./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.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_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/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 41a526911f5478d4ee67d1ffe54a57e775a21596 .......................................................................................................................................................................................................................................................................................................................... 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_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/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 41a526911f5478d4ee67d1ffe54a57e775a21596 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:44,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:44,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:44,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:44,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:44,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:44,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:44,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:44,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:44,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:44,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:44,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:44,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:44,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:44,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:44,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:44,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:44,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:44,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:44,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:44,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:44,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:44,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:44,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:44,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:44,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:44,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:44,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:44,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:44,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:44,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:44,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:44,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:44,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:44,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:44,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:44,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:44,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:44,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:44,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:44,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:44,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:59:44,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:44,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:44,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:44,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:44,212 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:44,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:44,212 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:44,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:44,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:44,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:44,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:44,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:44,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:44,214 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:44,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:44,215 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:44,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:44,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:44,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:44,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:44,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:44,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:44,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:44,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:44,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:44,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:44,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:44,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:44,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:44,218 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_85b92a73-51ba-4ea2-a7d4-66762f527f21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2020-11-28 02:59:44,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:44,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:44,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:44,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:44,599 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:44,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-28 02:59:44,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/e01f3d343/02bbe51073cb49a0968b2d1972967dd4/FLAGecb1709cb [2020-11-28 02:59:45,268 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:45,279 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-28 02:59:45,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/e01f3d343/02bbe51073cb49a0968b2d1972967dd4/FLAGecb1709cb [2020-11-28 02:59:45,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/e01f3d343/02bbe51073cb49a0968b2d1972967dd4 [2020-11-28 02:59:45,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:45,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:45,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:45,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:45,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:45,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:45" (1/1) ... [2020-11-28 02:59:45,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27542b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:45, skipping insertion in model container [2020-11-28 02:59:45,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:45" (1/1) ... [2020-11-28 02:59:45,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:45,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:45,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:45,991 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:46,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:46,099 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:46,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46 WrapperNode [2020-11-28 02:59:46,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:46,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:46,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:46,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:46,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:46,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:46,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:46,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:46,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... [2020-11-28 02:59:46,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:46,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:46,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:46,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:46,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 02:59:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:59:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 02:59:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:59:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:59:47,268 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:47,268 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 