./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_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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 [2020-11-29 19:22:21,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:22:21,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:22:22,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:22:22,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:22:22,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:22:22,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:22:22,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:22:22,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:22:22,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:22:22,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:22:22,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:22:22,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:22:22,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:22:22,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:22:22,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:22:22,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:22:22,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:22:22,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:22:22,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:22:22,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:22:22,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:22:22,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:22:22,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:22:22,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:22:22,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:22:22,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:22:22,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:22:22,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:22:22,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:22:22,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:22:22,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:22:22,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:22:22,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:22:22,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:22:22,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:22:22,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:22:22,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:22:22,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:22:22,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:22:22,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:22:22,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:22:22,185 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:22:22,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:22:22,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:22:22,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:22:22,189 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:22:22,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:22:22,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:22:22,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:22:22,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:22:22,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:22:22,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:22:22,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:22:22,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:22:22,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:22:22,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:22:22,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:22:22,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:22:22,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:22:22,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:22:22,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:22:22,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:22:22,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:22:22,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:22:22,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:22:22,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:22:22,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:22:22,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:22:22,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:22:22,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:22:22,196 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_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 [2020-11-29 19:22:22,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:22:22,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:22:22,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:22:22,530 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:22:22,534 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:22:22,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-29 19:22:22,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/50222d978/1726465096f04b0a9bc2405e5e0efca1/FLAGf5176b6f1 [2020-11-29 19:22:23,300 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:22:23,301 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-29 19:22:23,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/50222d978/1726465096f04b0a9bc2405e5e0efca1/FLAGf5176b6f1 [2020-11-29 19:22:23,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/50222d978/1726465096f04b0a9bc2405e5e0efca1 [2020-11-29 19:22:23,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:22:23,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:22:23,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:23,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:22:23,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:22:23,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:23" (1/1) ... [2020-11-29 19:22:23,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f004d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:23, skipping insertion in model container [2020-11-29 19:22:23,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:23" (1/1) ... [2020-11-29 19:22:23,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:22:23,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:22:24,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:24,023 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:22:24,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:24,091 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:22:24,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24 WrapperNode [2020-11-29 19:22:24,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:24,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:24,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:22:24,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:22:24,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:24,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:22:24,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:22:24,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:22:24,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... [2020-11-29 19:22:24,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:22:24,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:22:24,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:22:24,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:22:24,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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 [2020-11-29 19:22:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:22:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:22:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 19:22:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:22:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 19:22:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:22:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:22:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:22:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:22:24,890 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:22:24,890 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 19:22:24,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:24 BoogieIcfgContainer [2020-11-29 19:22:24,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:22:24,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:22:24,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:22:24,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:22:24,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:22:23" (1/3) ... [2020-11-29 19:22:24,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a24647a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:24, skipping insertion in model container [2020-11-29 19:22:24,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:24" (2/3) ... [2020-11-29 19:22:24,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a24647a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:24, skipping insertion in model container [2020-11-29 19:22:24,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:24" (3/3) ... [2020-11-29 19:22:24,908 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2020-11-29 19:22:24,922 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:22:24,927 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:22:24,942 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:22:24,982 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:22:24,982 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:22:24,982 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:22:24,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:22:24,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:22:24,983 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:22:24,983 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:22:24,983 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:22:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-29 19:22:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:22:25,005 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:25,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:25,007 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:25,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:25,016 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-11-29 19:22:25,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:25,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957023980] [2020-11-29 19:22:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:25,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957023980] [2020-11-29 19:22:25,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:25,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:22:25,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226664387] [2020-11-29 19:22:25,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:22:25,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:25,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:22:25,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:22:25,236 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-29 