./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_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_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ................................................................................................................................................................................................................................................................................................................................ 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_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:02:11,928 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:02:11,929 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:02:11,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:02:11,938 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:02:11,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:02:11,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:02:11,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:02:11,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:02:11,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:02:11,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:02:11,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:02:11,945 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:02:11,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:02:11,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:02:11,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:02:11,947 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:02:11,949 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:02:11,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:02:11,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:02:11,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:02:11,953 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:02:11,955 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:02:11,955 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:02:11,955 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:02:11,956 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:02:11,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:02:11,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:02:11,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:02:11,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:02:11,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:02:11,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:02:11,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:02:11,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:02:11,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:02:11,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:02:11,968 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 22:02:11,980 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:02:11,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:02:11,982 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:02:11,983 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:02:11,983 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:02:11,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:02:11,985 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:02:11,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:02:11,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:02:11,985 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:02:11,985 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:02:11,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:02:11,985 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:02:11,986 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:02:11,986 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:02:11,986 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:02:11,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:02:11,986 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:02:11,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:02:11,986 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:02:11,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:02:11,987 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:02:11,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:02:11,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:02:11,987 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:02:11,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:02:11,987 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:02:11,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:02:11,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:02:11,988 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_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-10-26 22:02:12,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:02:12,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:02:12,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:02:12,049 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:02:12,050 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:02:12,050 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:02:12,095 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/d21c947fb/2205d3b0f7a64826893233c12eae1466/FLAG501988a9c [2018-10-26 22:02:12,482 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:02:12,482 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:02:12,489 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/d21c947fb/2205d3b0f7a64826893233c12eae1466/FLAG501988a9c [2018-10-26 22:02:12,498 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/d21c947fb/2205d3b0f7a64826893233c12eae1466 [2018-10-26 22:02:12,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:02:12,502 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:02:12,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:02:12,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:02:12,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:02:12,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705c62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12, skipping insertion in model container [2018-10-26 22:02:12,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:02:12,538 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:02:12,694 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:02:12,699 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:02:12,737 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:02:12,762 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:02:12,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12 WrapperNode [2018-10-26 22:02:12,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:02:12,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:02:12,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:02:12,764 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:02:12,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... [2018-10-26 22:02:12,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:02:12,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:02:12,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:02:12,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:02:12,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:02:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:02:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:02:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 22:02:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-10-26 22:02:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 22:02:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:02:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 22:02:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 22:02:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:02:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:02:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-26 22:02:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:02:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-26 22:02:13,571 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:02:13,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:02:13 BoogieIcfgContainer [2018-10-26 22:02:13,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:02:13,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:02:13,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:02:13,575 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:02:13,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:02:12" (1/3) ... [2018-10-26 22:02:13,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3311890f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:02:13, skipping insertion in model container [2018-10-26 22:02:13,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:12" (2/3) ... [2018-10-26 22:02:13,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3311890f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:02:13, skipping insertion in model container [2018-10-26 22:02:13,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:02:13" (3/3) ... [2018-10-26 22:02:13,579 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:02:13,587 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:02:13,593 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:02:13,604 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:02:13,629 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:02:13,630 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:02:13,630 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:02:13,630 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:02:13,630 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:02:13,630 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:02:13,630 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:02:13,630 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:02:13,630 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:02:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2018-10-26 22:02:13,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:02:13,653 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:02:13,653 