./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0470_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:37:36,596 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:37:36,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:37:36,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:37:36,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:37:36,604 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:37:36,605 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:37:36,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:37:36,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:37:36,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:37:36,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:37:36,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:37:36,609 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:37:36,610 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:37:36,611 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:37:36,611 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:37:36,612 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:37:36,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:37:36,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:37:36,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:37:36,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:37:36,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:37:36,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:37:36,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:37:36,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:37:36,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:37:36,621 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:37:36,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:37:36,622 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:37:36,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:37:36,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:37:36,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:37:36,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:37:36,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:37:36,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:37:36,624 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:37:36,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 07:37:36,634 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:37:36,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:37:36,635 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:37:36,635 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:37:36,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:37:36,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:37:36,635 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:37:36,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:37:36,636 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:37:36,636 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:37:36,636 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:37:36,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:37:36,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:37:36,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:37:36,637 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:37:36,637 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:37:36,637 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:37:36,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:37:36,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:37:36,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:37:36,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:37:36,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:37:36,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:37:36,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:37:36,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:37:36,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:37:36,638 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:37:36,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:37:36,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:37:36,639 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/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(__VERIFIER_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 -> 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 [2018-11-10 07:37:36,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:37:36,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:37:36,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:37:36,671 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:37:36,671 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:37:36,672 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-11-10 07:37:36,708 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/562f455a0/e570bb8e88a84b4e9bbbafa45f531b22/FLAG841c17b23 [2018-11-10 07:37:37,116 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:37:37,117 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/sv-benchmarks/c/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-11-10 07:37:37,123 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/562f455a0/e570bb8e88a84b4e9bbbafa45f531b22/FLAG841c17b23 [2018-11-10 07:37:37,134 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/562f455a0/e570bb8e88a84b4e9bbbafa45f531b22 [2018-11-10 07:37:37,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:37:37,137 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:37:37,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:37:37,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:37:37,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:37:37,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbc8502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37, skipping insertion in model container [2018-11-10 07:37:37,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:37:37,166 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:37:37,296 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:37:37,299 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:37:37,326 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:37:37,343 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:37:37,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37 WrapperNode [2018-11-10 07:37:37,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:37:37,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:37:37,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:37:37,344 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:37:37,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... [2018-11-10 07:37:37,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:37:37,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:37:37,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:37:37,418 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:37:37,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/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 [2018-11-10 07:37:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:37:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:37:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 07:37:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 07:37:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-11-10 07:37:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:37:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:37:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 07:37:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-11-10 07:37:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:37:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:37:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:37:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 07:37:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 07:37:37,813 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:37:37,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:37 BoogieIcfgContainer [2018-11-10 07:37:37,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:37:37,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:37:37,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:37:37,816 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:37:37,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:37:37" (1/3) ... [2018-11-10 07:37:37,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e542c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:37, skipping insertion in model container [2018-11-10 07:37:37,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:37" (2/3) ... [2018-11-10 07:37:37,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e542c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:37, skipping insertion in model container [2018-11-10 07:37:37,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:37" (3/3) ... [2018-11-10 07:37:37,818 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0470_true-unreach-call.c [2018-11-10 07:37:37,824 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:37:37,830 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:37:37,841 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:37:37,868 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:37:37,868 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:37:37,868 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:37:37,868 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:37:37,869 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:37:37,869 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:37:37,869 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:37:37,869 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:37:37,869 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:37:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-10 07:37:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 07:37:37,889 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:37,889 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:37,891 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:37,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:37,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1102411470, now seen corresponding path program 1 times [2018-11-10 07:37:37,895 