./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.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_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/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 755a3cc6a0c274616c745647082171c18148354d ................................................................................................................................................................................................................................................................................................ 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_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/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 755a3cc6a0c274616c745647082171c18148354d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:03:11,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:03:11,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:03:11,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:03:11,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:03:11,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:03:11,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:03:11,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:03:12,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:03:12,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:03:12,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:03:12,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:03:12,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:03:12,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:03:12,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:03:12,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:03:12,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:03:12,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:03:12,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:03:12,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:03:12,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:03:12,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:03:12,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:03:12,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:03:12,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:03:12,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:03:12,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:03:12,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:03:12,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:03:12,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:03:12,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:03:12,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:03:12,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:03:12,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:03:12,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:03:12,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:03:12,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:03:12,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:03:12,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:03:12,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:03:12,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:03:12,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:03:12,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:03:12,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:03:12,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:03:12,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:03:12,128 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:03:12,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:03:12,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:03:12,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:03:12,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:03:12,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:03:12,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:03:12,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:03:12,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:03:12,132 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:03:12,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:03:12,132 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:03:12,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:03:12,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:03:12,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:03:12,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:03:12,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:03:12,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:12,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:03:12,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:03:12,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:03:12,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:03:12,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:03:12,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:03:12,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:03:12,137 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_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-11-30 01:03:12,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:03:12,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:03:12,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:03:12,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:03:12,545 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:03:12,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-30 01:03:12,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/980557bdd/e3aa5b46d3eb4fa89dbb05fb34763d97/FLAG5ac288397 [2020-11-30 01:03:13,441 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:03:13,442 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-30 01:03:13,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/980557bdd/e3aa5b46d3eb4fa89dbb05fb34763d97/FLAG5ac288397 [2020-11-30 01:03:13,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/980557bdd/e3aa5b46d3eb4fa89dbb05fb34763d97 [2020-11-30 01:03:13,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:03:13,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:03:13,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:13,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:03:13,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:03:13,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3ec92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13, skipping insertion in model container [2020-11-30 01:03:13,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:03:13,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:03:14,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:14,162 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:03:14,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:14,236 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:03:14,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14 WrapperNode [2020-11-30 01:03:14,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:14,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:14,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:03:14,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:03:14,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:14,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:03:14,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:03:14,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:03:14,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... [2020-11-30 01:03:14,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:03:14,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:03:14,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:03:14,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:03:14,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:14,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:03:14,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:03:14,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:03:14,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:03:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:03:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:03:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:03:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:03:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:03:15,303 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:03:15,303 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 01:03:15,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:15 BoogieIcfgContainer [2020-11-30 01:03:15,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:03:15,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:03:15,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:03:15,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:03:15,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:03:13" (1/3) ... [2020-11-30 