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] [2018-10-26 22:02:13,655 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:02:13,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:02:13,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1457717352, now seen corresponding path program 1 times [2018-10-26 22:02:13,662 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:02:13,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:02:13,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:02:13,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:02:13,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:02:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:02:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:02:13,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:02:13,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:02:13,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:02:13,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:02:13,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:02:13,828 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 2 states. [2018-10-26 22:02:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:02:13,851 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2018-10-26 22:02:13,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:02:13,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-26 22:02:13,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:02:13,862 INFO L225 Difference]: With dead ends: 193 [2018-10-26 22:02:13,863 INFO L226 Difference]: Without dead ends: 102 [2018-10-26 22:02:13,866 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 [2018-10-26 22:02:13,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-10-26 22:02:13,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-10-26 22:02:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-26 22:02:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2018-10-26 22:02:13,902 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 27 [2018-10-26 22:02:13,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:02:13,903 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2018-10-26 22:02:13,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:02:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2018-10-26 22:02:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 22:02:13,904 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:02:13,904 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] [2018-10-26 22:02:13,904 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:02:13,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:02:13,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2117575272, now seen corresponding path program 1 times [2018-10-26 22:02:13,905 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:02:13,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:02:13,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:02:13,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:02:13,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:02:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:02:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:02:14,005 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:02:14,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:02:14 BoogieIcfgContainer [2018-10-26 22:02:14,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:02:14,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:02:14,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:02:14,055 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:02:14,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:02:13" (3/4) ... [2018-10-26 22:02:14,060 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:02:14,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:02:14,061 INFO L168 Benchmark]: Toolchain (without parser) took 1559.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:02:14,062 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:02:14,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:02:14,063 INFO L168 Benchmark]: Boogie Preprocessor took 59.68 ms. Allocated memory is still 1.0 GB. Free memory was 946.1 MB in the beginning and 943.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:02:14,064 INFO L168 Benchmark]: RCFGBuilder took 747.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:02:14,064 INFO L168 Benchmark]: TraceAbstraction took 482.71 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:02:14,065 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:02:14,067 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.68 ms. Allocated memory is still 1.0 GB. Free memory was 946.1 MB in the beginning and 943.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 747.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 482.71 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=6442450951, \old(halF_exp)=6442450969, \old(huge_exp)=6442450963, \old(invln2_exp)=6442450947, \old(ln2HI_exp)=6442450965, \old(ln2HI_exp)=6442450945, \old(ln2LO_exp)=6442450967, \old(ln2LO_exp)=6442450954, \old(one_exp)=6442450961, \old(P1_exp)=6442450950, \old(P2_exp)=6442450952, \old(P3_exp)=6442450955, \old(P4_exp)=6442450958, \old(P5_exp)=6442450956, \old(twom100_exp)=6442450946, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = 0.0f; VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L42] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=0, gf_u={6442450968:0}, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L43] FCALL gf_u.value = (x) VAL [\old(x)=0, gf_u={6442450968:0}, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L44] EXPR, FCALL gf_u.word VAL [\old(x)=0, gf_u={6442450968:0}, gf_u.word=6442450944, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L44] (sx) = gf_u.word VAL [(sx) = gf_u.word=6442450957, \old(x)=0, gf_u={6442450968:0}, gf_u.word=6442450944, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L45] COND FALSE !(0) VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450959, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450959, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L122] __VERIFIER_error() VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450959, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 116 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=106occurred 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, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 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 [2018-10-26 22:02:15,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:02:15,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:02:15,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:02:15,824 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:02:15,825 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:02:15,826 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:02:15,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:02:15,828 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:02:15,829 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:02:15,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:02:15,830 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:02:15,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:02:15,831 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:02:15,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:02:15,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:02:15,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:02:15,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:02:15,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:02:15,845 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:02:15,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:02:15,846 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:02:15,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:02:15,848 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:02:15,848 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:02:15,850 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:02:15,851 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:02:15,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:02:15,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:02:15,852 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:02:15,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:02:15,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:02:15,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:02:15,853 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:02:15,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:02:15,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:02:15,854 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 22:02:15,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:02:15,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:02:15,868 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:02:15,868 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:02:15,869 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:02:15,869 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:02:15,869 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:02:15,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:02:15,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:02:15,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:02:15,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:02:15,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:02:15,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:02:15,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:02:15,871 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:02:15,871 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:02:15,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:02:15,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:02:15,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:02:15,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:02:15,872 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 