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:37:37,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:37:37,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:37,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:37,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:38,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:38,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:37:38,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:37:38,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:37:38,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:37:38,014 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-11-10 07:37:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:38,039 INFO L93 Difference]: Finished difference Result 210 states and 272 transitions. [2018-11-10 07:37:38,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:37:38,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-10 07:37:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:38,048 INFO L225 Difference]: With dead ends: 210 [2018-11-10 07:37:38,048 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 07:37:38,051 INFO L605 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 [2018-11-10 07:37:38,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 07:37:38,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-10 07:37:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-10 07:37:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2018-11-10 07:37:38,081 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 22 [2018-11-10 07:37:38,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:38,082 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2018-11-10 07:37:38,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:37:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2018-11-10 07:37:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 07:37:38,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:38,083 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:38,083 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:38,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:38,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1676661448, now seen corresponding path program 1 times [2018-11-10 07:37:38,084 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:37:38,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:37:38,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:38,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:38,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:37:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:37:38,152 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 07:37:38,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:37:38 BoogieIcfgContainer [2018-11-10 07:37:38,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:37:38,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:37:38,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:37:38,185 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:37:38,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:37" (3/4) ... [2018-11-10 07:37:38,187 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:37:38,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:37:38,188 INFO L168 Benchmark]: Toolchain (without parser) took 1051.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -102.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:37:38,189 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:37:38,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.00 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 938.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:37:38,190 INFO L168 Benchmark]: Boogie Preprocessor took 73.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:37:38,190 INFO L168 Benchmark]: RCFGBuilder took 395.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:37:38,191 INFO L168 Benchmark]: TraceAbstraction took 370.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:37:38,191 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:37:38,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.00 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 938.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 395.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 370.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of bitwiseAnd at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 169. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L84-L91] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [\old(one_acos)=4294967315, \old(one_sqrt)=4294967306, \old(pi)=4294967308, \old(pi)=4294967318, \old(pi)=4294967305, \old(pS0_acos)=4294967300, \old(pS1_acos)=4294967316, \old(pS2_acos)=4294967317, \old(pS3_acos)=4294967303, \old(pS4_acos)=4294967307, \old(pS5_acos)=4294967319, \old(qS1_acos)=4294967302, \old(qS2_acos)=4294967309, \old(qS3_acos)=4294967313, \old(qS4_acos)=4294967304, \old(tiny_sqrt)=4294967314, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L169] float x = 0.0f / 0.0f; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L170] CALL, EXPR __ieee754_acosf(x) VAL [\old(x)=4294967310, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L94] float z, p, q, r, w, s, c, df; [L95] __int32_t hx, ix; VAL [\old(x)=4294967310, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L97] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=4294967310, gf_u={4294967311:0}, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L98] FCALL gf_u.value = (x) VAL [\old(x)=4294967310, gf_u={4294967311:0}, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L99] EXPR, FCALL gf_u.word VAL [\old(x)=4294967310, gf_u={4294967311:0}, gf_u.word=4294967299, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L99] (hx) = gf_u.word [L100] COND FALSE !(0) VAL [\old(x)=4294967310, hx=3, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L101] ix = hx & 0x7fffffff VAL [\old(x)=4294967310, hx=3, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L102] COND TRUE ix == 0x3f800000 VAL [\old(x)=4294967310, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L103] COND TRUE hx > 0 [L104] RET return 0.0; VAL [\old(x)=4294967310, \result=0, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L170] EXPR __ieee754_acosf(x) VAL [__ieee754_acosf(x)=0, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L170] float res = __ieee754_acosf(x); [L173] CALL, EXPR isnan_float(res) VAL [\old(x)=0, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=0, \result=0, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L173] EXPR isnan_float(res) VAL [isnan_float(res)=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L173] COND TRUE !isnan_float(res) [L174] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 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=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-1dbac8b [2018-11-10 07:37:39,622 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:37:39,623 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:37:39,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:37:39,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:37:39,631 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:37:39,632 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:37:39,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:37:39,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:37:39,634 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:37:39,635 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:37:39,635 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:37:39,636 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:37:39,637 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:37:39,638 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:37:39,638 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:37:39,639 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:37:39,640 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:37:39,641 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:37:39,642 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:37:39,643 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:37:39,644 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:37:39,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:37:39,646 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:37:39,646 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:37:39,647 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:37:39,648 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:37:39,649 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:37:39,649 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:37:39,650 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:37:39,650 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:37:39,650 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:37:39,651 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:37:39,651 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:37:39,652 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:37:39,652 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:37:39,652 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 07:37:39,663 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:37:39,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:37:39,664 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:37:39,664 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:37:39,664 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:37:39,664 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:37:39,664 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:37:39,665 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:37:39,665 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:37:39,666 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:37:39,666 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:37:39,666 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:37:39,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:37:39,666 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:37:39,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:37:39,666 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:37:39,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:37:39,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:37:39,667 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:37:39,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:37:39,667 