./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.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_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/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 c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 ........................................................................................................................................................................................................................................................................................................................ 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_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/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 c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 ..................................................................................................................................................................................................................................................................................................................................... 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-a4ecdab [2020-11-28 02:59:10,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:10,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:10,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:10,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:10,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:10,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:10,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:10,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:10,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:10,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:10,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:10,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:10,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:10,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:10,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:10,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:10,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:10,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:10,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:10,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:10,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:10,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:10,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:10,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:10,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:10,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:10,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:10,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:10,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:10,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:10,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:10,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:10,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:10,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:10,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:10,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:10,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:10,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:10,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:10,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:10,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:59:11,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:11,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:11,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:11,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:11,034 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:11,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:11,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:11,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:11,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:11,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:11,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:11,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:11,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:11,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:11,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:11,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:11,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:11,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:11,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:11,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:11,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:11,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:11,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:11,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:11,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:11,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:11,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:11,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:11,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:11,039 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_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 [2020-11-28 02:59:11,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:11,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:11,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:11,295 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:11,296 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:11,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-28 02:59:11,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/cc0c4c444/decb3d4ac2f749d79d5aabda333dfc20/FLAG1a678d591 [2020-11-28 02:59:11,881 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:11,882 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-28 02:59:11,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/cc0c4c444/decb3d4ac2f749d79d5aabda333dfc20/FLAG1a678d591 [2020-11-28 02:59:12,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/cc0c4c444/decb3d4ac2f749d79d5aabda333dfc20 [2020-11-28 02:59:12,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:12,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:12,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:12,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:12,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:12,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420dc4bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12, skipping insertion in model container [2020-11-28 02:59:12,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:12,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:12,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:12,537 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:12,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:12,629 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:12,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12 WrapperNode [2020-11-28 02:59:12,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:12,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:12,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:12,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:12,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:12,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:12,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:12,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:12,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:12,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:12,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:12,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:12,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 02:59:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:59:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 02:59:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:59:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:59:13,510 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:13,511 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 02:59:13,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:13 BoogieIcfgContainer [2020-11-28 02:59:13,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:13,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:13,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:13,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:13,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:12" (1/3) ... [2020-11-28 02:59:13,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394e9d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:13, skipping insertion in model container [2020-11-28 02:59:13,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12" (2/3) ... [2020-11-28 02:59:13,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394e9d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:13, skipping insertion in model container [2020-11-28 02:59:13,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:13" (3/3) ... [2020-11-28 02:59:13,531 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2020-11-28 02:59:13,542 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:13,546 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:59:13,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:59:13,589 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:13,589 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:13,589 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:13,590 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:13,590 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:13,590 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:13,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:13,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-28 02:59:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:59:13,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:13,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:13,613 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:13,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:13,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-11-28 02:59:13,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:13,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303603756] [2020-11-28 02:59:13,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:13,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303603756] [2020-11-28 02:59:13,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:13,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:13,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440726844] [2020-11-28 02:59:13,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:59:13,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:13,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:59:13,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:59:13,801 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-28 02:59:13,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:13,818 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-11-28 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:59:13,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-28 02:59:13,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:13,828 INFO L225 Difference]: With dead ends: 63 [2020-11-28 02:59:13,828 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 02:59:13,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:59:13,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 02:59:13,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 02:59:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 02:59:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-28 02:59:13,864 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-11-28 02:59:13,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:13,864 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-28 02:59:13,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:59:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-28 02:59:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 02:59:13,865 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:13,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:13,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:13,866 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:13,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:13,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-11-28 02:59:13,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:13,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512120153] [2020-11-28 02:59:13,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:14,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:14,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:14,179 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:14,179 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:59:14,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:14,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:14 BoogieIcfgContainer [2020-11-28 02:59:14,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:14,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:14,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:14,226 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:14,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:13" (3/4) ... [2020-11-28 02:59:14,230 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:59:14,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:14,232 INFO L168 Benchmark]: Toolchain (without parser) took 2042.60 ms. Allocated memory is still 130.0 MB. Free memory was 101.2 MB in the beginning and 95.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:14,233 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:14,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.58 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 104.9 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:14,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.06 ms. Allocated memory is still 130.0 MB. Free memory was 104.9 MB in the beginning and 102.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:14,235 INFO L168 Benchmark]: Boogie Preprocessor took 39.06 ms. Allocated memory is still 130.0 MB. Free memory was 102.9 MB in the beginning and 101.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:14,236 INFO L168 Benchmark]: RCFGBuilder took 773.71 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:14,237 INFO L168 Benchmark]: TraceAbstraction took 709.40 ms. Allocated memory is still 130.0 MB. Free memory was 77.3 MB in the beginning and 95.4 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:14,237 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 130.0 MB. Free memory is still 95.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:14,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.58 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 104.9 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.06 ms. Allocated memory is still 130.0 MB. Free memory was 104.9 MB in the beginning and 102.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.06 ms. Allocated memory is still 130.0 MB. Free memory was 102.9 MB in the beginning and 101.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 773.71 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 709.40 ms. Allocated memory is still 130.0 MB. Free memory was 77.3 MB in the beginning and 95.4 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.45 ms. Allocated memory is still 130.0 MB. Free memory is still 95.4 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 someUnaryDOUBLEoperation at line 134, 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_0910b.