./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1300.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_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c -s /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/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 6775086e1d92d324fce714cac739cb50ade22067 ...................................................................................................................................................................................................................................................................................................................................... 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_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c -s /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/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 6775086e1d92d324fce714cac739cb50ade22067 ......................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-30 00:18:16,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:18:16,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:18:17,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:18:17,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:18:17,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:18:17,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:18:17,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:18:17,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:18:17,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:18:17,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:18:17,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:18:17,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:18:17,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:18:17,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:18:17,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:18:17,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:18:17,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:18:17,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:18:17,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:18:17,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:18:17,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:18:17,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:18:17,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:18:17,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:18:17,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:18:17,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:18:17,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:18:17,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:18:17,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:18:17,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:18:17,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:18:17,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:18:17,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:18:17,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:18:17,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:18:17,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:18:17,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:18:17,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:18:17,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:18:17,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:18:17,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:18:17,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:18:17,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:18:17,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:18:17,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:18:17,225 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:18:17,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:18:17,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:18:17,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:18:17,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:18:17,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:18:17,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:18:17,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:18:17,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:18:17,230 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:18:17,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:18:17,230 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:18:17,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:18:17,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:18:17,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:18:17,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:18:17,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:18:17,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:18:17,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:18:17,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:18:17,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:18:17,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:18:17,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:18:17,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:18:17,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:18:17,235 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_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775086e1d92d324fce714cac739cb50ade22067 [2020-11-30 00:18:17,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:18:17,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:18:17,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:18:17,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:18:17,606 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:18:17,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2020-11-30 00:18:17,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/a998ccd04/ce966b1212bf496a928d42911a4b8342/FLAGd3e421d83 [2020-11-30 00:18:18,324 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:18:18,325 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2020-11-30 00:18:18,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/a998ccd04/ce966b1212bf496a928d42911a4b8342/FLAGd3e421d83 [2020-11-30 00:18:18,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/a998ccd04/ce966b1212bf496a928d42911a4b8342 [2020-11-30 00:18:18,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:18:18,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:18:18,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:18,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:18:18,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:18:18,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:18" (1/1) ... [2020-11-30 00:18:18,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba1c6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:18, skipping insertion in model container [2020-11-30 00:18:18,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:18" (1/1) ... [2020-11-30 00:18:18,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:18:18,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:18:18,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:19,009 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:18:19,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:19,099 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:18:19,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19 WrapperNode [2020-11-30 00:18:19,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:19,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:19,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:18:19,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:18:19,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:19,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:18:19,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:18:19,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:18:19,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... [2020-11-30 00:18:19,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:18:19,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:18:19,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:18:19,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:18:19,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:18:19,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:18:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:18:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:18:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:18:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:18:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:18:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:18:19,883 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:18:19,884 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 00:18:19,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:19 BoogieIcfgContainer [2020-11-30 00:18:19,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:18:19,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:18:19,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:18:19,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:18:19,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:18:18" (1/3) ... [2020-11-30 00:18:19,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3263764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:18:19, skipping insertion in model container [2020-11-30 00:18:19,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:19" (2/3) ... [2020-11-30 00:18:19,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3263764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:18:19, skipping insertion in model container [2020-11-30 