02:59:47,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:47 BoogieIcfgContainer [2020-11-28 02:59:47,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:47,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:47,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:47,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:47,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:45" (1/3) ... [2020-11-28 02:59:47,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3248b8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:47, skipping insertion in model container [2020-11-28 02:59:47,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46" (2/3) ... [2020-11-28 02:59:47,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3248b8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:47, skipping insertion in model container [2020-11-28 02:59:47,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:47" (3/3) ... [2020-11-28 02:59:47,279 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2020-11-28 02:59:47,291 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:47,296 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:59:47,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:59:47,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:47,332 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:47,332 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:47,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:47,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:47,333 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:47,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:47,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-11-28 02:59:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:59:47,351 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:47,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:47,352 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:47,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:47,358 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2020-11-28 02:59:47,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:47,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796029543] [2020-11-28 02:59:47,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:47,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796029543] [2020-11-28 02:59:47,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:47,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:47,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197010328] [2020-11-28 02:59:47,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:59:47,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:47,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:59:47,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:59:47,533 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-11-28 02:59:47,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:47,558 INFO L93 Difference]: Finished difference Result 146 states and 237 transitions. [2020-11-28 02:59:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:59:47,559 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-28 02:59:47,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:47,569 INFO L225 Difference]: With dead ends: 146 [2020-11-28 02:59:47,570 INFO L226 Difference]: Without dead ends: 70 [2020-11-28 02:59:47,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:59:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-28 02:59:47,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-11-28 02:59:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-11-28 02:59:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2020-11-28 02:59:47,610 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 12 [2020-11-28 02:59:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:47,610 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2020-11-28 02:59:47,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:59:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2020-11-28 02:59:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 02:59:47,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:47,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:47,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:47,612 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:47,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:47,613 INFO L82 PathProgramCache]: Analyzing trace with hash -697724311, now seen corresponding path program 1 times [2020-11-28 02:59:47,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:47,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420810431] [2020-11-28 02:59:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:47,691 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:47,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:47,771 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:47,772 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:59:47,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:47,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:47 BoogieIcfgContainer [2020-11-28 02:59:47,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:47,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:47,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:47,839 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:47,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:47" (3/4) ... [2020-11-28 02:59:47,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:59:47,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:47,846 INFO L168 Benchmark]: Toolchain (without parser) took 2244.25 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 56.4 MB in the beginning and 82.1 MB in the end (delta: -25.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:47,847 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:47,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.46 ms. Allocated memory is still 90.2 MB. Free memory was 56.2 MB in the beginning and 62.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:47,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.30 ms. Allocated memory is still 90.2 MB. Free memory was 62.4 MB in the beginning and 59.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:47,850 INFO L168 Benchmark]: Boogie Preprocessor took 85.25 ms. Allocated memory is still 90.2 MB. Free memory was 59.6 MB in the beginning and 57.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:47,852 INFO L168 Benchmark]: RCFGBuilder took 1018.19 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 53.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:47,852 INFO L168 Benchmark]: TraceAbstraction took 565.59 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.2 MB in the beginning and 82.1 MB in the end (delta: -29.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:47,853 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 113.2 MB. Free memory is still 82.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:47,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.46 ms. Allocated memory is still 90.2 MB. Free memory was 56.2 MB in the beginning and 62.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.30 ms. Allocated memory is still 90.2 MB. Free memory was 62.4 MB in the beginning and 59.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.25 ms. Allocated memory is still 90.2 MB. Free memory was 59.6 MB in the beginning and 57.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1018.19 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 53.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 565.59 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.2 MB in the beginning and 82.1 MB in the end (delta: -29.