19:22:25,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:25,271 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-11-29 19:22:25,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:22:25,273 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-29 19:22:25,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:25,298 INFO L225 Difference]: With dead ends: 63 [2020-11-29 19:22:25,310 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 19:22:25,314 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 [2020-11-29 19:22:25,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 19:22:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-29 19:22:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 19:22:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-29 19:22:25,355 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-11-29 19:22:25,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:25,356 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-29 19:22:25,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:22:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-29 19:22:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:22:25,358 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:25,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:25,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:22:25,359 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:25,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:25,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-11-29 19:22:25,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:25,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710833077] [2020-11-29 19:22:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:22:25,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:22:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:22:25,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:22:25,702 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:22:25,703 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:22:25,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:22:25,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:22:25 BoogieIcfgContainer [2020-11-29 19:22:25,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:22:25,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:22:25,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:22:25,767 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:22:25,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:24" (3/4) ... [2020-11-29 19:22:25,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:22:25,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:22:25,782 INFO L168 Benchmark]: Toolchain (without parser) took 2123.93 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 35.9 MB in the end (delta: 49.9 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:25,784 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 75.5 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 32.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:22:25,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.46 ms. Allocated memory is still 119.5 MB. Free memory was 85.6 MB in the beginning and 92.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:25,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.78 ms. Allocated memory is still 119.5 MB. Free memory was 92.5 MB in the beginning and 90.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:25,788 INFO L168 Benchmark]: Boogie Preprocessor took 41.92 ms. Allocated memory is still 119.5 MB. Free memory was 90.5 MB in the beginning and 89.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:25,789 INFO L168 Benchmark]: RCFGBuilder took 687.24 ms. Allocated memory is still 119.5 MB. Free memory was 89.0 MB in the beginning and 65.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:25,820 INFO L168 Benchmark]: TraceAbstraction took 869.15 ms. Allocated memory is still 119.5 MB. Free memory was 64.5 MB in the beginning and 35.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:25,821 INFO L168 Benchmark]: Witness Printer took 10.58 ms. Allocated memory is still 119.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:22:25,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 75.5 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 32.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 437.46 ms. Allocated memory is still 119.5 MB. Free memory was 85.6 MB in the beginning and 92.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.78 ms. Allocated memory is still 119.5 MB. Free memory was 92.5 MB in the beginning and 90.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.92 ms. Allocated memory is still 119.5 MB. Free memory was 90.5 MB in the beginning and 89.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 687.24 ms. Allocated memory is still 119.5 MB. Free memory was 89.0 MB in the beginning and 65.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 869.15 ms. Allocated memory is still 119.5 MB. Free memory was 64.5 MB in the beginning and 35.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 10.58 ms. Allocated memory is still 119.5 MB. Free memory is still 35.9 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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-a4ecdab [2020-11-29 19:22:28,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:22:28,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:22:28,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:22:28,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:22:28,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:22:28,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:22:28,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:22:28,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:22:28,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:22:28,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:22:28,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:22:28,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:22:28,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:22:28,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:22:28,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:22:28,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:22:28,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:22:28,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:22:28,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:22:29,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:22:29,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:22:29,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:22:29,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:22:29,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:22:29,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:22:29,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:22:29,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:22:29,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:22:29,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:22:29,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:22:29,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:22:29,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:22:29,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:22:29,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:22:29,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:22:29,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:22:29,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:22:29,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:22:29,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:22:29,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:22:29,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 19:22:29,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:22:29,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:22:29,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:22:29,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:22:29,101 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:22:29,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:22:29,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:22:29,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:22:29,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:22:29,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:22:29,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:22:29,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:22:29,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 19:22:29,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 19:22:29,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:22:29,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:22:29,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:22:29,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:22:29,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:22:29,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:22:29,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:22:29,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:22:29,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:22:29,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:22:29,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:22:29,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:22:29,108 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 19:22:29,108 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 19:22:29,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:22:29,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:22:29,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:22:29,122 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_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 [2020-11-29 19:22:29,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:22:29,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:22:29,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:22:29,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:22:29,702 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:22:29,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-29 19:22:29,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/250314689/6fb2a370ca214e50af9a995e25b7aa69/FLAG8d6ea622e [2020-11-29 19:22:30,494 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:22:30,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2020-11-29 19:22:30,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/250314689/6fb2a370ca214e50af9a995e25b7aa69/FLAG8d6ea622e [2020-11-29 19:22:30,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/data/250314689/6fb2a370ca214e50af9a995e25b7aa69 [2020-11-29 19:22:30,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:22:30,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:22:30,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:30,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:22:30,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:22:30,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:30" (1/1) ... [2020-11-29 