22:02:15,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:02:15,872 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:02:15,874 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:02:15,874 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_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-10-26 22:02:15,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:02:15,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:02:15,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:02:15,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:02:15,940 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:02:15,941 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:02:15,993 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/e34518527/ec45edc32be043f494985c2560ffcb30/FLAG9e6314afe [2018-10-26 22:02:16,393 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:02:16,393 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:02:16,400 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/e34518527/ec45edc32be043f494985c2560ffcb30/FLAG9e6314afe [2018-10-26 22:02:16,412 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/data/e34518527/ec45edc32be043f494985c2560ffcb30 [2018-10-26 22:02:16,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:02:16,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:02:16,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:02:16,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:02:16,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:02:16,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd162e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16, skipping insertion in model container [2018-10-26 22:02:16,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:02:16,451 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:02:16,616 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:02:16,622 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:02:16,659 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:02:16,683 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:02:16,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16 WrapperNode [2018-10-26 22:02:16,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:02:16,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:02:16,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:02:16,685 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:02:16,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... [2018-10-26 22:02:16,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:02:16,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:02:16,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:02:16,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:02:16,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:02:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:02:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:02:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 22:02:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-10-26 22:02:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:02:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:02:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 22:02:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 22:02:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-10-26 22:02:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:02:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-26 22:02:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:02:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-26 22:02:17,065 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:17,107 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,011 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,018 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,093 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,109 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,339 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,353 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,382 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,390 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,430 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,433 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:02:25,437 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:02:25,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:02:25 BoogieIcfgContainer [2018-10-26 22:02:25,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:02:25,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:02:25,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:02:25,441 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:02:25,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:02:16" (1/3) ... [2018-10-26 22:02:25,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfbe189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:02:25, skipping insertion in model container [2018-10-26 22:02:25,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:02:16" (2/3) ... [2018-10-26 22:02:25,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfbe189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:02:25, skipping insertion in model container [2018-10-26 22:02:25,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:02:25" (3/3) ... [2018-10-26 22:02:25,446 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:02:25,453 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:02:25,458 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:02:25,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:02:25,494 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:02:25,494 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:02:25,494 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:02:25,494 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:02:25,495 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:02:25,495 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:02:25,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:02:25,495 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:02:25,495 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:02:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2018-10-26 22:02:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:02:25,516 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:02:25,516 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] [2018-10-26 22:02:25,518 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:02:25,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:02:25,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1457717352, now seen corresponding path program 1 times [2018-10-26 22:02:25,527 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:02:25,528 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:02:25,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:02:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:02:25,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:02:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:02:25,649 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:02:25,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:02:25,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:02:25,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:02:25,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:02:25,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:02:25,681 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 2 states. [2018-10-26 22:02:25,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:02:25,703 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2018-10-26 22:02:25,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:02:25,705 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-26 22:02:25,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:02:25,715 INFO L225 Difference]: With dead ends: 193 [2018-10-26 22:02:25,715 INFO L226 Difference]: Without dead ends: 102 [2018-10-26 22:02:25,718 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:02:25,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-10-26 22:02:25,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-10-26 22:02:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-26 22:02:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2018-10-26 22:02:25,755 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 27 [2018-10-26 22:02:25,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:02:25,756 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2018-10-26 22:02:25,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:02:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2018-10-26 22:02:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 22:02:25,757 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:02:25,758 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] [2018-10-26 22:02:25,758 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:02:25,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:02:25,758 INFO L82 PathProgramCache]: Analyzing trace with hash -2117575272, now seen corresponding path program 1 times [2018-10-26 22:02:25,759 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:02:25,759 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:02:25,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:02:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:02:25,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:02:26,037 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 [2018-10-26 22:02:26,051 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 [2018-10-26 22:02:26,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:02:26,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:26,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:26,151 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 22:02:26,245 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 [2018-10-26 22:02:26,265 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 [2018-10-26 22:02:26,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:02:26,293 