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 07:37:39,667 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:37:39,668 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:37:39,669 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:37:39,669 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/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(__VERIFIER_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 -> 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 [2018-11-10 07:37:39,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:37:39,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:37:39,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:37:39,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:37:39,711 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:37:39,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-11-10 07:37:39,753 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/10c7ae49b/c4c90e2bced149a58db8808ad76db8d2/FLAG5a0c588ca [2018-11-10 07:37:40,089 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:37:40,089 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/sv-benchmarks/c/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-11-10 07:37:40,095 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/10c7ae49b/c4c90e2bced149a58db8808ad76db8d2/FLAG5a0c588ca [2018-11-10 07:37:40,105 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/data/10c7ae49b/c4c90e2bced149a58db8808ad76db8d2 [2018-11-10 07:37:40,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:37:40,108 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:37:40,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:37:40,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:37:40,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:37:40,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a44af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40, skipping insertion in model container [2018-11-10 07:37:40,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:37:40,138 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:37:40,281 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:37:40,286 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:37:40,322 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:37:40,341 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:37:40,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40 WrapperNode [2018-11-10 07:37:40,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:37:40,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:37:40,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:37:40,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:37:40,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2018-11-10 07:37:40,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:37:40,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:37:40,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:37:40,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:37:40,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/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 [2018-11-10 07:37:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:37:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:37:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 07:37:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 07:37:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-11-10 07:37:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:37:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:37:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 07:37:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 07:37:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 07:37:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:37:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 07:37:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 07:37:40,604 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:37:40,611 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:37:47,293 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:37:47,297 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:37:50,082 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:37:50,086 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:37:50,090 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:37:50,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:50 BoogieIcfgContainer [2018-11-10 07:37:50,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:37:50,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:37:50,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:37:50,093 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:37:50,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:37:40" (1/3) ... [2018-11-10 07:37:50,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778a36e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:50, skipping insertion in model container [2018-11-10 07:37:50,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (2/3) ... [2018-11-10 07:37:50,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778a36e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:50, skipping insertion in model container [2018-11-10 07:37:50,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:50" (3/3) ... [2018-11-10 07:37:50,096 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0470_true-unreach-call.c [2018-11-10 07:37:50,101 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:37:50,106 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:37:50,114 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:37:50,134 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:37:50,135 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:37:50,135 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:37:50,135 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:37:50,135 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:37:50,135 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:37:50,135 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:37:50,135 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:37:50,135 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:37:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-11-10 07:37:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:37:50,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:50,151 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:50,153 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:50,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:50,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1249525969, now seen corresponding path program 1 times [2018-11-10 07:37:50,159 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:37:50,159 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/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 [2018-11-10 07:37:50,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:50,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:37:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:50,241 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:37:50,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:50,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:37:50,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:37:50,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:37:50,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:37:50,268 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-11-10 07:37:50,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:50,296 INFO L93 Difference]: Finished difference Result 208 states and 270 transitions. [2018-11-10 07:37:50,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:37:50,297 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 07:37:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:50,307 INFO L225 Difference]: With dead ends: 208 [2018-11-10 07:37:50,307 INFO L226 Difference]: Without dead ends: 104 [2018-11-10 07:37:50,311 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:37:50,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-10 07:37:50,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-10 07:37:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-10 07:37:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-11-10 07:37:50,352 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 21 [2018-11-10 07:37:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:50,353 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-11-10 07:37:50,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:37:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-11-10 07:37:50,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 07:37:50,354 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:50,354 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:50,354 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:50,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:50,355 INFO L82 PathProgramCache]: Analyzing trace with hash -569388593, now seen corresponding path program 1 times [2018-11-10 07:37:50,355 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:37:50,355 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/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 [2018-11-10 07:37:50,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:50,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:37:50,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 07:37:50,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 07:37:50,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:37:50,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:37:50,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:37:50,499 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 07:37:50,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 07:37:50,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 07:37:50,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:37:50,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:37:50,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:37:50,532 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 07:37:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:50,626 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:37:50,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:50,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:37:50,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:37:50,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:37:50,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:37:50,636 