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.05 ms. Allocated memory is still 113.2 MB. Free memory is still 82.1 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 someUnaryDOUBLEoperation at line 155, overapproximation of bitwiseAnd at line 173, overapproximation of someBinaryArithmeticDOUBLEoperation at line 190, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L149-L163] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] double x = __VERIFIER_nondet_double(); [L244] COND TRUE x < -1.0 && x > 1.0 [L166] double t, w, p, q, c, r, s; [L167] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] ieee_double_shape_type gh_u; [L170] gh_u.value = (x) [L171] EXPR gh_u.parts.msw [L171] (hx) = gh_u.parts.msw [L173] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L174] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L185] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L186] COND FALSE !(ix < 0x3e400000) [L190] t = x * x [L191-L194] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L195-L196] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L197] w = p / q [L198] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L246] double res = __ieee754_asin(x); [L20] return x != x; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L249] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0281.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 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=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:50,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:50,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:50,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:50,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:50,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:50,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:50,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:50,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:50,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:50,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:50,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:50,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:50,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:50,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:50,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:50,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:50,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:50,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:50,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:50,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:50,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:50,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:50,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:50,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:50,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:50,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:50,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:50,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:50,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:50,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:50,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:50,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:50,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:50,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:50,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:50,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:50,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:50,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:50,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:50,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:50,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 02:59:50,637 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:50,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:50,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:50,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:50,642 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:50,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:50,642 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:50,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:50,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:50,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:50,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:50,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:50,645 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 02:59:50,645 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 02:59:50,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:50,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:50,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:50,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:50,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:50,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:50,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:50,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:50,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:50,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:50,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:50,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:50,649 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 02:59:50,650 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 02:59:50,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:50,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:50,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 02:59:50,651 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_85b92a73-51ba-4ea2-a7d4-66762f527f21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2020-11-28 02:59:51,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:51,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:51,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:51,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:51,071 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:51,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-28 02:59:51,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/eea167cfb/76a888048fff480d98ce37ab1d1f03fd/FLAGf7fe6f800 [2020-11-28 02:59:51,696 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:51,701 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-28 02:59:51,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/eea167cfb/76a888048fff480d98ce37ab1d1f03fd/FLAGf7fe6f800 [2020-11-28 02:59:52,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/data/eea167cfb/76a888048fff480d98ce37ab1d1f03fd [2020-11-28 02:59:52,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:52,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:52,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:52,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:52,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:52,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfeffdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52, skipping insertion in model container [2020-11-28 02:59:52,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:52,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:52,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:52,504 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:52,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:52,625 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:52,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52 WrapperNode [2020-11-28 02:59:52,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:52,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:52,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:52,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:52,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:52,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:52,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:52,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:52,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... [2020-11-28 02:59:52,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:52,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:52,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:52,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:52,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 02:59:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-28 02:59:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 