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:26,321 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:26,321 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 22:02:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:02:26,512 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:02:26,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:02:26,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:02:26,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:02:26,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:02:26,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:02:26,526 INFO L87 Difference]: Start difference. First operand 102 states and 112 transitions. Second operand 9 states. [2018-10-26 22:02:27,113 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 22:02:39,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:02:39,163 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-10-26 22:02:39,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 22:02:39,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-10-26 22:02:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:02:39,169 INFO L225 Difference]: With dead ends: 111 [2018-10-26 22:02:39,170 INFO L226 Difference]: Without dead ends: 105 [2018-10-26 22:02:39,172 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 22:02:39,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-26 22:02:39,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2018-10-26 22:02:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-26 22:02:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2018-10-26 22:02:39,183 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 36 [2018-10-26 22:02:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:02:39,183 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2018-10-26 22:02:39,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:02:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2018-10-26 22:02:39,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 22:02:39,184 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:02:39,184 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] [2018-10-26 22:02:39,185 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:02:39,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:02:39,185 INFO L82 PathProgramCache]: Analyzing trace with hash -710283788, now seen corresponding path program 1 times [2018-10-26 22:02:39,185 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:02:39,185 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:02:39,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:02:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:02:39,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:02:39,364 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 [2018-10-26 22:02:39,366 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 [2018-10-26 22:02:39,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:02:39,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:39,397 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:39,397 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 22:02:39,417 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 [2018-10-26 22:02:39,420 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 [2018-10-26 22:02:39,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:02:39,423 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:39,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:39,425 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 22:02:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:02:39,501 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:02:39,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:02:39,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 22:02:39,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:02:39,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:02:39,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:02:39,516 INFO L87 Difference]: Start difference. First operand 102 states and 111 transitions. Second operand 8 states. [2018-10-26 22:02:49,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:02:49,393 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2018-10-26 22:02:49,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:02:49,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2018-10-26 22:02:49,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:02:49,396 INFO L225 Difference]: With dead ends: 111 [2018-10-26 22:02:49,396 INFO L226 Difference]: Without dead ends: 105 [2018-10-26 22:02:49,396 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-10-26 22:02:49,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-26 22:02:49,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2018-10-26 22:02:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-26 22:02:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 110 transitions. [2018-10-26 22:02:49,405 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 110 transitions. Word has length 38 [2018-10-26 22:02:49,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:02:49,405 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 110 transitions. [2018-10-26 22:02:49,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:02:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 110 transitions. [2018-10-26 22:02:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:02:49,406 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:02:49,407 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] [2018-10-26 22:02:49,407 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:02:49,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:02:49,407 INFO L82 PathProgramCache]: Analyzing trace with hash 975703843, now seen corresponding path program 1 times [2018-10-26 22:02:49,407 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:02:49,408 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:02:49,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:02:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:02:49,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:02:49,562 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 [2018-10-26 22:02:49,564 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 [2018-10-26 22:02:49,565 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:02:49,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:49,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:49,578 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 22:02:49,592 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 [2018-10-26 22:02:49,596 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 [2018-10-26 22:02:49,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:02:49,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:49,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:02:49,601 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 22:02:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:02:49,650 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:02:49,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:02:49,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 22:02:49,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:02:49,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:02:49,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:02:49,659 INFO L87 Difference]: Start difference. First operand 102 states and 110 transitions. Second operand 8 states. [2018-10-26 22:03:01,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:01,921 INFO L93 Difference]: Finished difference Result 111 states and 118 transitions. [2018-10-26 22:03:01,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:03:01,921 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-10-26 22:03:01,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:01,922 INFO L225 Difference]: With dead ends: 111 [2018-10-26 22:03:01,922 INFO L226 Difference]: Without dead ends: 105 [2018-10-26 22:03:01,923 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-10-26 22:03:01,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-26 22:03:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2018-10-26 22:03:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-26 22:03:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2018-10-26 22:03:01,928 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 39 [2018-10-26 22:03:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:01,928 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2018-10-26 22:03:01,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:03:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2018-10-26 22:03:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:03:01,929 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:03:01,929 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] [2018-10-26 22:03:01,929 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:03:01,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:03:01,930 INFO L82 PathProgramCache]: Analyzing trace with hash 291491306, now seen corresponding path program 1 times [2018-10-26 22:03:01,930 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:03:01,930 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:03:01,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:03:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:03:02,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:03:02,077 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 [2018-10-26 22:03:02,080 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 [2018-10-26 22:03:02,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:03:02,085 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:02,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:02,098 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 22:03:02,112 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 [2018-10-26 22:03:02,114 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 [2018-10-26 