still 98.6 MB. Free memory was 58.9 MB in the beginning and 48.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 114.94 ms. Allocated memory is still 98.6 MB. Free memory was 48.4 MB in the beginning and 42.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant [2020-11-28 02:57:10,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 02:57:10,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((aux-res == -0.0f && __signbit_float(res) == 1-aux && ~bvadd64(\result, 4294967295bv32) == 0bv32) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 119]: Loop Invariant [2020-11-28 02:57:10,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 02:57:10,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 122]: Loop Invariant [2020-11-28 02:57:10,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 02:57:10,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 02:57:10,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 02:57:10,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 516 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 172 HoareAnnotationTreeSize, 13 FomulaSimplifications, 88 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 16357 SizeOfPredicates, 28 NumberOfNonLiveVariables, 393 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...