01:03:15,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e5765b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:15, skipping insertion in model container [2020-11-30 01:03:15,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:14" (2/3) ... [2020-11-30 01:03:15,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e5765b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:15, skipping insertion in model container [2020-11-30 01:03:15,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:15" (3/3) ... [2020-11-30 01:03:15,319 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2020-11-30 01:03:15,336 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:03:15,343 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:03:15,358 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:03:15,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:03:15,391 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:03:15,391 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:03:15,391 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:03:15,391 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:03:15,392 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:03:15,392 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:03:15,392 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:03:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-11-30 01:03:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:03:15,419 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:15,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:15,420 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:15,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:15,428 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2020-11-30 01:03:15,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:15,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176159175] [2020-11-30 01:03:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:15,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176159175] [2020-11-30 01:03:15,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:15,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:03:15,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488426260] [2020-11-30 01:03:15,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:03:15,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:15,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:03:15,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:15,721 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2020-11-30 01:03:15,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:15,767 INFO L93 Difference]: Finished difference Result 97 states and 153 transitions. [2020-11-30 01:03:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:03:15,769 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-11-30 01:03:15,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:15,814 INFO L225 Difference]: With dead ends: 97 [2020-11-30 01:03:15,814 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 01:03:15,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:15,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 01:03:15,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-30 01:03:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 01:03:15,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-11-30 01:03:15,918 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2020-11-30 01:03:15,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:15,932 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-11-30 01:03:15,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:03:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-11-30 01:03:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:03:15,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:15,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:15,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:03:15,937 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:15,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:15,942 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2020-11-30 01:03:15,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:15,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374152879] [2020-11-30 01:03:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:16,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:16,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:16,221 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:16,221 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:03:16,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:03:16,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:03:16 BoogieIcfgContainer [2020-11-30 01:03:16,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:03:16,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:03:16,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:03:16,275 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:03:16,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:15" (3/4) ... [2020-11-30 01:03:16,279 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:03:16,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:03:16,281 INFO L168 Benchmark]: Toolchain (without parser) took 2496.80 ms. Allocated memory is still 153.1 MB. Free memory was 123.4 MB in the beginning and 122.7 MB in the end (delta: 695.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:16,282 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 100.7 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:16,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.34 ms. Allocated memory is still 153.1 MB. Free memory was 123.0 MB in the beginning and 127.6 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:16,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.16 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 125.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:16,285 INFO L168 Benchmark]: Boogie Preprocessor took 57.92 ms. Allocated memory is still 153.1 MB. Free memory was 125.6 MB in the beginning and 123.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:16,286 INFO L168 Benchmark]: RCFGBuilder took 936.42 ms. Allocated memory is still 153.1 MB. Free memory was 123.5 MB in the beginning and 97.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:16,286 INFO L168 Benchmark]: TraceAbstraction took 964.57 ms. Allocated memory is still 153.1 MB. Free memory was 97.0 MB in the beginning and 123.4 MB in the end (delta: -26.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:16,287 INFO L168 Benchmark]: Witness Printer took 5.39 ms. Allocated memory is still 153.1 MB. Free memory was 123.4 MB in the beginning and 122.7 MB in the end (delta: 710.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:16,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 100.7 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.34 ms. Allocated memory is still 153.1 MB. Free memory was 123.0 MB in the beginning and 127.6 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.16 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 125.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.92 ms. Allocated memory is still 153.1 MB. Free memory was 125.6 MB in the beginning and 123.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 936.42 ms. Allocated memory is still 153.1 MB. Free memory was 123.5 MB in the beginning and 97.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 964.57 ms. Allocated memory is still 153.1 MB. Free memory was 97.0 MB in the beginning and 123.4 MB in the end (delta: -26.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.39 ms. Allocated memory is still 153.1 MB. Free memory was 123.4 MB in the beginning and 122.7 MB in the end (delta: 710.6 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 someBinaryDOUBLEComparisonOperation at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double x = -1.0 / 0.0; [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L142] double res = __ieee754_sqrt(x); [L132] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L145] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0740.