22:03:02,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:03:02,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:02,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:02,119 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 22:03:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:03:02,199 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:03:02,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:03:02,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:03:02,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:03:02,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:03:02,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:03:02,219 INFO L87 Difference]: Start difference. First operand 102 states and 109 transitions. Second operand 9 states. [2018-10-26 22:03:15,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:15,266 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2018-10-26 22:03:15,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 22:03:15,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-10-26 22:03:15,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:15,268 INFO L225 Difference]: With dead ends: 111 [2018-10-26 22:03:15,268 INFO L226 Difference]: Without dead ends: 103 [2018-10-26 22:03:15,268 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 22:03:15,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-26 22:03:15,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 100. [2018-10-26 22:03:15,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-26 22:03:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2018-10-26 22:03:15,279 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 39 [2018-10-26 22:03:15,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:15,280 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2018-10-26 22:03:15,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:03:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2018-10-26 22:03:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 22:03:15,281 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:03:15,281 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] [2018-10-26 22:03:15,281 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:03:15,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:03:15,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1578266682, now seen corresponding path program 1 times [2018-10-26 22:03:15,282 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:03:15,282 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/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 [2018-10-26 22:03:15,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:03:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:03:15,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:03:16,133 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 22:03:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:03:16,214 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:03:16,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:03:16,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 22:03:16,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:03:16,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:03:16,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:03:16,223 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 8 states. [2018-10-26 22:03:17,198 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:03:26,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:26,047 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2018-10-26 22:03:26,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:03:26,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-10-26 22:03:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:26,057 INFO L225 Difference]: With dead ends: 107 [2018-10-26 22:03:26,057 INFO L226 Difference]: Without dead ends: 101 [2018-10-26 22:03:26,057 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:03:26,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-10-26 22:03:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2018-10-26 22:03:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-26 22:03:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2018-10-26 22:03:26,064 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 42 [2018-10-26 22:03:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:26,064 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2018-10-26 22:03:26,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:03:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2018-10-26 22:03:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 22:03:26,066 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:03:26,067 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] [2018-10-26 22:03:26,067 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:03:26,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:03:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1087577814, now seen corresponding path program 1 times [2018-10-26 22:03:26,067 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:03:26,068 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-26 22:03:26,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:03:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:03:26,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:03:26,882 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 [2018-10-26 22:03:26,884 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 [2018-10-26 22:03:26,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:03:26,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:26,923 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:26,923 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 22:03:26,935 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 [2018-10-26 22:03:26,938 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 [2018-10-26 22:03:26,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:03:26,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:26,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:03:26,942 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 22:03:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:03:27,021 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:03:27,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:03:27,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:03:27,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:03:27,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:03:27,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:03:27,035 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand 9 states. [2018-10-26 22:03:34,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:34,955 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2018-10-26 22:03:34,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-26 22:03:34,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-10-26 22:03:34,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:34,957 INFO L225 Difference]: With dead ends: 152 [2018-10-26 22:03:34,957 INFO L226 Difference]: Without dead ends: 88 [2018-10-26 22:03:34,958 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 22:03:34,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-10-26 22:03:34,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-10-26 22:03:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-26 22:03:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2018-10-26 22:03:34,973 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 43 [2018-10-26 22:03:34,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:34,973 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2018-10-26 22:03:34,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:03:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2018-10-26 22:03:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 22:03:34,976 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:03:34,976 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] [2018-10-26 22:03:34,976 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:03:34,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:03:34,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2037379338, now seen corresponding path program 1 times [2018-10-26 22:03:34,977 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:03:34,977 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-26 22:03:34,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:03:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:03:35,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:03:36,869 WARN L179 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 22:03:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:03:36,898 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:03:36,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:03:36,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:03:36,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:03:36,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:03:36,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:03:36,920 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 7 states. [2018-10-26 22:03:38,100 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:03:44,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:44,707 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-10-26 22:03:44,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:03:44,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-10-26 22:03:44,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:44,709 INFO L225 Difference]: With dead ends: 94 [2018-10-26 22:03:44,709 INFO L226 Difference]: Without dead ends: 88 [2018-10-26 22:03:44,709 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:03:44,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-10-26 22:03:44,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-10-26 22:03:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-26 22:03:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-26 22:03:44,717 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 44 [2018-10-26 