19:22:30,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e15ea06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:30, skipping insertion in model container [2020-11-29 19:22:30,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:30" (1/1) ... [2020-11-29 19:22:30,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:22:30,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:22:31,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:31,256 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:22:31,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:31,393 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:22:31,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31 WrapperNode [2020-11-29 19:22:31,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:31,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:31,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:22:31,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:22:31,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:31,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:22:31,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:22:31,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:22:31,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... [2020-11-29 19:22:31,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:22:31,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:22:31,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:22:31,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:22:31,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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 [2020-11-29 19:22:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 19:22:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 19:22:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 19:22:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:22:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 19:22:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:22:31,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:22:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 19:22:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:22:58,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:22:58,896 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 19:22:58,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:58 BoogieIcfgContainer [2020-11-29 19:22:58,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:22:58,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:22:58,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:22:58,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:22:58,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:22:30" (1/3) ... [2020-11-29 19:22:58,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13550218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:58, skipping insertion in model container [2020-11-29 19:22:58,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:31" (2/3) ... [2020-11-29 19:22:58,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13550218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:58, skipping insertion in model container [2020-11-29 19:22:58,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:58" (3/3) ... [2020-11-29 19:22:58,911 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2020-11-29 19:22:58,925 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:22:58,930 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:22:58,947 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:22:58,978 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:22:58,979 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:22:58,979 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:22:58,979 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:22:58,979 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:22:58,980 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:22:58,980 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:22:58,980 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:22:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-29 19:22:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:22:59,002 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:59,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:59,003 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:59,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:59,010 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-11-29 19:22:59,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:59,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41912055] [2020-11-29 19:22:59,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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 [2020-11-29 19:23:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:00,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 19:23:00,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:23:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:00,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:23:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:00,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41912055] [2020-11-29 19:23:00,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:23:00,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 19:23:00,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151585788] [2020-11-29 19:23:00,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:23:00,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:23:00,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:23:00,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:23:00,330 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-29 19:23:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:23:00,354 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-11-29 19:23:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:23:00,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-29 19:23:00,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:23:00,367 INFO L225 Difference]: With dead ends: 63 [2020-11-29 19:23:00,367 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 19:23:00,371 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 [2020-11-29 19:23:00,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 19:23:00,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-29 19:23:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 19:23:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-29 19:23:00,412 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-11-29 19:23:00,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:23:00,413 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-29 19:23:00,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:23:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-29 19:23:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:23:00,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:23:00,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:23:00,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 19:23:00,630 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:23:00,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:00,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-11-29 19:23:00,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:23:00,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684744043] [2020-11-29 19:23:00,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/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 [2020-11-29 19:23:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:02,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:03,830 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:04,008 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 19:23:04,009 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:23:04,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 19:23:04,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:23:04 BoogieIcfgContainer [2020-11-29 19:23:04,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:23:04,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:23:04,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:23:04,319 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:23:04,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:58" (3/4) ... [2020-11-29 19:23:04,322 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:23:04,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc3251ef-7504-4525-a2b5-bf972f3ffe37/bin/uautomizer/witness.graphml [2020-11-29 19:23:04,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:23:04,405 INFO L168 Benchmark]: Toolchain (without parser) took 33593.66 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 43.5 MB in the beginning and 42.6 MB in the end (delta: 945.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:04,405 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:23:04,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.21 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 43.2 MB in the end (delta: 162.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:04,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.87 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 41.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:04,407 INFO L168 Benchmark]: Boogie Preprocessor took 95.70 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 39.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:04,408 INFO L168 Benchmark]: RCFGBuilder took 27305.90 ms. Allocated memory is still 62.9 MB. Free memory was 38.9 MB in the beginning and 31.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:04,409 INFO L168 Benchmark]: TraceAbstraction took 5415.92 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 46.2 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:23:04,409 INFO L168 Benchmark]: Witness Printer took 83.61 ms. Allocated memory is still 75.5 MB. Free memory was 46.2 MB in the beginning and 42.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:04,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.21 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 43.2 MB in the end (delta: 162.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.87 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 41.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.70 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 39.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27305.90 ms. Allocated memory is still 62.9 MB. Free memory was 38.9 MB in the beginning and 31.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5415.92 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 46.2 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 83.61 ms. Allocated memory is still 75.5 MB. Free memory was 46.2 MB in the beginning and 42.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 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: 5.2s, 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, 2.6s 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...