./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.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_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/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 78ea4619176830aa2eaba3eb142f65766ef4226b ......................................................................................................................................................................................................................................................................................................................................... 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_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/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 78ea4619176830aa2eaba3eb142f65766ef4226b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:07:08,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:07:08,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:07:09,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:07:09,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:07:09,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:07:09,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:07:09,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:07:09,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:07:09,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:07:09,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:07:09,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:07:09,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:07:09,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:07:09,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:07:09,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:07:09,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:07:09,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:07:09,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:07:09,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:07:09,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:07:09,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:07:09,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:07:09,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:07:09,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:07:09,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:07:09,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:07:09,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:07:09,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:07:09,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:07:09,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:07:09,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:07:09,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:07:09,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:07:09,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:07:09,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:07:09,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:07:09,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:07:09,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:07:09,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:07:09,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:07:09,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:07:09,185 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:07:09,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:07:09,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:07:09,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:07:09,188 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:07:09,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:07:09,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:07:09,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:07:09,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:07:09,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:07:09,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:07:09,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:07:09,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:07:09,191 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:07:09,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:07:09,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:07:09,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:07:09,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:07:09,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:07:09,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:07:09,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:07:09,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:07:09,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:07:09,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:07:09,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:07:09,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:07:09,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:07:09,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:07:09,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:07:09,195 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_8b107b41-1875-4b8d-a692-078527af9e65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ea4619176830aa2eaba3eb142f65766ef4226b [2020-11-29 22:07:09,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:07:09,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:07:09,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:07:09,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:07:09,523 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:07:09,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2020-11-29 22:07:09,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/075466931/58ab6004cc4b4702973f5afc92bf5831/FLAG2ff52b84b [2020-11-29 22:07:10,106 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:07:10,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2020-11-29 22:07:10,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/075466931/58ab6004cc4b4702973f5afc92bf5831/FLAG2ff52b84b [2020-11-29 22:07:10,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/075466931/58ab6004cc4b4702973f5afc92bf5831 [2020-11-29 22:07:10,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:07:10,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:07:10,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:07:10,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:07:10,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:07:10,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e05099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10, skipping insertion in model container [2020-11-29 22:07:10,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:07:10,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:07:10,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:07:10,750 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:07:10,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:07:10,807 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:07:10,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10 WrapperNode [2020-11-29 22:07:10,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:07:10,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:07:10,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:07:10,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:07:10,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:07:10,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:07:10,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:07:10,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:07:10,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... [2020-11-29 22:07:10,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:07:10,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:07:10,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:07:10,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:07:10,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:07:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:07:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:07:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:07:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 22:07:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 22:07:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:07:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:07:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:07:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 22:07:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:07:11,626 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:07:11,627 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-29 22:07:11,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:07:11 BoogieIcfgContainer [2020-11-29 