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 9 states. [2018-11-10 07:37:56,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:56,530 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2018-11-10 07:37:56,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 07:37:56,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-10 07:37:56,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:56,532 INFO L225 Difference]: With dead ends: 116 [2018-11-10 07:37:56,533 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 07:37:56,533 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 07:37:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 07:37:56,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-11-10 07:37:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-10 07:37:56,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-11-10 07:37:56,540 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 30 [2018-11-10 07:37:56,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:56,540 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-11-10 07:37:56,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:37:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-11-10 07:37:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 07:37:56,541 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:56,541 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:56,541 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:56,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:56,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1946778321, now seen corresponding path program 1 times [2018-11-10 07:37:56,541 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:37:56,542 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/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 [2018-11-10 07:37:56,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:56,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:37:58,972 WARN L179 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-10 07:38:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:38:01,061 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:38:01,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:38:01,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:38:01,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:38:01,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:38:01,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:38:01,071 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 9 states. [2018-11-10 07:38:04,980 WARN L179 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 07:38:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:38:18,093 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2018-11-10 07:38:18,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 07:38:18,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-10 07:38:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:38:18,095 INFO L225 Difference]: With dead ends: 112 [2018-11-10 07:38:18,095 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 07:38:18,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:38:18,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 07:38:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-11-10 07:38:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-10 07:38:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-11-10 07:38:18,101 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 30 [2018-11-10 07:38:18,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:38:18,101 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-11-10 07:38:18,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:38:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-11-10 07:38:18,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 07:38:18,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:38:18,102 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:38:18,102 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:38:18,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:38:18,103 INFO L82 PathProgramCache]: Analyzing trace with hash 182324299, now seen corresponding path program 1 times [2018-11-10 07:38:18,103 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:38:18,103 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 07:38:18,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:38:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:38:18,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:38:18,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 07:38:18,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 07:38:18,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:38:18,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:18,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:18,203 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 07:38:18,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 07:38:18,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 07:38:18,221 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:38:18,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:18,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:18,226 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 07:38:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:38:18,316 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:38:18,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:38:18,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:38:18,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:38:18,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:38:18,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:38:18,329 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 9 states. [2018-11-10 07:38:24,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:38:24,264 INFO L93 Difference]: Finished difference Result 113 states and 126 transitions. [2018-11-10 07:38:24,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 07:38:24,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-10 07:38:24,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:38:24,266 INFO L225 Difference]: With dead ends: 113 [2018-11-10 07:38:24,266 INFO L226 Difference]: Without dead ends: 80 [2018-11-10 07:38:24,267 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 07:38:24,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-10 07:38:24,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-10 07:38:24,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-10 07:38:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2018-11-10 07:38:24,270 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 32 [2018-11-10 07:38:24,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:38:24,271 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2018-11-10 07:38:24,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:38:24,271 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2018-11-10 07:38:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 07:38:24,271 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:38:24,271 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:38:24,271 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:38:24,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:38:24,272 INFO L82 PathProgramCache]: Analyzing trace with hash -14189206, now seen corresponding path program 1 times [2018-11-10 07:38:24,272 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:38:24,272 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 07:38:24,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:38:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:38:25,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:38:25,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 07:38:25,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 07:38:25,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:38:25,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:25,310 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:25,310 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 07:38:25,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 07:38:25,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 07:38:25,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:38:25,327 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:25,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:25,329 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 07:38:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:38:25,407 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:38:25,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:38:25,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:38:25,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:38:25,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:38:25,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:38:25,425 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 9 states. [2018-11-10 07:38:30,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:38:30,693 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2018-11-10 07:38:30,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 07:38:30,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-10 07:38:30,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:38:30,694 INFO L225 Difference]: With dead ends: 90 [2018-11-10 07:38:30,694 INFO L226 Difference]: Without dead ends: 79 [2018-11-10 07:38:30,695 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 07:38:30,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-10 07:38:30,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-11-10 07:38:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-10 07:38:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2018-11-10 07:38:30,700 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 32 [2018-11-10 07:38:30,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:38:30,700 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2018-11-10 07:38:30,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:38:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2018-11-10 07:38:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 07:38:30,701 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:38:30,701 