00:18:19,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:19" (3/3) ... [2020-11-30 00:18:19,899 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300.c [2020-11-30 00:18:19,915 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:18:19,920 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:18:19,944 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:18:20,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:18:20,007 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:18:20,007 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:18:20,007 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:18:20,007 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:18:20,008 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:18:20,008 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:18:20,008 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:18:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-30 00:18:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:18:20,041 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:18:20,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:18:20,043 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:18:20,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:20,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1033094394, now seen corresponding path program 1 times [2020-11-30 00:18:20,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:18:20,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663229220] [2020-11-30 00:18:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:18:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:20,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663229220] [2020-11-30 00:18:20,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:18:20,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:18:20,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127360355] [2020-11-30 00:18:20,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:18:20,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:18:20,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:18:20,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:18:20,393 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-30 00:18:20,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:18:20,422 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2020-11-30 00:18:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:18:20,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-30 00:18:20,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:18:20,448 INFO L225 Difference]: With dead ends: 39 [2020-11-30 00:18:20,451 INFO L226 Difference]: Without dead ends: 16 [2020-11-30 00:18:20,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:18:20,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-30 00:18:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-30 00:18:20,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-30 00:18:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-30 00:18:20,508 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2020-11-30 00:18:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:18:20,509 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-30 00:18:20,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:18:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-30 00:18:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:18:20,511 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:18:20,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:18:20,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:18:20,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:18:20,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:20,517 INFO L82 PathProgramCache]: Analyzing trace with hash 499625812, now seen corresponding path program 1 times [2020-11-30 00:18:20,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:18:20,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740372181] [2020-11-30 00:18:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:18:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:20,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740372181] [2020-11-30 00:18:20,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:18:20,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:18:20,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109957820] [2020-11-30 00:18:20,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:18:20,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:18:20,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:18:20,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:18:20,682 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2020-11-30 00:18:20,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:18:20,734 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-11-30 00:18:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:18:20,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-30 00:18:20,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:18:20,738 INFO L225 Difference]: With dead ends: 24 [2020-11-30 00:18:20,738 INFO L226 Difference]: Without dead ends: 16 [2020-11-30 00:18:20,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:18:20,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-30 00:18:20,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-30 00:18:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-30 00:18:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-30 00:18:20,744 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2020-11-30 00:18:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:18:20,746 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-30 00:18:20,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:18:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-30 00:18:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:18:20,750 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:18:20,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:18:20,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:18:20,752 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:18:20,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:20,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2210040, now seen corresponding path program 1 times [2020-11-30 00:18:20,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:18:20,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071456043] [2020-11-30 00:18:20,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:18:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:20,991 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:21,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:21,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:18:21,153 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:18:21,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:18:21,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:18:21 BoogieIcfgContainer [2020-11-30 00:18:21,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:18:21,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:18:21,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:18:21,222 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:18:21,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:19" (3/4) ... [2020-11-30 00:18:21,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:18:21,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:18:21,236 INFO L168 Benchmark]: Toolchain (without parser) took 2566.20 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 68.4 MB in the beginning and 69.0 MB in the end (delta: -577.1 kB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:21,238 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:18:21,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.29 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 73.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:21,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.48 ms. Allocated memory is still 96.5 MB. Free memory was 73.1 MB in the beginning and 71.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:21,243 INFO L168 Benchmark]: Boogie Preprocessor took 72.51 ms. Allocated memory is still 96.5 MB. Free memory was 71.4 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:21,251 INFO L168 Benchmark]: RCFGBuilder took 622.38 ms. Allocated memory is still 96.5 MB. Free memory was 70.1 MB in the beginning and 53.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:21,254 INFO L168 Benchmark]: TraceAbstraction took 1332.02 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 53.3 MB in the beginning and 69.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:21,259 INFO L168 Benchmark]: Witness Printer took 8.43 ms. Allocated memory is still 117.4 MB. Free memory was 69.6 MB in the beginning and 69.0 MB in the end (delta: 588.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:18:21,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.29 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 73.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.48 ms. Allocated memory is still 96.5 MB. Free memory was 73.1 MB in the beginning and 71.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.51 ms. Allocated memory is still 96.5 MB. Free memory was 71.4 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 622.38 ms. Allocated memory is still 96.5 MB. Free memory was 70.1 MB in the beginning and 53.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1332.02 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 53.3 MB in the beginning and 69.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Witness Printer took 8.43 ms. Allocated memory is still 117.4 MB. Free memory was 69.6 MB in the beginning and 69.0 MB in the end (delta: 588.7 kB). 