./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/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 4f5b8c80e48870e4ca371ca121ab1eea2fc8dc5d ........................................................................................................................................................................................................................................................................................................................ 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_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/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 4f5b8c80e48870e4ca371ca121ab1eea2fc8dc5d ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:56:21,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:56:21,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:56:21,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:56:21,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:56:21,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:56:21,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:56:21,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:56:21,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:56:21,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:56:21,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:56:21,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:56:21,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:56:21,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:56:21,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:56:21,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:56:21,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:56:21,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:56:21,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:56:21,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:56:21,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:56:21,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:56:21,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:56:21,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:56:21,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:56:21,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:56:21,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:56:21,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:56:21,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:56:21,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:56:21,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:56:21,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:56:21,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:56:21,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:56:21,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:56:21,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:56:21,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:56:21,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:56:21,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:56:21,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:56:21,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:56:21,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:56:21,860 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:56:21,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:56:21,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:56:21,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:56:21,864 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:56:21,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:56:21,865 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:56:21,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:56:21,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:56:21,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:56:21,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:56:21,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:56:21,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:56:21,870 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:56:21,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:56:21,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:56:21,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:56:21,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:56:21,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:56:21,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:56:21,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:56:21,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:56:21,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:56:21,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:56:21,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:56:21,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:56:21,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:56:21,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:56:21,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:56:21,876 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_54a30705-5316-4245-aed8-87e1fd1ef897/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5b8c80e48870e4ca371ca121ab1eea2fc8dc5d [2020-12-01 15:56:22,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:56:22,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:56:22,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:56:22,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:56:22,277 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:56:22,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-12-01 15:56:22,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/94c23aff7/dfb36a443e45442faea127e0358d6c73/FLAG68b2200b4 [2020-12-01 15:56:23,009 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:56:23,010 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-12-01 15:56:23,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/94c23aff7/dfb36a443e45442faea127e0358d6c73/FLAG68b2200b4 [2020-12-01 15:56:23,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/94c23aff7/dfb36a443e45442faea127e0358d6c73 [2020-12-01 15:56:23,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:56:23,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:56:23,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:23,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:56:23,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:56:23,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33db8d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23, skipping insertion in model container [2020-12-01 15:56:23,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:56:23,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:56:23,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:23,727 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:56:23,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:23,802 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:56:23,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23 WrapperNode [2020-12-01 15:56:23,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:23,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:23,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:56:23,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:56:23,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:23,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:56:23,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:56:23,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:56:23,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... [2020-12-01 15:56:23,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:56:23,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:56:23,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:56:23,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:56:23,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/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 [2020-12-01 15:56:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:56:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:56:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 15:56:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:56:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 15:56:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:56:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:56:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:56:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:56:24,531 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:56:24,531 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-12-01 15:56:24,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:56:24 BoogieIcfgContainer [2020-12-01 15:56:24,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:56:24,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:56:24,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:56:24,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:56:24,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:56:23" (1/3) ... [2020-12-01 15:56:24,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ade398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:56:24, skipping insertion in model container [2020-12-01 15:56:24,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:23" (2/3) ... [2020-12-01 15:56:24,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ade398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:56:24, skipping insertion in model container [2020-12-01 15:56:24,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:56:24" (3/3) ... [2020-12-01 15:56:24,547 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a.c [2020-12-01 15:56:24,567 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:56:24,587 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:56:24,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:56:24,668 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:56:24,668 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:56:24,669 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:56:24,669 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:56:24,669 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:56:24,669 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:56:24,670 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:56:24,670 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:56:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-01 15:56:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 15:56:24,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:56:24,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:56:24,697 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:56:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:56:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-12-01 15:56:24,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:56:24,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969253286] [2020-12-01 15:56:24,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:56:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:56:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:56:24,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969253286] [2020-12-01 15:56:24,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:56:24,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:56:24,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783093991] [2020-12-01 