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 68 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=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 [2020-11-30 01:03:19,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:03:19,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:03:19,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:03:19,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:03:19,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:03:19,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:03:19,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:03:19,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:03:19,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:03:19,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:03:19,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:03:19,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:03:19,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:03:19,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:03:19,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:03:19,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:03:19,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:03:19,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:03:19,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:03:19,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:03:19,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:03:19,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:03:19,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:03:19,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:03:20,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:03:20,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:03:20,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:03:20,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:03:20,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:03:20,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:03:20,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:03:20,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:03:20,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:03:20,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:03:20,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:03:20,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:03:20,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:03:20,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:03:20,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:03:20,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:03:20,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:03:20,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:03:20,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:03:20,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:03:20,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:03:20,107 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:03:20,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:03:20,108 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:03:20,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:03:20,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:03:20,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:03:20,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:03:20,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:03:20,109 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:03:20,109 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:03:20,110 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:03:20,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:03:20,110 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:03:20,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:03:20,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:03:20,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:03:20,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:03:20,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:03:20,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:20,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:03:20,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:03:20,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:03:20,113 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:03:20,113 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:03:20,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:03:20,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:03:20,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:03:20,114 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_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-11-30 01:03:20,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:03:20,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:03:20,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:03:20,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:03:20,693 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:03:20,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-30 01:03:20,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/69f5f26a3/233cf588e39d452190b2c3799b350de5/FLAG0798a6588 [2020-11-30 01:03:21,693 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:03:21,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-30 01:03:21,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/69f5f26a3/233cf588e39d452190b2c3799b350de5/FLAG0798a6588 [2020-11-30 01:03:21,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/data/69f5f26a3/233cf588e39d452190b2c3799b350de5 [2020-11-30 01:03:21,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:03:21,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:03:21,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:21,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:03:21,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:03:21,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:21" (1/1) ... [2020-11-30 01:03:21,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e35ae68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:21, skipping insertion in model container [2020-11-30 01:03:21,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:21" (1/1) ... [2020-11-30 01:03:21,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:03:22,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:03:22,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:22,303 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:03:22,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:22,403 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:03:22,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22 WrapperNode [2020-11-30 01:03:22,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:22,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:22,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:03:22,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:03:22,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:22,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:03:22,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:03:22,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:03:22,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... [2020-11-30 01:03:22,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:03:22,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:03:22,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:03:22,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:03:22,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 01:03:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 01:03:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:03:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:03:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:03:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:03:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:03:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:03:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:03:27,341 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:03:27,342 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 01:03:27,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:27 BoogieIcfgContainer [2020-11-30 01:03:27,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:03:27,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:03:27,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:03:27,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:03:27,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:03:21" (1/3) ... [2020-11-30 01:03:27,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706e3712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:27, skipping insertion in model container [2020-11-30 01:03:27,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:22" (2/3) ... [2020-11-30 01:03:27,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706e3712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:27, skipping insertion in model container [2020-11-30 01:03:27,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:27" (3/3) ... [2020-11-30 01:03:27,357 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2020-11-30 01:03:27,374 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:03:27,380 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:03:27,398 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:03:27,433 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:03:27,434 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:03:27,434 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:03:27,434 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:03:27,435 