./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 07cf728e594e227dafc07e33770c9952635c513c ......................................................................................................................................................................................................................................................................................................... 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_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 07cf728e594e227dafc07e33770c9952635c513c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:31:10,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:31:10,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:31:10,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:31:10,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:31:10,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:31:10,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:31:10,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:31:10,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:31:10,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:31:10,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:31:10,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:31:10,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:31:10,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:31:10,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:31:10,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:31:10,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:31:10,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:31:10,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:31:10,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:31:10,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:31:10,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:31:10,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:31:10,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:31:10,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:31:10,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:31:10,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:31:10,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:31:10,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:31:10,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:31:10,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:31:10,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:31:10,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:31:10,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:31:10,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:31:10,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:31:10,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:31:10,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:31:10,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:31:10,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:31:10,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:31:10,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:31:10,829 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:31:10,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:31:10,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:31:10,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:31:10,832 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:31:10,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:31:10,833 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:31:10,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:31:10,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:31:10,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:31:10,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:31:10,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:31:10,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:31:10,836 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:31:10,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:31:10,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:31:10,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:31:10,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:31:10,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:31:10,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:31:10,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:31:10,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:31:10,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:31:10,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:31:10,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:31:10,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:31:10,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:31:10,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:31:10,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:31:10,841 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_e09beb35-7082-48cd-94c5-d6780a249b0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-11-30 00:31:11,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:31:11,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:31:11,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:31:11,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:31:11,238 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:31:11,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-30 00:31:11,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/d9389785a/3d79a907dabc4f4085360d253d27ab61/FLAGeea920106 [2020-11-30 00:31:11,861 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:31:11,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-30 00:31:11,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/d9389785a/3d79a907dabc4f4085360d253d27ab61/FLAGeea920106 [2020-11-30 00:31:12,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/d9389785a/3d79a907dabc4f4085360d253d27ab61 [2020-11-30 00:31:12,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:31:12,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:31:12,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:12,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:31:12,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:31:12,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507fe8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12, skipping insertion in model container [2020-11-30 00:31:12,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:31:12,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:31:12,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:12,538 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:31:12,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:12,615 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:31:12,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12 WrapperNode [2020-11-30 00:31:12,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:12,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:12,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:31:12,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:31:12,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:12,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:31:12,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:31:12,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:31:12,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:31:12,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:31:12,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:31:12,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:31:12,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 [2020-11-30 00:31:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:31:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:31:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:31:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:31:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:31:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:31:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:31:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:31:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 00:31:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:31:13,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:31:13,657 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-30 00:31:13,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:13 BoogieIcfgContainer [2020-11-30 00:31:13,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:31:13,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:31:13,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:31:13,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:31:13,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:31:12" (1/3) ... [2020-11-30 00:31:13,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1f095b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:13, skipping insertion in model container [2020-11-30 00:31:13,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12" (2/3) ... [2020-11-30 00:31:13,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1f095b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:13, skipping insertion in model container [2020-11-30 00:31:13,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:13" (3/3) ... [2020-11-30 00:31:13,674 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-11-30 00:31:13,688 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:31:13,694 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:31:13,708 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:31:13,735 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:31:13,736 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:31:13,736 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:31:13,736 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:31:13,736 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:31:13,736 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:31:13,736 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:31:13,736 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:31:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-11-30 00:31:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:31:13,758 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:13,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:13,760 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:13,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:13,767 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-11-30 00:31:13,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:13,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105859658] [2020-11-30 00:31:13,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:13,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105859658] [2020-11-30 00:31:13,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:13,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:13,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363497118] [2020-11-30 00:31:13,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:31:13,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:13,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:31:13,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:31:13,999 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-11-30 00:31:14,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:14,042 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-11-30 