02:59:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 02:59:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 02:59:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:00:12,743 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:12,744 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 03:00:12,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:12 BoogieIcfgContainer [2020-11-28 03:00:12,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:12,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:00:12,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:00:12,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:00:12,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:52" (1/3) ... [2020-11-28 03:00:12,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54900825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:12, skipping insertion in model container [2020-11-28 03:00:12,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:52" (2/3) ... [2020-11-28 03:00:12,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54900825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:12, skipping insertion in model container [2020-11-28 03:00:12,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:12" (3/3) ... [2020-11-28 03:00:12,754 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2020-11-28 03:00:12,764 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:00:12,769 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:00:12,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:00:12,828 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:00:12,828 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:00:12,839 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:00:12,839 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:12,839 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:12,839 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:00:12,839 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:12,840 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:00:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-11-28 03:00:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:00:12,866 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:12,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:12,868 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:12,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:12,874 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2020-11-28 03:00:12,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:00:12,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457659478] [2020-11-28 03:00:12,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:00:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:13,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 03:00:13,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:13,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:00:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:13,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457659478] [2020-11-28 03:00:13,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:13,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:00:13,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395743347] [2020-11-28 03:00:13,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:00:13,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:00:13,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:00:13,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:00:13,887 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-11-28 03:00:13,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:13,906 INFO L93 Difference]: Finished difference Result 79 states and 124 transitions. [2020-11-28 03:00:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:00:13,907 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-28 03:00:13,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:13,913 INFO L225 Difference]: With dead ends: 79 [2020-11-28 03:00:13,913 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:00:13,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:00:13,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:00:13,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:00:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:00:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:00:13,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-28 03:00:13,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:13,941 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:13,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:00:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:00:13,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:00:14,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:00:14,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:00:14,268 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2020-11-28 03:00:14,269 INFO L270 CegarLoopResult]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2020-11-28 03:00:14,269 INFO L274 CegarLoopResult]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2020-11-28 03:00:14,269 INFO L274 CegarLoopResult]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2020-11-28 03:00:14,269 INFO L270 CegarLoopResult]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2020-11-28 03:00:14,269 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:00:14,269 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:00:14,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:00:14,270 INFO L274 CegarLoopResult]: For program point L185(lines 185 200) no Hoare annotation was computed. [2020-11-28 03:00:14,270 INFO L274 CegarLoopResult]: For program point L185-1(lines 185 200) no Hoare annotation was computed. [2020-11-28 03:00:14,270 INFO L270 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: false [2020-11-28 03:00:14,270 INFO L274 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2020-11-28 03:00:14,270 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2020-11-28 03:00:14,270 INFO L274 CegarLoopResult]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2020-11-28 03:00:14,271 INFO L274 CegarLoopResult]: For program point L187(lines 187 188) no Hoare annotation was computed. [2020-11-28 03:00:14,271 INFO L274 CegarLoopResult]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2020-11-28 03:00:14,271 INFO L270 CegarLoopResult]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2020-11-28 03:00:14,271 INFO L274 CegarLoopResult]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2020-11-28 03:00:14,271 INFO L274 CegarLoopResult]: For program point L105(lines 105 119) no Hoare annotation was computed. [2020-11-28 03:00:14,271 INFO L274 CegarLoopResult]: For program point L122(lines 122 123) no Hoare annotation was computed. [2020-11-28 03:00:14,271 INFO L274 CegarLoopResult]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2020-11-28 03:00:14,271 INFO L277 CegarLoopResult]: At program point L255(lines 234 256) the Hoare annotation is: true [2020-11-28 03:00:14,272 INFO L274 CegarLoopResult]: For program point L90(lines 90 99) no Hoare annotation was computed. [2020-11-28 03:00:14,272 INFO L274 CegarLoopResult]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2020-11-28 03:00:14,272 INFO L274 CegarLoopResult]: For program point L140(lines 140 145) no Hoare annotation was computed. [2020-11-28 03:00:14,272 INFO L274 CegarLoopResult]: For program point L140-1(lines 133 147) no Hoare annotation was computed. [2020-11-28 03:00:14,272 INFO L274 CegarLoopResult]: For program point L107(lines 107 118) no Hoare annotation was computed. [2020-11-28 03:00:14,272 INFO L274 CegarLoopResult]: For program point L140-2(lines 140 145) no Hoare annotation was computed. [2020-11-28 03:00:14,272 INFO L274 CegarLoopResult]: For program point L41(lines 41 46) no Hoare annotation was computed. [2020-11-28 03:00:14,273 INFO L270 CegarLoopResult]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2020-11-28 03:00:14,273 INFO L274 CegarLoopResult]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2020-11-28 03:00:14,273 INFO L274 