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:38:30,702 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:38:30,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:38:30,702 INFO L82 PathProgramCache]: Analyzing trace with hash -231609589, now seen corresponding path program 1 times [2018-11-10 07:38:30,702 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:38:30,702 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-10 07:38:30,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:38:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:38:31,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:38:31,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 07:38:31,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 07:38:31,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:38:31,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:31,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:31,844 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 07:38:31,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 07:38:31,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 07:38:31,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 07:38:31,866 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:31,868 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 07:38:31,868 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 07:38:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:38:31,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:38:31,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:38:31,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:38:31,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:38:31,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:38:31,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:38:31,984 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand 9 states. [2018-11-10 07:38:34,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:38:34,686 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2018-11-10 07:38:34,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 07:38:34,687 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2018-11-10 07:38:34,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:38:34,687 INFO L225 Difference]: With dead ends: 79 [2018-11-10 07:38:34,687 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:38:34,687 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 07:38:34,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:38:34,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:38:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:38:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:38:34,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-11-10 07:38:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:38:34,688 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:38:34,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:38:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:38:34,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:38:34,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L130-1(line 130) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L97-2(line 97) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L97-3(line 97) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 159) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point __ieee754_acosfFINAL(lines 93 160) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-10 07:38:34,860 INFO L425 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L147-2(line 147) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 159) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L421 ceAbstractionStarter]: At program point L139-3(lines 139 143) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32)))))) [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 109) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L428 ceAbstractionStarter]: At program point __ieee754_acosfENTRY(lines 93 160) the Hoare annotation is: true [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 148) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L144-2(lines 134 159) no Hoare annotation was computed. [2018-11-10 07:38:34,861 INFO L425 ceAbstractionStarter]: For program point L144-3(lines 144 148) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L140-3(line 140) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L99-2(line 99) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point __ieee754_acosfEXIT(lines 93 160) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L145-3(line 145) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-10 07:38:34,862 INFO L421 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32)))))) [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L421 ceAbstractionStarter]: At program point L96-3(lines 96 100) the Hoare annotation is: (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L96-4(lines 96 100) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 07:38:34,863 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 162 179) the Hoare annotation is: true [2018-11-10 07:38:34,863 INFO L421 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= (let ((.cse0 (fp.sub RNE .cse1 .cse1))) (fp.div RNE .cse0 .cse0)) main_~res~0) (= .cse1 main_~x~0))) [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 162 179) no Hoare annotation was computed. [2018-11-10 07:38:34,863 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 162 179) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L428 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-11-10 07:38:34,864 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L428 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-11-10 07:38:34,865 INFO L425 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L428 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-10 07:38:34,866 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-11-10 07:38:34,867 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-10 07:38:34,867 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-10 07:38:34,867 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-10 07:38:34,867 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-11-10 07:38:34,867 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-11-10 07:38:34,872 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,874 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,874 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,878 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,878 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,878 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:38:34 BoogieIcfgContainer [2018-11-10 07:38:34,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:38:34,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:38:34,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:38:34,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:38:34,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:50" (3/4) ... [2018-11-10 07:38:34,882 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:38:34,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 07:38:34,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acosf [2018-11-10 07:38:34,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:38:34,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:38:34,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-10 07:38:34,890 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-10 07:38:34,890 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 07:38:34,891 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 07:38:34,891 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:38:34,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 07:38:34,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]))) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !~bvsgt32(~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32), 1065353216bv32)) [2018-11-10 07:38:34,933 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e83a8c40-7ee4-4bbc-8792-7149784a7c57/bin-2019/uautomizer/witness.graphml [2018-11-10 07:38:34,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:38:34,934 INFO L168 Benchmark]: Toolchain (without parser) took 54826.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 656.5 kB. Max. memory is 11.5 GB. [2018-11-10 07:38:34,935 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:38:34,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.04 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:34,935 INFO L168 Benchmark]: Boogie Preprocessor took 45.17 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:34,935 INFO L168 Benchmark]: RCFGBuilder took 9702.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:34,936 INFO L168 Benchmark]: TraceAbstraction took 44788.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -73.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:38:34,936 INFO L168 Benchmark]: Witness Printer took 53.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:34,937 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.04 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.17 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9702.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44788.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -73.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 53.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant [2018-11-10 07:38:34,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-10 07:38:34,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]))) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !~bvsgt32(~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32), 1065353216bv32)) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 108 locations, 1 error locations. SAFE Result, 44.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 36.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 594 SDtfs, 323 SDslu, 2898 SDs, 0 SdLazy, 368 SolverSat, 18 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 30.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 37 PreInvPairs, 50 NumberOfFragments, 160 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 188 ConstructedInterpolants, 24 QuantifiedInterpolants, 36164 SizeOfPredicates, 36 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...