22:07:11,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:07:11,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:07:11,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:07:11,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:07:11,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:07:10" (1/3) ... [2020-11-29 22:07:11,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5481bd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:07:11, skipping insertion in model container [2020-11-29 22:07:11,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:10" (2/3) ... [2020-11-29 22:07:11,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5481bd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:07:11, skipping insertion in model container [2020-11-29 22:07:11,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:07:11" (3/3) ... [2020-11-29 22:07:11,638 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2020-11-29 22:07:11,649 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:07:11,654 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:07:11,666 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:07:11,691 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:07:11,691 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:07:11,692 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:07:11,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:07:11,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:07:11,692 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:07:11,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:07:11,693 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:07:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-11-29 22:07:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:07:11,713 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:07:11,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:07:11,714 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:07:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:07:11,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2020-11-29 22:07:11,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:07:11,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080240519] [2020-11-29 22:07:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:07:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:07:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:07:11,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080240519] [2020-11-29 22:07:11,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:07:11,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:07:11,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018831197] [2020-11-29 22:07:11,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:07:11,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:07:11,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:07:11,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:07:11,906 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-11-29 22:07:11,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:07:11,925 INFO L93 Difference]: Finished difference Result 85 states and 137 transitions. [2020-11-29 22:07:11,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:07:11,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-11-29 22:07:11,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:07:11,936 INFO L225 Difference]: With dead ends: 85 [2020-11-29 22:07:11,936 INFO L226 Difference]: Without dead ends: 40 [2020-11-29 22:07:11,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:07:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-29 22:07:11,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-29 22:07:11,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-29 22:07:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2020-11-29 22:07:11,979 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2020-11-29 22:07:11,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:07:11,980 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2020-11-29 22:07:11,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:07:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2020-11-29 22:07:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:07:11,983 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:07:11,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:07:11,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:07:11,984 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:07:11,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:07:11,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2020-11-29 22:07:11,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:07:11,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336564744] [2020-11-29 22:07:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:07:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:07:12,212 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:07:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:07:12,347 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:07:12,376 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:07:12,376 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:07:12,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:07:12,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:07:12 BoogieIcfgContainer [2020-11-29 22:07:12,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:07:12,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:07:12,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:07:12,428 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:07:12,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:07:11" (3/4) ... [2020-11-29 22:07:12,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:07:12,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:07:12,438 INFO L168 Benchmark]: Toolchain (without parser) took 1967.13 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 54.4 MB in the beginning and 76.1 MB in the end (delta: -21.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:07:12,440 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 40.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:07:12,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.88 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 60.6 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:12,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.39 ms. Allocated memory is still 86.0 MB. Free memory was 60.6 MB in the beginning and 58.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:12,443 INFO L168 Benchmark]: Boogie Preprocessor took 51.38 ms. Allocated memory is still 86.0 MB. Free memory was 58.1 MB in the beginning and 56.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:12,444 INFO L168 Benchmark]: RCFGBuilder took 702.67 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 77.1 MB in the end (delta: -21.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:12,445 INFO L168 Benchmark]: TraceAbstraction took 797.69 ms. Allocated memory is still 107.0 MB. Free memory was 76.6 MB in the beginning and 76.7 MB in the end (delta: -75.6 kB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:12,446 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 107.0 MB. Free memory was 76.7 MB in the beginning and 76.1 MB in the end (delta: 596.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:07:12,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 40.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 339.88 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 60.6 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.39 ms. Allocated memory is still 86.0 MB. Free memory was 60.6 MB in the beginning and 58.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.38 ms. Allocated memory is still 86.0 MB. Free memory was 58.1 MB in the beginning and 56.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 702.67 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 77.1 MB in the end (delta: -21.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 797.69 ms. Allocated memory is still 107.0 MB. Free memory was 76.6 MB in the beginning and 76.7 MB in the end (delta: -75.6 kB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.05 ms. Allocated memory is still 107.0 MB. Free memory was 76.7 MB in the beginning and 76.1 MB in the end (delta: 596.