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: 0.5s, 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, 0.1s 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-a4ecdab [2020-11-28 02:59:16,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:16,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:16,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:16,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:16,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:16,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:16,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:16,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:16,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:16,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:16,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:16,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:16,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:16,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:16,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:16,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:16,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:16,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:16,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:16,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:16,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:16,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:16,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:16,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-28 02:59:16,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:16,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:16,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:16,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:16,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:16,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:16,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:16,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:16,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:16,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:16,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:16,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 02:59:16,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:16,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:16,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:16,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:16,962 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:16,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:16,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:16,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:16,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:16,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:16,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:16,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:16,965 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 02:59:16,965 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 02:59:16,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:16,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:16,966 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:16,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:16,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:16,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:16,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:16,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:16,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:16,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:16,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:16,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:16,979 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 02:59:16,980 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 02:59:16,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:16,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:16,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 02:59:16,981 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_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 [2020-11-28 02:59:17,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:17,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:17,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:17,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:17,491 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:17,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-28 02:59:17,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/8516f599d/c2c70682a43d462db15323aa68e5525d/FLAG6dc44d53c [2020-11-28 02:59:18,142 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:18,143 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-28 02:59:18,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/8516f599d/c2c70682a43d462db15323aa68e5525d/FLAG6dc44d53c [2020-11-28 02:59:18,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/data/8516f599d/c2c70682a43d462db15323aa68e5525d [2020-11-28 02:59:18,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:18,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:18,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:18,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:18,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:18,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3d1340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18, skipping insertion in model container [2020-11-28 02:59:18,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:18,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:18,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:18,722 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:18,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:18,816 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:18,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18 WrapperNode [2020-11-28 02:59:18,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:18,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:18,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:18,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:18,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:18,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:18,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:18,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:18,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:18,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:19,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:19,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... [2020-11-28 02:59:19,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:19,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:19,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:19,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:19,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 02:59:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-28 02:59:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 02:59:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 02:59:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 02:59:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:59:44,110 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:44,110 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 02:59:44,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:44 BoogieIcfgContainer [2020-11-28 02:59:44,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:44,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:44,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:44,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:44,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:18" (1/3) ... [2020-11-28 02:59:44,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3dd4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:44, skipping insertion in model container [2020-11-28 02:59:44,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:18" (2/3) ... [2020-11-28 02:59:44,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3dd4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:44, skipping insertion in model container [2020-11-28 02:59:44,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:44" (3/3) ... [2020-11-28 02:59:44,123 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2020-11-28 02:59:44,137 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:44,142 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:59:44,157 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:59:44,187 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:44,188 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:44,188 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:44,188 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:44,188 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:44,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:44,189 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:44,189 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-28 02:59:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:59:44,210 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:44,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:44,212 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:44,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-11-28 02:59:44,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:59:44,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509952034] [2020-11-28 02:59:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 02:59:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:45,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 02:59:45,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:59:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:45,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:59:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:45,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509952034] [2020-11-28 02:59:45,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:45,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 02:59:45,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036404393] [2020-11-28 02:59:45,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:59:45,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:59:45,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:59:45,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:59:45,624 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-28 02:59:45,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:45,648 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-11-28 02:59:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:59:45,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-28 02:59:45,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:45,661 INFO L225 Difference]: With dead ends: 63 [2020-11-28 02:59:45,661 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 02:59:45,664 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 [2020-11-28 02:59:45,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 02:59:45,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 02:59:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 02:59:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-28 02:59:45,705 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-11-28 02:59:45,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:45,706 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-28 02:59:45,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:59:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-28 02:59:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 02:59:45,707 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:45,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:45,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 02:59:45,924 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:45,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:45,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-11-28 02:59:45,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:59:45,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012172468] [2020-11-28 02:59:45,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 02:59:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:47,427 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:48,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:48,980 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 02:59:48,980 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:59:49,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 02:59:49,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:49 BoogieIcfgContainer [2020-11-28 02:59:49,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:49,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:49,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:49,248 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:49,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:44" (3/4) ... [2020-11-28 02:59:49,251 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 02:59:49,329 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6c2b7acf-9ac2-43c8-ba2e-69e33dc23c5b/bin/uautomizer/witness.graphml [2020-11-28 02:59:49,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:49,331 INFO L168 Benchmark]: Toolchain (without parser) took 30864.70 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 48.2 MB in the beginning and 53.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:49,332 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 65.0 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:49,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.47 ms. Allocated memory is still 65.0 MB. Free memory was 48.0 MB in the beginning and 48.7 MB in the end (delta: -634.2 kB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:49,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.23 ms. Allocated memory is still 65.0 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. [2020-11-28 02:59:49,334 INFO L168 Benchmark]: Boogie Preprocessor took 86.31 ms. Allocated memory is still 65.0 MB. Free memory was 46.4 MB in the beginning and 44.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:49,335 INFO L168 Benchmark]: RCFGBuilder took 25071.20 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 40.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:49,336 INFO L168 Benchmark]: TraceAbstraction took 5133.03 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.3 MB in the beginning and 56.7 MB in the end (delta: -16.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:49,336 INFO L168 Benchmark]: Witness Printer took 81.12 ms. Allocated memory is still 79.7 MB. Free memory was 56.7 MB in the beginning and 53.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:49,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 65.0 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.47 ms. Allocated memory is still 65.0 MB. Free memory was 48.0 MB in the beginning and 48.7 MB in the end (delta: -634.2 kB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.23 ms. Allocated memory is still 65.0 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. * Boogie Preprocessor took 86.31 ms. Allocated memory is still 65.0 MB. Free memory was 46.4 MB in the beginning and 44.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 25071.20 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 40.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5133.03 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.3 MB in the beginning and 56.7 MB in the end (delta: -16.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Witness Printer took 81.12 ms. Allocated memory is still 79.7 MB. Free memory was 56.7 MB in the beginning and 53.0 MB in the end (delta: 3.6 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_0910b.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: 4.9s, 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, 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: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.0s 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...