00:31:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:31:14,043 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 00:31:14,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:14,067 INFO L225 Difference]: With dead ends: 94 [2020-11-30 00:31:14,067 INFO L226 Difference]: Without dead ends: 44 [2020-11-30 00:31:14,071 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 [2020-11-30 00:31:14,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-30 00:31:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-30 00:31:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 00:31:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-11-30 00:31:14,119 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-11-30 00:31:14,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:14,120 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-11-30 00:31:14,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:31:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-30 00:31:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:31:14,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:14,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:14,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:31:14,125 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:14,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:14,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-11-30 00:31:14,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:14,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185348184] [2020-11-30 00:31:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:14,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:14,376 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:14,413 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:14,414 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:31:14,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:31:14,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:31:14 BoogieIcfgContainer [2020-11-30 00:31:14,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:31:14,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:31:14,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:31:14,488 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:31:14,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:13" (3/4) ... [2020-11-30 00:31:14,493 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:31:14,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:31:14,498 INFO L168 Benchmark]: Toolchain (without parser) took 2275.09 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.7 MB in the beginning and 71.5 MB in the end (delta: -18.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:14,500 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:14,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.07 ms. Allocated memory is still 90.2 MB. Free memory was 52.6 MB in the beginning and 40.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:14,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.73 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 40.6 MB in the beginning and 87.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:14,504 INFO L168 Benchmark]: Boogie Preprocessor took 65.36 ms. Allocated memory is still 109.1 MB. Free memory was 87.3 MB in the beginning and 86.6 MB in the end (delta: 776.7 kB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:14,506 INFO L168 Benchmark]: RCFGBuilder took 901.35 ms. Allocated memory is still 109.1 MB. Free memory was 86.6 MB in the beginning and 60.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:14,507 INFO L168 Benchmark]: TraceAbstraction took 824.69 ms. Allocated memory is still 109.1 MB. Free memory was 60.4 MB in the beginning and 71.5 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:14,508 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 109.1 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:14,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.07 ms. Allocated memory is still 90.2 MB. Free memory was 52.6 MB in the beginning and 40.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.73 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 40.6 MB in the beginning and 87.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.36 ms. Allocated memory is still 109.1 MB. Free memory was 87.3 MB in the beginning and 86.6 MB in the end (delta: 776.7 kB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 901.35 ms. Allocated memory is still 109.1 MB. Free memory was 86.6 MB in the beginning and 60.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 824.69 ms. Allocated memory is still 109.1 MB. Free memory was 60.4 MB in the beginning and 71.5 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.65 ms. Allocated memory is still 109.1 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L128] float x = 0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L133] float res = fmod_float(x, y); [L136] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={9:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_1130a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 65 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=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2020-11-30 00:31:17,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:31:17,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:31:17,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:31:17,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:31:17,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:31:17,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:31:17,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:31:17,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:31:17,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:31:17,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:31:17,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:31:17,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:31:17,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:31:17,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:31:17,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:31:17,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:31:17,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:31:17,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:31:17,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:31:17,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:31:17,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:31:17,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:31:17,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:31:17,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:31:17,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:31:17,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:31:17,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:31:17,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:31:17,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:31:17,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:31:17,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:31:17,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:31:17,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:31:17,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:31:17,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:31:17,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:31:17,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:31:17,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:31:17,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:31:17,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:31:17,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:31:17,730 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:31:17,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:31:17,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:31:17,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:31:17,733 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:31:17,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:31:17,734 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:31:17,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:31:17,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:31:17,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:31:17,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:31:17,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:31:17,737 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:31:17,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:31:17,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:31:17,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:31:17,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:31:17,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:31:17,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:31:17,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:31:17,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:31:17,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:31:17,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:31:17,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:31:17,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:31:17,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:31:17,741 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:31:17,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:31:17,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:31:17,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:31:17,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:31:17,743 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_e09beb35-7082-48cd-94c5-d6780a249b0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-11-30 00:31:18,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:31:18,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:31:18,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:31:18,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:31:18,273 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:31:18,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-30 00:31:18,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/66bb322e6/0b864b00d83b430fb45be1428c129875/FLAGd1879e615 [2020-11-30 00:31:19,070 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:31:19,072 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-30 00:31:19,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/66bb322e6/0b864b00d83b430fb45be1428c129875/FLAGd1879e615 [2020-11-30 00:31:19,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/data/66bb322e6/0b864b00d83b430fb45be1428c129875 [2020-11-30 00:31:19,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:31:19,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:31:19,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:19,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:31:19,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:31:19,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dba6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19, skipping insertion in model container [2020-11-30 00:31:19,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:31:19,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:31:19,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:19,704 