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 143, overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of someBinaryArithmeticDOUBLEoperation at line 73, overapproximation of bitwiseAnd at line 142, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] double x = 1.0 / 0.0; [L47] double y, hi, lo, c, t; [L48] __int32_t k = 0, xsb; [L49] __uint32_t hx; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L52] ieee_double_shape_type gh_u; [L53] gh_u.value = (x) [L54] EXPR gh_u.parts.msw [L54] (hx) = gh_u.parts.msw [L56] xsb = (hx >> 31) & 1 [L57] hx &= 0x7fffffff VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L59] COND TRUE hx >= 0x40862E42 VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L60] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L72] COND TRUE x > o_threshold_exp [L73] return huge_exp * huge_exp; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L156] double res = __ieee754_exp(x); [L135] __int32_t hx, lx; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L137] ieee_double_shape_type ew_u; [L138] ew_u.value = (x) [L139] EXPR ew_u.parts.msw [L139] (hx) = ew_u.parts.msw [L140] EXPR ew_u.parts.lsw [L140] (lx) = ew_u.parts.lsw [L142] hx &= 0x7fffffff [L143] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L144] hx = 0x7ff00000 - hx [L145] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L159] COND TRUE !isinf_double(x) [L3] __assert_fail("0", "double_req_bl_0834.c", 3, "reach_error") VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 54 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=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:07:14,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:07:14,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:07:14,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:07:14,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:07:14,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:07:14,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:07:14,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:07:15,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:07:15,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:07:15,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:07:15,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:07:15,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:07:15,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:07:15,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:07:15,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:07:15,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:07:15,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:07:15,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:07:15,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:07:15,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:07:15,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:07:15,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:07:15,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:07:15,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:07:15,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:07:15,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:07:15,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:07:15,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:07:15,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:07:15,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:07:15,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:07:15,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:07:15,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:07:15,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:07:15,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:07:15,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:07:15,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:07:15,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:07:15,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:07:15,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:07:15,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 22:07:15,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:07:15,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:07:15,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:07:15,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:07:15,136 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:07:15,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:07:15,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:07:15,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:07:15,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:07:15,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:07:15,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:07:15,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:07:15,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:07:15,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:07:15,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:07:15,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:07:15,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:07:15,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:07:15,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:07:15,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:07:15,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:07:15,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:07:15,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:07:15,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:07:15,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:07:15,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:07:15,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:07:15,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:07:15,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:07:15,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:07:15,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:07:15,144 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_8b107b41-1875-4b8d-a692-078527af9e65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ea4619176830aa2eaba3eb142f65766ef4226b [2020-11-29 22:07:15,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:07:15,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:07:15,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:07:15,612 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:07:15,614 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:07:15,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2020-11-29 22:07:15,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/78cb7d91f/38911a1a75574d2e99423a2c6924ac8b/FLAG07567dc16 [2020-11-29 22:07:16,368 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:07:16,369 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2020-11-29 22:07:16,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/78cb7d91f/38911a1a75574d2e99423a2c6924ac8b/FLAG07567dc16 [2020-11-29 22:07:16,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/data/78cb7d91f/38911a1a75574d2e99423a2c6924ac8b [2020-11-29 22:07:16,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:07:16,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:07:16,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:07:16,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:07:16,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:07:16,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:07:16" (1/1) ... [2020-11-29 22:07:16,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adf33c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:16, skipping insertion in model container [2020-11-29 22:07:16,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:07:16" (1/1) ... [2020-11-29 22:07:16,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:07:16,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:07:17,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:07:17,064 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:07:17,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:07:17,189 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:07:17,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17 WrapperNode [2020-11-29 22:07:17,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:07:17,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:07:17,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:07:17,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:07:17,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:07:17,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:07:17,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:07:17,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:07:17,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... [2020-11-29 22:07:17,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:07:17,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:07:17,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:07:17,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:07:17,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 22:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 22:07:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:07:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:07:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 22:07:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 