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 27, overapproximation of bitwiseAnd at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of to_real at line 57. Possible FailurePath: [L52] double x = __VERIFIER_nondet_double(); [L19] __int32_t hx, lx; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L55] !isinf_double(x) && !isnan_double(x) [L33] return x != x; [L55] !isinf_double(x) && !isnan_double(x) [L55] COND TRUE !isinf_double(x) && !isnan_double(x) [L36] __int32_t hx; [L38] ieee_double_shape_type gh_u; [L39] gh_u.value = (x) [L40] EXPR gh_u.parts.msw [L40] (hx) = gh_u.parts.msw [L42] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L57] double res = isfinite_double(x); [L60] COND TRUE res == 0.0 [L3] __assert_fail("0", "double_req_bl_1300.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 10 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:18:24,555 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-30 00:18:24,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:18:24,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:18:24,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:18:24,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:18:24,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:18:24,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:18:24,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:18:24,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:18:24,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:18:24,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:18:24,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:18:24,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:18:24,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:18:24,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:18:24,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:18:24,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:18:24,714 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:18:24,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:18:24,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:18:24,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:18:24,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:18:24,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:18:24,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:18:24,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:18:24,716 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:18:24,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:18:24,717 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:18:24,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:18:24,718 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:18:24,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:18:24,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:18:24,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:18:24,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:18:24,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:18:24,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:18:24,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:18:24,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:18:24,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:18:24,721 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:18:24,721 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:18:24,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:18:24,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:18:24,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:18:24,722 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_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775086e1d92d324fce714cac739cb50ade22067 [2020-11-30 00:18:25,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:18:25,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:18:25,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:18:25,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:18:25,224 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:18:25,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2020-11-30 00:18:25,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/17c0327e3/09b62ff5712b4dd6bf730ef28c4b5440/FLAG749a35a76 [2020-11-30 00:18:26,088 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:18:26,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2020-11-30 00:18:26,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/17c0327e3/09b62ff5712b4dd6bf730ef28c4b5440/FLAG749a35a76 [2020-11-30 00:18:26,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/data/17c0327e3/09b62ff5712b4dd6bf730ef28c4b5440 [2020-11-30 00:18:26,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:18:26,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:18:26,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:26,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:18:26,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:18:26,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f8c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26, skipping insertion in model container [2020-11-30 00:18:26,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:18:26,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:18:26,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:26,688 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:18:26,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:26,790 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:18:26,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26 WrapperNode [2020-11-30 00:18:26,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:26,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:26,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:18:26,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:18:26,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:26,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:18:26,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:18:26,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:18:26,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... [2020-11-30 00:18:26,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:18:26,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:18:26,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:18:26,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:18:26,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:18:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 00:18:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:18:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:18:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:18:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:18:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:18:27,684 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:18:27,685 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 00:18:27,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:27 BoogieIcfgContainer [2020-11-30 00:18:27,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:18:27,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:18:27,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:18:27,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:18:27,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:18:26" (1/3) ... [2020-11-30 00:18:27,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7844ae0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:18:27, skipping insertion in model container [2020-11-30 00:18:27,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:26" (2/3) ... [2020-11-30 00:18:27,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7844ae0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:18:27, skipping insertion in model container [2020-11-30 00:18:27,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:27" (3/3) ... [2020-11-30 00:18:27,700 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300.c [2020-11-30 00:18:27,713 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:18:27,718 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:18:27,732 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:18:27,777 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:18:27,777 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:18:27,777 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:18:27,777 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:18:27,778 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:18:27,778 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:18:27,778 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:18:27,778 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:18:27,801 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-30 00:18:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:18:27,808 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:18:27,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:18:27,809 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:18:27,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:27,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1033094394, now seen corresponding path program 1 times [2020-11-30 00:18:27,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:18:27,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910717390] [2020-11-30 00:18:27,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:18:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:27,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:18:28,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:18:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:28,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:18:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:28,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910717390] [2020-11-30 