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:03:27,435 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:03:27,435 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:03:27,436 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:03:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-11-30 01:03:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:03:27,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:27,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:27,463 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:27,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:27,471 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2020-11-30 01:03:27,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:03:27,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306064627] [2020-11-30 01:03:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 01:03:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:28,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:03:28,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:28,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:03:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:28,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306064627] [2020-11-30 01:03:28,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:28,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:03:28,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693500802] [2020-11-30 01:03:28,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:03:28,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:03:28,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:03:28,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:28,326 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2020-11-30 01:03:28,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:28,355 INFO L93 Difference]: Finished difference Result 97 states and 153 transitions. [2020-11-30 01:03:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:03:28,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-11-30 01:03:28,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:28,370 INFO L225 Difference]: With dead ends: 97 [2020-11-30 01:03:28,371 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 01:03:28,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:28,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 01:03:28,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-30 01:03:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 01:03:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-11-30 01:03:28,417 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2020-11-30 01:03:28,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:28,417 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-11-30 01:03:28,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:03:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-11-30 01:03:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:03:28,419 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:28,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:28,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:03:28,624 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:28,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:28,626 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2020-11-30 01:03:28,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:03:28,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512346978] [2020-11-30 01:03:28,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 01:03:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:29,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 01:03:29,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:29,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:03:48,876 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 13 [2020-11-30 01:03:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:48,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512346978] [2020-11-30 01:03:48,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:48,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-30 01:03:48,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326403004] [2020-11-30 01:03:48,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 01:03:48,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:03:48,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 01:03:48,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=64, Unknown=5, NotChecked=0, Total=90 [2020-11-30 01:03:48,912 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 10 states. [2020-11-30 01:03:55,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:55,412 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-11-30 01:03:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:03:55,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2020-11-30 01:03:55,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:55,415 INFO L225 Difference]: With dead ends: 51 [2020-11-30 01:03:55,415 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 01:03:55,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=48, Invalid=103, Unknown=5, NotChecked=0, Total=156 [2020-11-30 01:03:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 01:03:55,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-30 01:03:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 01:03:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2020-11-30 01:03:55,428 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 9 [2020-11-30 01:03:55,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:55,428 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2020-11-30 01:03:55,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 01:03:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2020-11-30 01:03:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:03:55,430 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:55,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:55,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:03:55,645 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:55,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:55,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2020-11-30 01:03:55,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:03:55,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564012958] [2020-11-30 01:03:55,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 01:03:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:55,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:03:55,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:55,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:03:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:56,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564012958] [2020-11-30 01:03:56,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:56,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-30 01:03:56,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37034599] [2020-11-30 01:03:56,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:03:56,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:03:56,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:03:56,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:03:56,084 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand 6 states. [2020-11-30 01:03:56,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:56,205 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2020-11-30 01:03:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:03:56,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-30 01:03:56,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:56,205 INFO L225 Difference]: With dead ends: 46 [2020-11-30 01:03:56,206 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:03:56,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:03:56,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:03:56,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:03:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:03:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:03:56,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-11-30 01:03:56,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:56,208 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:03:56,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:03:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:03:56,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:03:56,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:03:56,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:03:56,614 INFO L274 CegarLoopResult]: For program point L60(lines 60 63) no Hoare annotation was computed. [2020-11-30 01:03:56,614 INFO L274 CegarLoopResult]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2020-11-30 01:03:56,615 INFO L274 CegarLoopResult]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2020-11-30 