22:07:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:07:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:07:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 22:07:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:07:29,766 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:07:29,766 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-29 22:07:29,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:07:29 BoogieIcfgContainer [2020-11-29 22:07:29,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:07:29,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:07:29,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:07:29,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:07:29,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:07:16" (1/3) ... [2020-11-29 22:07:29,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e413c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:07:29, skipping insertion in model container [2020-11-29 22:07:29,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:07:17" (2/3) ... [2020-11-29 22:07:29,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e413c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:07:29, skipping insertion in model container [2020-11-29 22:07:29,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:07:29" (3/3) ... [2020-11-29 22:07:29,776 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2020-11-29 22:07:29,787 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:07:29,791 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:07:29,803 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:07:29,839 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:07:29,839 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:07:29,839 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:07:29,839 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:07:29,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:07:29,840 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:07:29,840 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:07:29,840 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:07:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-11-29 22:07:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:07:29,861 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:07:29,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:07:29,862 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:07:29,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:07:29,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2020-11-29 22:07:29,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:07:29,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180916498] [2020-11-29 22:07:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 22:07:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:07:30,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 22:07:30,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:07:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:07:30,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:07:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:07:30,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180916498] [2020-11-29 22:07:30,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:07:30,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 22:07:30,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916994079] [2020-11-29 22:07:30,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:07:30,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:07:30,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:07:30,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:07:30,417 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-11-29 22:07:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:07:30,436 INFO L93 Difference]: Finished difference Result 85 states and 137 transitions. [2020-11-29 22:07:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:07:30,437 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-11-29 22:07:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:07:30,446 INFO L225 Difference]: With dead ends: 85 [2020-11-29 22:07:30,446 INFO L226 Difference]: Without dead ends: 40 [2020-11-29 22:07:30,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:07:30,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-29 22:07:30,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-29 22:07:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-29 22:07:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2020-11-29 22:07:30,477 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2020-11-29 22:07:30,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:07:30,477 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2020-11-29 22:07:30,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:07:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2020-11-29 22:07:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:07:30,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:07:30,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:07:30,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:07:30,684 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:07:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:07:30,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2020-11-29 22:07:30,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:07:30,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456217994] [2020-11-29 22:07:30,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 22:07:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:07:31,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 22:07:31,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:07:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:07:31,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:07:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:07:31,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456217994] [2020-11-29 22:07:31,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:07:31,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2020-11-29 22:07:31,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164096249] [2020-11-29 22:07:31,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 22:07:31,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:07:31,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 22:07:31,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:07:31,497 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 7 states. [2020-11-29 22:07:31,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:07:31,712 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-11-29 22:07:31,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:07:31,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-29 22:07:31,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:07:31,714 INFO L225 Difference]: With dead ends: 48 [2020-11-29 22:07:31,714 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 22:07:31,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 22:07:31,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 22:07:31,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 22:07:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 22:07:31,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-11-29 22:07:31,720 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2020-11-29 22:07:31,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:07:31,720 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-11-29 22:07:31,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 22:07:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-11-29 22:07:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 22:07:31,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:07:31,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:07:31,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 22:07:31,922 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:07:31,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:07:31,923 INFO L82 PathProgramCache]: Analyzing trace with hash 968811170, now seen corresponding path program 1 times [2020-11-29 22:07:31,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:07:31,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253862379] [2020-11-29 22:07:31,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 22:07:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:07:32,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 22:07:32,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:07:32,561 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-11-29 22:07:32,575 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 22:07:32,580 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:07:32,580 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:07:32,607 