15:56:24,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:56:24,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:56:24,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:56:24,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:56:24,973 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-01 15:56:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:56:24,999 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-12-01 15:56:24,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:56:25,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 15:56:25,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:56:25,014 INFO L225 Difference]: With dead ends: 63 [2020-12-01 15:56:25,014 INFO L226 Difference]: Without dead ends: 29 [2020-12-01 15:56:25,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:56:25,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-01 15:56:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-01 15:56:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-01 15:56:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-12-01 15:56:25,089 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-12-01 15:56:25,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:56:25,090 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-12-01 15:56:25,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:56:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-12-01 15:56:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 15:56:25,094 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:56:25,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:56:25,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:56:25,096 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:56:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:56:25,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-12-01 15:56:25,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:56:25,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323435134] [2020-12-01 15:56:25,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:56:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:56:25,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:56:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:56:25,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:56:25,598 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:56:25,598 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:56:25,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:56:25,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:56:25 BoogieIcfgContainer [2020-12-01 15:56:25,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:56:25,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:56:25,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:56:25,661 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:56:25,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:56:24" (3/4) ... [2020-12-01 15:56:25,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:56:25,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:56:25,666 INFO L168 Benchmark]: Toolchain (without parser) took 2285.77 ms. Allocated memory is still 98.6 MB. Free memory was 63.3 MB in the beginning and 54.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:25,667 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 69.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:56:25,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.70 ms. Allocated memory is still 98.6 MB. Free memory was 63.2 MB in the beginning and 72.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:25,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.94 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 70.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:25,670 INFO L168 Benchmark]: Boogie Preprocessor took 42.24 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 68.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:25,671 INFO L168 Benchmark]: RCFGBuilder took 576.28 ms. Allocated memory is still 98.6 MB. Free memory was 68.9 MB in the beginning and 45.4 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:25,672 INFO L168 Benchmark]: TraceAbstraction took 1122.85 ms. Allocated memory is still 98.6 MB. Free memory was 45.1 MB in the beginning and 55.0 MB in the end (delta: -10.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:56:25,673 INFO L168 Benchmark]: Witness Printer took 4.39 ms. Allocated memory is still 98.6 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:56:25,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 69.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.70 ms. Allocated memory is still 98.6 MB. Free memory was 63.2 MB in the beginning and 72.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.94 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 70.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.24 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 68.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 576.28 ms. Allocated memory is still 98.6 MB. Free memory was 68.9 MB in the beginning and 45.4 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1122.85 ms. Allocated memory is still 98.6 MB. Free memory was 45.1 MB in the beginning and 55.0 MB in the end (delta: -10.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.39 ms. Allocated memory is still 98.6 MB. Free memory is still 54.5 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 bitwiseOr at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L134] double x = 0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L138] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_0910a.c", 3, "reach_error") VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 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=33occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 0.2.0-69874e2 [2020-12-01 15:56:29,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:56:29,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:56:29,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:56:29,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:56:29,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:56:29,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:56:29,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:56:29,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:56:29,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:56:29,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:56:29,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:56:29,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:56:29,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:56:29,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:56:29,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:56:29,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:56:29,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:56:29,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:56:29,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:56:29,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:56:29,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:56:29,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:56:29,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:56:29,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:56:29,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:56:29,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:56:29,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:56:29,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:56:29,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:56:29,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:56:29,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:56:29,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:56:29,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:56:29,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:56:29,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:56:29,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:56:29,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:56:29,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:56:29,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:56:29,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:56:29,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 15:56:29,310 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:56:29,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:56:29,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:56:29,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:56:29,320 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:56:29,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:56:29,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:56:29,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:56:29,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:56:29,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:56:29,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:56:29,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:56:29,324 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:56:29,324 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:56:29,324 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:56:29,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:56:29,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:56:29,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:56:29,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:56:29,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:56:29,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:56:29,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:56:29,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:56:29,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:56:29,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:56:29,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:56:29,328 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:56:29,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:56:29,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:56:29,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:56:29,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:56:29,329 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_54a30705-5316-4245-aed8-87e1fd1ef897/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5b8c80e48870e4ca371ca121ab1eea2fc8dc5d [2020-12-01 15:56:29,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:56:29,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:56:29,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:56:29,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:56:29,921 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:56:29,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-12-01 15:56:30,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/faca59fc4/11e5a34c84054ebca953a0c8ed581ccb/FLAGbbb9132bd [2020-12-01 15:56:30,826 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:56:30,827 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-12-01 15:56:30,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/faca59fc4/11e5a34c84054ebca953a0c8ed581ccb/FLAGbbb9132bd [2020-12-01 15:56:31,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/data/faca59fc4/11e5a34c84054ebca953a0c8ed581ccb [2020-12-01 