01:03:56,615 INFO L270 CegarLoopResult]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-30 01:03:56,615 INFO L274 CegarLoopResult]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2020-11-30 01:03:56,615 INFO L274 CegarLoopResult]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2020-11-30 01:03:56,616 INFO L270 CegarLoopResult]: At program point L52-3(lines 52 53) the Hoare annotation is: false [2020-11-30 01:03:56,616 INFO L274 CegarLoopResult]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2020-11-30 01:03:56,616 INFO L274 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2020-11-30 01:03:56,616 INFO L274 CegarLoopResult]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2020-11-30 01:03:56,616 INFO L274 CegarLoopResult]: For program point L102(lines 102 116) no Hoare annotation was computed. [2020-11-30 01:03:56,616 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:03:56,616 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:03:56,616 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:03:56,617 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:03:56,619 INFO L274 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-11-30 01:03:56,619 INFO L274 CegarLoopResult]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2020-11-30 01:03:56,619 INFO L270 CegarLoopResult]: At program point L128(lines 21 129) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|)) [2020-11-30 01:03:56,620 INFO L274 CegarLoopResult]: For program point L87(lines 87 96) no Hoare annotation was computed. [2020-11-30 01:03:56,620 INFO L274 CegarLoopResult]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2020-11-30 01:03:56,620 INFO L274 CegarLoopResult]: For program point L145(lines 145 148) no Hoare annotation was computed. [2020-11-30 01:03:56,620 INFO L274 CegarLoopResult]: For program point L46(lines 46 57) no Hoare annotation was computed. [2020-11-30 01:03:56,620 INFO L274 CegarLoopResult]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2020-11-30 01:03:56,621 INFO L274 CegarLoopResult]: For program point L104(lines 104 115) no Hoare annotation was computed. [2020-11-30 01:03:56,621 INFO L274 CegarLoopResult]: For program point L38(lines 38 43) no Hoare annotation was computed. [2020-11-30 01:03:56,621 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 81) the Hoare annotation is: false [2020-11-30 01:03:56,621 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2020-11-30 01:03:56,622 INFO L274 CegarLoopResult]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2020-11-30 01:03:56,622 INFO L270 CegarLoopResult]: At program point L47-2(lines 47 51) the Hoare annotation is: false [2020-11-30 01:03:56,622 INFO L274 CegarLoopResult]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2020-11-30 01:03:56,622 INFO L274 CegarLoopResult]: For program point L39(lines 39 42) no Hoare annotation was computed. [2020-11-30 01:03:56,622 INFO L274 CegarLoopResult]: For program point L89(lines 89 90) no Hoare annotation was computed. [2020-11-30 01:03:56,623 INFO L274 CegarLoopResult]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2020-11-30 01:03:56,623 INFO L270 CegarLoopResult]: At program point L122-2(lines 122 127) the Hoare annotation is: false [2020-11-30 01:03:56,623 INFO L274 CegarLoopResult]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2020-11-30 01:03:56,623 INFO L274 CegarLoopResult]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2020-11-30 01:03:56,623 INFO L274 CegarLoopResult]: For program point L106(lines 106 114) no Hoare annotation was computed. [2020-11-30 01:03:56,624 INFO L274 CegarLoopResult]: For program point L73(lines 73 77) no Hoare annotation was computed. [2020-11-30 01:03:56,625 INFO L274 CegarLoopResult]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2020-11-30 01:03:56,625 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:03:56,625 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:03:56,625 INFO L274 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2020-11-30 01:03:56,626 INFO L270 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-11-30 01:03:56,626 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:03:56,626 INFO L274 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-11-30 01:03:56,626 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-11-30 01:03:56,627 INFO L277 CegarLoopResult]: At program point L150(lines 134 151) the Hoare annotation is: true [2020-11-30 01:03:56,627 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 100) the Hoare annotation is: false [2020-11-30 01:03:56,628 INFO L274 CegarLoopResult]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2020-11-30 01:03:56,628 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-30 01:03:56,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:03:56 BoogieIcfgContainer [2020-11-30 01:03:56,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:03:56,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:03:56,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:03:56,682 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:03:56,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:27" (3/4) ... [2020-11-30 01:03:56,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:03:56,704 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-30 01:03:56,705 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-30 01:03:56,706 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:03:56,706 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:03:56,744 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result [2020-11-30 01:03:56,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && 1bv32 == \result [2020-11-30 01:03:56,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e8f55479-ad41-468c-ab6a-cb872ea5e9cb/bin/uautomizer/witness.graphml [2020-11-30 01:03:56,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:03:56,822 INFO L168 Benchmark]: Toolchain (without parser) took 34849.93 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:56,823 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:56,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.98 ms. Allocated memory is still 65.0 MB. Free memory was 44.7 MB in the beginning and 47.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:56,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.96 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 46.1 MB in the end (delta: 708.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:56,825 INFO L168 Benchmark]: Boogie Preprocessor took 60.40 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 44.3 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:56,826 INFO L168 Benchmark]: RCFGBuilder took 4747.34 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 50.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:56,827 INFO L168 Benchmark]: TraceAbstraction took 29327.89 ms. Allocated memory is still 81.8 MB. Free memory was 50.1 MB in the beginning and 47.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:56,827 INFO L168 Benchmark]: Witness Printer took 139.59 ms. Allocated memory is still 81.8 MB. Free memory was 47.4 MB in the beginning and 42.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:56,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 430.98 ms. Allocated memory is still 65.0 MB. Free memory was 44.7 MB in the beginning and 47.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.96 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 46.1 MB in the end (delta: 708.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.40 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 44.3 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 4747.34 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 50.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29327.89 ms. Allocated memory is still 81.8 MB. Free memory was 50.1 MB in the beginning and 47.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. * Witness Printer took 139.59 ms. Allocated memory is still 81.8 MB. Free memory was 47.4 MB in the beginning and 42.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2020-11-30 01:03:56,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2020-11-30 01:03:56,872 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant [2020-11-30 01:03:56,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:03:56,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:03:56,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 127 SDtfs, 71 SDslu, 281 SDs, 0 SdLazy, 58 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 20.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 102 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 4 QuantifiedInterpolants, 2774 SizeOfPredicates, 16 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 19 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 correct! Received shutdown request...