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:07:32,610 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-11-29 22:07:32,610 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:49, output treesize:38 [2020-11-29 22:07:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:07:32,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:07:32,724 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2020-11-29 22:07:32,734 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 22:07:32,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:07:32,738 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:07:32,749 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:07:32,750 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 22:07:32,751 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-11-29 22:07:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:07:32,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253862379] [2020-11-29 22:07:32,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:07:32,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-29 22:07:32,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684178709] [2020-11-29 22:07:32,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 22:07:32,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:07:32,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 22:07:32,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-29 22:07:32,899 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2020-11-29 22:07:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:07:33,071 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-11-29 22:07:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:07:33,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-11-29 22:07:33,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:07:33,073 INFO L225 Difference]: With dead ends: 28 [2020-11-29 22:07:33,073 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 22:07:33,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-11-29 22:07:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 22:07:33,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 22:07:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 22:07:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2020-11-29 22:07:33,079 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2020-11-29 22:07:33,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:07:33,079 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2020-11-29 22:07:33,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 22:07:33,079 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2020-11-29 22:07:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 22:07:33,079 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:07:33,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:07:33,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 22:07:33,295 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:07:33,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:07:33,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2079354756, now seen corresponding path program 1 times [2020-11-29 22:07:33,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:07:33,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852810388] [2020-11-29 22:07:33,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 22:07:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:07:33,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:07:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:07:34,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:07:34,563 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 22:07:34,563 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:07:34,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 22:07:34,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:07:34 BoogieIcfgContainer [2020-11-29 22:07:34,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:07:34,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:07:34,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:07:34,855 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:07:34,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:07:29" (3/4) ... [2020-11-29 22:07:34,858 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:07:34,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8b107b41-1875-4b8d-a692-078527af9e65/bin/uautomizer/witness.graphml [2020-11-29 22:07:34,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:07:34,960 INFO L168 Benchmark]: Toolchain (without parser) took 18234.69 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 39.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:34,960 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 34.3 MB in the beginning and 34.3 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:07:34,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.94 ms. Allocated memory is still 52.4 MB. Free memory was 28.2 MB in the beginning and 32.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:34,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.07 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 29.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:34,961 INFO L168 Benchmark]: Boogie Preprocessor took 83.26 ms. Allocated memory is still 52.4 MB. Free memory was 29.8 MB in the beginning and 27.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:34,962 INFO L168 Benchmark]: RCFGBuilder took 12408.41 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.6 MB in the beginning and 38.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:34,962 INFO L168 Benchmark]: TraceAbstraction took 5084.72 ms. Allocated memory is still 62.9 MB. Free memory was 37.9 MB in the beginning and 23.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:34,963 INFO L168 Benchmark]: Witness Printer took 103.55 ms. Allocated memory is still 62.9 MB. Free memory was 23.7 MB in the beginning and 39.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:07:34,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 34.3 MB in the beginning and 34.3 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 461.94 ms. Allocated memory is still 52.4 MB. Free memory was 28.2 MB in the beginning and 32.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.07 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 29.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.26 ms. Allocated memory is still 52.4 MB. Free memory was 29.8 MB in the beginning and 27.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12408.41 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.6 MB in the beginning and 38.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5084.72 ms. Allocated memory is still 62.9 MB. Free memory was 37.9 MB in the beginning and 23.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Witness Printer took 103.55 ms. Allocated memory is still 62.9 MB. Free memory was 23.7 MB in the beginning and 39.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L155] double x = 1.0 / 0.0; [L47] double y, hi, lo, c, t; [L48] __int32_t k = 0, xsb; [L49] __uint32_t hx; VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L52] ieee_double_shape_type gh_u; [L53] gh_u.value = (x) [L54] EXPR gh_u.parts.msw [L54] (hx) = gh_u.parts.msw [L56] xsb = (hx >> 31) & 1 [L57] hx &= 0x7fffffff VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L59] COND TRUE hx >= 0x40862E42 VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L60] COND TRUE hx >= 0x7ff00000 [L61] __uint32_t lx; VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L63] ieee_double_shape_type gl_u; [L64] gl_u.value = (x) [L65] EXPR gl_u.parts.lsw [L65] (lx) = gl_u.parts.lsw [L67] COND FALSE !(((hx & 0xfffff) | lx) != 0) VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L70] EXPR (xsb == 0) ? x : 0.0 VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L70] return (xsb == 0) ? x : 0.0; [L156] double res = __ieee754_exp(x); [L135] __int32_t hx, lx; VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L137] ieee_double_shape_type ew_u; [L138] ew_u.value = (x) [L139] EXPR ew_u.parts.msw [L139] (hx) = ew_u.parts.msw [L140] EXPR ew_u.parts.lsw [L140] (lx) = ew_u.parts.lsw [L142] hx &= 0x7fffffff [L143] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L144] hx = 0x7ff00000 - hx [L145] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L159] COND TRUE !isinf_double(x) [L3] __assert_fail("0", "double_req_bl_0834.c", 3, "reach_error") VAL [halF_exp={-2147483646:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={538968073:0}, ln2LO_exp={9:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 139 SDslu, 8 SDs, 0 SdLazy, 27 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 20 QuantifiedInterpolants, 8230 SizeOfPredicates, 16 NumberOfNonLiveVariables, 306 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...