CegarLoopResult]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2020-11-28 03:00:14,273 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:00:14,273 INFO L274 CegarLoopResult]: For program point L174(lines 174 200) no Hoare annotation was computed. [2020-11-28 03:00:14,273 INFO L274 CegarLoopResult]: For program point L42(lines 42 45) no Hoare annotation was computed. [2020-11-28 03:00:14,273 INFO L274 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-11-28 03:00:14,273 INFO L274 CegarLoopResult]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2020-11-28 03:00:14,274 INFO L270 CegarLoopResult]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2020-11-28 03:00:14,274 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-11-28 03:00:14,274 INFO L274 CegarLoopResult]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2020-11-28 03:00:14,274 INFO L274 CegarLoopResult]: For program point L109(lines 109 117) no Hoare annotation was computed. [2020-11-28 03:00:14,274 INFO L274 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-11-28 03:00:14,274 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2020-11-28 03:00:14,274 INFO L274 CegarLoopResult]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2020-11-28 03:00:14,275 INFO L270 CegarLoopResult]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2020-11-28 03:00:14,275 INFO L274 CegarLoopResult]: For program point L176-3(lines 174 185) no Hoare annotation was computed. [2020-11-28 03:00:14,275 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-28 03:00:14,275 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:00:14,275 INFO L274 CegarLoopResult]: For program point L95(lines 95 96) no Hoare annotation was computed. [2020-11-28 03:00:14,275 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2020-11-28 03:00:14,275 INFO L274 CegarLoopResult]: For program point L244(lines 244 253) no Hoare annotation was computed. [2020-11-28 03:00:14,275 INFO L274 CegarLoopResult]: For program point L211(lines 211 227) no Hoare annotation was computed. [2020-11-28 03:00:14,276 INFO L274 CegarLoopResult]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2020-11-28 03:00:14,276 INFO L274 CegarLoopResult]: For program point L211-2(lines 165 232) no Hoare annotation was computed. [2020-11-28 03:00:14,276 INFO L274 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2020-11-28 03:00:14,276 INFO L274 CegarLoopResult]: For program point L63(lines 63 66) no Hoare annotation was computed. [2020-11-28 03:00:14,276 INFO L274 CegarLoopResult]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2020-11-28 03:00:14,276 INFO L274 CegarLoopResult]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2020-11-28 03:00:14,277 INFO L270 CegarLoopResult]: At program point L30-2(lines 30 35) the Hoare annotation is: false [2020-11-28 03:00:14,277 INFO L274 CegarLoopResult]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2020-11-28 03:00:14,277 INFO L270 CegarLoopResult]: At program point L146(lines 133 147) the Hoare annotation is: false [2020-11-28 03:00:14,277 INFO L274 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2020-11-28 03:00:14,277 INFO L274 CegarLoopResult]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2020-11-28 03:00:14,277 INFO L270 CegarLoopResult]: At program point L131(lines 24 132) the Hoare annotation is: false [2020-11-28 03:00:14,277 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:00:14,278 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:00:14,278 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-11-28 03:00:14,278 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2020-11-28 03:00:14,278 INFO L270 CegarLoopResult]: At program point L231(lines 165 232) the Hoare annotation is: false [2020-11-28 03:00:14,278 INFO L270 CegarLoopResult]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2020-11-28 03:00:14,278 INFO L274 CegarLoopResult]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2020-11-28 03:00:14,278 INFO L274 CegarLoopResult]: For program point L249(lines 249 252) no Hoare annotation was computed. [2020-11-28 03:00:14,279 INFO L274 CegarLoopResult]: For program point L216-1(lines 216 221) no Hoare annotation was computed. [2020-11-28 03:00:14,279 INFO L270 CegarLoopResult]: At program point L216-2(lines 216 221) the Hoare annotation is: false [2020-11-28 03:00:14,279 INFO L274 CegarLoopResult]: For program point L216-3(lines 216 221) no Hoare annotation was computed. [2020-11-28 03:00:14,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:00:14 BoogieIcfgContainer [2020-11-28 03:00:14,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:00:14,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:00:14,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:00:14,300 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:00:14,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:12" (3/4) ... [2020-11-28 03:00:14,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:00:14,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-28 03:00:14,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:00:14,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:00:14,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:00:14,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85b92a73-51ba-4ea2-a7d4-66762f527f21/bin/uautomizer/witness.graphml [2020-11-28 03:00:14,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:00:14,436 INFO L168 Benchmark]: Toolchain (without parser) took 22360.60 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 32.5 MB in the beginning and 43.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:14,437 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:14,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.85 ms. Allocated memory is still 54.5 MB. Free memory was 32.2 MB in the beginning and 29.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:14,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.58 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 27.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:14,439 INFO L168 Benchmark]: Boogie Preprocessor took 58.83 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 27.2 MB in the beginning and 58.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:14,439 INFO L168 Benchmark]: RCFGBuilder took 19972.08 ms. Allocated memory is still 75.5 MB. Free memory was 58.5 MB in the beginning and 38.3 MB in the end (delta: 20.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:14,440 INFO L168 Benchmark]: TraceAbstraction took 1551.40 ms. Allocated memory is still 75.5 MB. Free memory was 37.9 MB in the beginning and 50.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:14,440 INFO L168 Benchmark]: Witness Printer took 134.47 ms. Allocated memory is still 75.5 MB. Free memory was 50.1 MB in the beginning and 43.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:14,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.85 ms. Allocated memory is still 54.5 MB. Free memory was 32.2 MB in the beginning and 29.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.58 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 27.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.83 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 27.2 MB in the beginning and 58.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19972.08 ms. Allocated memory is still 75.5 MB. Free memory was 58.5 MB in the beginning and 38.3 MB in the end (delta: 20.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1551.40 ms. Allocated memory is still 75.5 MB. Free memory was 37.9 MB in the beginning and 50.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Witness Printer took 134.47 ms. Allocated memory is still 75.5 MB. Free memory was 50.1 MB in the beginning and 43.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 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=75occurred 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: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 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 correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...