00:18:28,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:18:28,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:18:28,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892073680] [2020-11-30 00:18:28,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:18:28,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:18:28,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:18:28,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:18:28,069 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-30 00:18:28,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:18:28,098 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2020-11-30 00:18:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:18:28,099 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-30 00:18:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:18:28,117 INFO L225 Difference]: With dead ends: 39 [2020-11-30 00:18:28,118 INFO L226 Difference]: Without dead ends: 16 [2020-11-30 00:18:28,122 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 [2020-11-30 00:18:28,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-30 00:18:28,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-30 00:18:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-30 00:18:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-30 00:18:28,160 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2020-11-30 00:18:28,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:18:28,161 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-30 00:18:28,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:18:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-30 00:18:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:18:28,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:18:28,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:18:28,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:18:28,385 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:18:28,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:28,388 INFO L82 PathProgramCache]: Analyzing trace with hash 499625812, now seen corresponding path program 1 times [2020-11-30 00:18:28,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:18:28,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826124728] [2020-11-30 00:18:28,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:18:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:28,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:18:28,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:18:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:28,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:18:28,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:28,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826124728] [2020-11-30 00:18:28,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:18:28,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 00:18:28,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83209948] [2020-11-30 00:18:28,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:18:28,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:18:28,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:18:28,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:18:28,625 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2020-11-30 00:18:28,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:18:28,710 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-11-30 00:18:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:18:28,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-30 00:18:28,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:18:28,714 INFO L225 Difference]: With dead ends: 24 [2020-11-30 00:18:28,714 INFO L226 Difference]: Without dead ends: 16 [2020-11-30 00:18:28,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:18:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-30 00:18:28,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-30 00:18:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-30 00:18:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-30 00:18:28,719 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2020-11-30 00:18:28,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:18:28,719 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-30 00:18:28,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:18:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-30 00:18:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:18:28,720 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:18:28,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:18:28,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:18:28,933 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:18:28,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:28,933 INFO L82 PathProgramCache]: Analyzing trace with hash 2210040, now seen corresponding path program 1 times [2020-11-30 00:18:28,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:18:28,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49568478] [2020-11-30 00:18:28,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:18:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:29,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:29,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:29,398 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:18:29,398 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:18:29,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:18:29,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:18:29 BoogieIcfgContainer [2020-11-30 00:18:29,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:18:29,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:18:29,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:18:29,660 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:18:29,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:27" (3/4) ... [2020-11-30 00:18:29,663 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:18:29,749 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_921b1b27-c606-4e0c-8958-1b0fa7c5e8bf/bin/uautomizer/witness.graphml [2020-11-30 00:18:29,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:18:29,759 INFO L168 Benchmark]: Toolchain (without parser) took 3323.69 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.4 MB in the beginning and 54.9 MB in the end (delta: -14.5 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:29,760 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 60.8 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:18:29,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.01 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 43.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:29,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.37 ms. Allocated memory is still 60.8 MB. Free memory was 42.9 MB in the beginning and 41.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:18:29,766 INFO L168 Benchmark]: Boogie Preprocessor took 38.92 ms. Allocated memory is still 60.8 MB. Free memory was 41.2 MB in the beginning and 39.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:29,767 INFO L168 Benchmark]: RCFGBuilder took 807.15 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.6 MB in the beginning and 53.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:29,768 INFO L168 Benchmark]: TraceAbstraction took 1956.33 ms. Allocated memory is still 73.4 MB. Free memory was 53.1 MB in the beginning and 27.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:29,768 INFO L168 Benchmark]: Witness Printer took 107.85 ms. Allocated memory is still 73.4 MB. Free memory was 27.6 MB in the beginning and 54.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:29,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 60.8 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 355.01 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 43.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.37 ms. Allocated memory is still 60.8 MB. Free memory was 42.9 MB in the beginning and 41.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.92 ms. Allocated memory is still 60.8 MB. Free memory was 41.2 MB in the beginning and 39.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 807.15 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.6 MB in the beginning and 53.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1956.33 ms. Allocated memory is still 73.4 MB. Free memory was 53.1 MB in the beginning and 27.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * Witness Printer took 107.85 ms. Allocated memory is still 73.4 MB. Free memory was 27.6 MB in the beginning and 54.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 4.1 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: [L52] double x = __VERIFIER_nondet_double(); [L19] __int32_t hx, lx; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L55] !isinf_double(x) && !isnan_double(x) [L33] return x != x; [L55] !isinf_double(x) && !isnan_double(x) [L55] COND TRUE !isinf_double(x) && !isnan_double(x) [L36] __int32_t hx; [L38] ieee_double_shape_type gh_u; [L39] gh_u.value = (x) [L40] EXPR gh_u.parts.msw [L40] (hx) = gh_u.parts.msw [L42] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L57] double res = isfinite_double(x); [L60] COND TRUE res == 0.0 [L3] __assert_fail("0", "double_req_bl_1300.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 10 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! Received shutdown request...