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:31:19,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:19,796 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:31:19,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19 WrapperNode [2020-11-30 00:31:19,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:19,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:19,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:31:19,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:31:19,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:19,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:31:19,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:31:19,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:31:19,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... [2020-11-30 00:31:19,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:31:19,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:31:19,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:31:19,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:31:19,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 [2020-11-30 00:31:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 00:31:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:31:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:31:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 00:31:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:31:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:31:20,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:31:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 00:31:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:31:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:31:23,233 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:31:23,235 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-30 00:31:23,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:23 BoogieIcfgContainer [2020-11-30 00:31:23,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:31:23,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:31:23,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:31:23,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:31:23,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:31:19" (1/3) ... [2020-11-30 00:31:23,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a39ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:23, skipping insertion in model container [2020-11-30 00:31:23,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:19" (2/3) ... [2020-11-30 00:31:23,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a39ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:23, skipping insertion in model container [2020-11-30 00:31:23,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:23" (3/3) ... [2020-11-30 00:31:23,256 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-11-30 00:31:23,271 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:31:23,276 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:31:23,291 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:31:23,323 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:31:23,323 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:31:23,324 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:31:23,324 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:31:23,324 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:31:23,324 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:31:23,324 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:31:23,324 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:31:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-11-30 00:31:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:31:23,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:23,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:23,345 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:23,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:23,352 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-11-30 00:31:23,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:23,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85570712] [2020-11-30 00:31:23,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 [2020-11-30 00:31:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:23,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:31:23,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:23,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:23,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85570712] [2020-11-30 00:31:23,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:23,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:31:23,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749371445] [2020-11-30 00:31:23,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:31:23,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:23,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:31:23,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:31:23,949 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-11-30 00:31:23,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:23,977 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-11-30 00:31:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:31:23,979 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 00:31:23,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:23,992 INFO L225 Difference]: With dead ends: 94 [2020-11-30 00:31:23,992 INFO L226 Difference]: Without dead ends: 44 [2020-11-30 00:31:23,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:31:24,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-30 00:31:24,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-30 00:31:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 00:31:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-11-30 00:31:24,043 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-11-30 00:31:24,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:24,043 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-11-30 00:31:24,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:31:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-30 00:31:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:31:24,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:24,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:24,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:31:24,259 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:24,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:24,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-11-30 00:31:24,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:24,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302951946] [2020-11-30 00:31:24,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 [2020-11-30 00:31:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:24,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-30 00:31:24,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:24,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:31:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:25,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:25,122 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-30 00:31:25,364 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-30 00:31:25,576 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-30 00:31:25,590 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-30 00:31:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:25,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302951946] [2020-11-30 00:31:25,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:25,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-30 00:31:25,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784096458] [2020-11-30 00:31:25,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-30 00:31:25,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:25,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-30 00:31:25,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-30 00:31:25,678 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2020-11-30 00:31:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:26,097 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2020-11-30 00:31:26,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:31:26,099 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-11-30 00:31:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:26,102 INFO L225 Difference]: With dead ends: 53 [2020-11-30 00:31:26,103 INFO L226 Difference]: Without dead ends: 19 [2020-11-30 00:31:26,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-11-30 00:31:26,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-30 00:31:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-30 00:31:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 00:31:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-30 00:31:26,120 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2020-11-30 00:31:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:26,121 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-30 00:31:26,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-30 00:31:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-30 00:31:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:31:26,122 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:26,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:26,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:31:26,336 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:26,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:26,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2020-11-30 00:31:26,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:26,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379627894] [2020-11-30 00:31:26,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 [2020-11-30 00:31:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:26,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 00:31:26,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:26,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:26,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379627894] [2020-11-30 00:31:26,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:26,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-11-30 00:31:26,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908239062] [2020-11-30 00:31:26,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:31:26,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:26,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:31:26,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:31:26,633 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-11-30 00:31:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:26,783 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-30 00:31:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:31:26,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-11-30 00:31:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:26,788 INFO L225 Difference]: With dead ends: 22 [2020-11-30 00:31:26,788 INFO L226 Difference]: Without dead ends: 19 [2020-11-30 00:31:26,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-30 00:31:26,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-30 00:31:26,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-30 00:31:26,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 