15:56:31,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:56:31,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:56:31,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:31,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:56:31,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:56:31,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ee336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31, skipping insertion in model container [2020-12-01 15:56:31,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:56:31,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:56:31,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:31,469 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:56:31,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:31,657 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:56:31,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31 WrapperNode [2020-12-01 15:56:31,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:31,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:31,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:56:31,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:56:31,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:31,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:56:31,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:56:31,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:56:31,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... [2020-12-01 15:56:31,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:56:31,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:56:31,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:56:31,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:56:31,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/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 [2020-12-01 15:56:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 15:56:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 15:56:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:56:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:56:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 15:56:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:56:31,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:56:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 15:56:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:57:00,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:57:00,358 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-12-01 15:57:00,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:57:00 BoogieIcfgContainer [2020-12-01 15:57:00,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:57:00,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:57:00,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:57:00,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:57:00,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:56:31" (1/3) ... [2020-12-01 15:57:00,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a357c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:57:00, skipping insertion in model container [2020-12-01 15:57:00,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:31" (2/3) ... [2020-12-01 15:57:00,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a357c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:57:00, skipping insertion in model container [2020-12-01 15:57:00,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:57:00" (3/3) ... [2020-12-01 15:57:00,373 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a.c [2020-12-01 15:57:00,392 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:57:00,397 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:57:00,413 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:57:00,447 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:57:00,447 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:57:00,447 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:57:00,448 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:57:00,448 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:57:00,448 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:57:00,448 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:57:00,449 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:57:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-01 15:57:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 15:57:00,482 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:57:00,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:57:00,483 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:57:00,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:57:00,491 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-12-01 15:57:00,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:57:00,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312163644] [2020-12-01 15:57:00,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/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 [2020-12-01 15:57:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:57:01,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 15:57:02,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:57:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:57:02,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:57:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:57:02,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312163644] [2020-12-01 15:57:02,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:57:02,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 15:57:02,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648850150] [2020-12-01 15:57:02,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:57:02,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:57:02,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:57:02,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:57:02,087 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-01 15:57:02,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:57:02,110 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-12-01 15:57:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:57:02,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 15:57:02,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:57:02,125 INFO L225 Difference]: With dead ends: 63 [2020-12-01 15:57:02,125 INFO L226 Difference]: Without dead ends: 29 [2020-12-01 15:57:02,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:57:02,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-01 15:57:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-01 15:57:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-01 15:57:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-12-01 15:57:02,182 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-12-01 15:57:02,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:57:02,182 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-12-01 15:57:02,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:57:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-12-01 15:57:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 15:57:02,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:57:02,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:57:02,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:57:02,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:57:02,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:57:02,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-12-01 15:57:02,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:57:02,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331480085] [2020-12-01 15:57:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/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 [2020-12-01 15:57:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:57:03,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:57:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:57:05,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:57:05,630 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 15:57:05,633 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:57:05,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 15:57:05,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:57:05 BoogieIcfgContainer [2020-12-01 15:57:05,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:57:05,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:57:05,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:57:05,954 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:57:05,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:57:00" (3/4) ... [2020-12-01 15:57:05,957 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 15:57:06,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_54a30705-5316-4245-aed8-87e1fd1ef897/bin/uautomizer/witness.graphml [2020-12-01 15:57:06,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:57:06,084 INFO L168 Benchmark]: Toolchain (without parser) took 34931.75 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 37.3 MB in the beginning and 51.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:06,084 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 39.9 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:57:06,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.44 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 40.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:06,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.87 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 38.6 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:57:06,087 INFO L168 Benchmark]: Boogie Preprocessor took 55.94 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 36.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:06,087 INFO L168 Benchmark]: RCFGBuilder took 28571.38 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.6 MB in the beginning and 38.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:06,088 INFO L168 Benchmark]: TraceAbstraction took 5589.09 ms. Allocated memory is still 73.4 MB. Free memory was 38.3 MB in the beginning and 31.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:06,089 INFO L168 Benchmark]: Witness Printer took 122.38 ms. Allocated memory is still 73.4 MB. Free memory was 31.6 MB in the beginning and 51.3 MB in the end (delta: -19.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:06,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 39.9 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 512.44 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 40.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.87 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 38.6 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.94 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 36.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 28571.38 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.6 MB in the beginning and 38.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5589.09 ms. Allocated memory is still 73.4 MB. Free memory was 38.3 MB in the beginning and 31.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Witness Printer took 122.38 ms. Allocated memory is still 73.4 MB. Free memory was 31.6 MB in the beginning and 51.3 MB in the end (delta: -19.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L134] double x = 0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L138] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_0910a.c", 3, "reach_error") VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 2.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...