00:31:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-30 00:31:26,794 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-11-30 00:31:26,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:26,794 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-30 00:31:26,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:31:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-30 00:31:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:31:26,795 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:26,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:26,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:31:26,997 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:26,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:26,997 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2020-11-30 00:31:26,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:26,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212952091] [2020-11-30 00:31:26,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/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 [2020-11-30 00:31:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:27,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 00:31:27,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:27,259 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:31:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:27,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:27,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212952091] [2020-11-30 00:31:27,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:27,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-11-30 00:31:27,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360772395] [2020-11-30 00:31:27,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-30 00:31:27,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:27,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-30 00:31:27,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-11-30 00:31:27,659 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2020-11-30 00:31:28,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:28,063 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-30 00:31:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:31:28,064 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2020-11-30 00:31:28,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:28,065 INFO L225 Difference]: With dead ends: 19 [2020-11-30 00:31:28,065 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:31:28,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-11-30 00:31:28,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:31:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:31:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:31:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:31:28,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-30 00:31:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:28,083 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:31:28,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-30 00:31:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:31:28,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:31:28,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:31:28,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:31:28,605 INFO L274 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-11-30 00:31:28,605 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-11-30 00:31:28,605 INFO L274 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-11-30 00:31:28,605 INFO L274 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-11-30 00:31:28,606 INFO L270 CegarLoopResult]: At program point L118(lines 109 119) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) (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))) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short24| (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))) [2020-11-30 00:31:28,606 INFO L274 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-11-30 00:31:28,606 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-11-30 00:31:28,606 INFO L270 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-11-30 00:31:28,606 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:31:28,606 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:31:28,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:31:28,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:31:28,607 INFO L274 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-11-30 00:31:28,607 INFO L274 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-11-30 00:31:28,607 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-30 00:31:28,607 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-11-30 00:31:28,607 INFO L274 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-11-30 00:31:28,608 INFO L274 CegarLoopResult]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2020-11-30 00:31:28,608 INFO L270 CegarLoopResult]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short24|) [2020-11-30 00:31:28,608 INFO L274 CegarLoopResult]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2020-11-30 00:31:28,608 INFO L274 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-11-30 00:31:28,608 INFO L274 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-11-30 00:31:28,608 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-11-30 00:31:28,609 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2020-11-30 00:31:28,609 INFO L274 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-11-30 00:31:28,609 INFO L274 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-11-30 00:31:28,609 INFO L270 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24))))) [2020-11-30 00:31:28,609 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-11-30 00:31:28,609 INFO L274 CegarLoopResult]: For program point L131(lines 131 140) no Hoare annotation was computed. [2020-11-30 00:31:28,610 INFO L274 CegarLoopResult]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2020-11-30 00:31:28,610 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:31:28,610 INFO L274 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-11-30 00:31:28,610 INFO L270 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-11-30 00:31:28,610 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:31:28,610 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-11-30 00:31:28,614 INFO L270 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-11-30 00:31:28,614 INFO L274 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-11-30 00:31:28,614 INFO L270 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-11-30 00:31:28,614 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:31:28,615 INFO L274 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-11-30 00:31:28,615 INFO L274 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-11-30 00:31:28,615 INFO L274 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-11-30 00:31:28,615 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-11-30 00:31:28,617 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-11-30 00:31:28,617 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-11-30 00:31:28,617 INFO L274 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-11-30 00:31:28,617 INFO L277 CegarLoopResult]: At program point L142(lines 121 143) the Hoare annotation is: true [2020-11-30 00:31:28,617 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-11-30 00:31:28,618 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-11-30 00:31:28,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:31:28 BoogieIcfgContainer [2020-11-30 00:31:28,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:31:28,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:31:28,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:31:28,702 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:31:28,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:23" (3/4) ... [2020-11-30 00:31:28,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:31:28,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 00:31:28,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-30 00:31:28,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:31:28,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:31:28,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e09beb35-7082-48cd-94c5-d6780a249b0e/bin/uautomizer/witness.graphml [2020-11-30 00:31:28,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:31:28,798 INFO L168 Benchmark]: Toolchain (without parser) took 9416.99 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 52.8 MB in the end (delta: -112.8 kB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:28,798 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:28,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.45 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 50.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:28,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.42 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:28,804 INFO L168 Benchmark]: Boogie Preprocessor took 49.75 ms. Allocated memory is still 71.3 MB. Free memory was 48.7 MB in the beginning and 46.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:28,805 INFO L168 Benchmark]: RCFGBuilder took 3329.05 ms. Allocated memory is still 71.3 MB. Free memory was 46.5 MB in the beginning and 40.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:28,808 INFO L168 Benchmark]: TraceAbstraction took 5458.01 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 39.6 MB in the beginning and 55.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:28,810 INFO L168 Benchmark]: Witness Printer took 93.60 ms. Allocated memory is still 98.6 MB. Free memory was 55.8 MB in the beginning and 52.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:28,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 413.45 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 50.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.42 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.75 ms. Allocated memory is still 71.3 MB. Free memory was 48.7 MB in the beginning and 46.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3329.05 ms. Allocated memory is still 71.3 MB. Free memory was 46.5 MB in the beginning and 40.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5458.01 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 39.6 MB in the beginning and 55.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 93.60 ms. Allocated memory is still 98.6 MB. Free memory was 55.8 MB in the beginning and 52.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 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[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * 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: 19]: Loop Invariant [2020-11-30 00:31:28,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 109]: Loop Invariant [2020-11-30 00:31:28,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant [2020-11-30 00:31:28,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-30 00:31:28,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-30 00:31:28,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 170 SDslu, 108 SDs, 0 SdLazy, 70 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 200 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...