22:03:44,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:44,717 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-10-26 22:03:44,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:03:44,717 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-26 22:03:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:03:44,718 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:03:44,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:03:44,718 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:03:44,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:03:44,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2010214971, now seen corresponding path program 1 times [2018-10-26 22:03:44,719 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:03:44,719 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-10-26 22:03:44,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:03:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:03:45,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:03:46,588 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 22:03:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:03:46,604 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:03:46,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:03:46,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:03:46,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:03:46,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:03:46,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:03:46,619 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 7 states. [2018-10-26 22:03:47,957 WARN L179 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:03:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:52,267 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-10-26 22:03:52,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:03:52,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-10-26 22:03:52,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:52,348 INFO L225 Difference]: With dead ends: 88 [2018-10-26 22:03:52,348 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:03:52,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:03:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:03:52,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:03:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:03:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:03:52,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-10-26 22:03:52,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:52,349 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:03:52,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:03:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:03:52,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:03:52,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:03:52,971 WARN L179 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-10-26 22:03:53,473 WARN L179 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point isnan_floatENTRY(line 13) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point L85-1(line 85) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-10-26 22:03:53,475 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L85-3(line 85) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-10-26 22:03:53,476 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L103-2(line 103) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-10-26 22:03:53,477 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L425 ceAbstractionStarter]: For program point L64-1(line 64) no Hoare annotation was computed. [2018-10-26 22:03:53,478 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (not (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv830472192 32)))))) [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L98-2(line 98) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L98-3(line 98) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L90-2(line 90) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L90-3(line 90) no Hoare annotation was computed. [2018-10-26 22:03:53,479 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-10-26 22:03:53,480 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-10-26 22:03:53,480 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-10-26 22:03:53,480 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= |__ieee754_expf_#in~x| __ieee754_expf_~x) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0))) [2018-10-26 22:03:53,480 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-10-26 22:03:53,480 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-10-26 22:03:53,480 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-10-26 22:03:53,480 INFO L425 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-10-26 22:03:53,492 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-26 22:03:53,492 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L42-3(line 42) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L100-2(line 100) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-10-26 22:03:53,493 INFO L425 ceAbstractionStarter]: For program point L92-2(line 92) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (not (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv830472192 32)))))) [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L15(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L15-2(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L15-3(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,494 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point L15-5(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point L15-6(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point L15-7(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point L15-8(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point L15-9(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point L15-10(lines 15 34) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:03:53,495 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_exp~0)) [2018-10-26 22:03:53,495 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:03:53,496 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:03:53,496 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 127) the Hoare annotation is: true [2018-10-26 22:03:53,496 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 127) no Hoare annotation was computed. [2018-10-26 22:03:53,496 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-10-26 22:03:53,496 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2018-10-26 22:03:53,496 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 127) no Hoare annotation was computed. [2018-10-26 22:03:53,496 INFO L421 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= (_ +zero 8 24) main_~x~0) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0))) [2018-10-26 22:03:53,496 INFO L425 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-10-26 22:03:53,496 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-10-26 22:03:53,503 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,515 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,515 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,515 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,521 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,521 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,521 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,521 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,521 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,522 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,522 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,522 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,523 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,523 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,523 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,523 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,524 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,524 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,524 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,524 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,525 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,525 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,525 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,525 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,525 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,525 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,525 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,526 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,526 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,526 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,526 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,526 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,527 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,527 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,527 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,527 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:03:53 BoogieIcfgContainer [2018-10-26 22:03:53,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:03:53,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:03:53,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:03:53,537 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:03:53,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:02:25" (3/4) ... [2018-10-26 22:03:53,542 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:03:53,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-10-26 22:03:53,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-10-26 22:03:53,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:03:53,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:03:53,555 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-10-26 22:03:53,555 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-10-26 22:03:53,555 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 22:03:53,555 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:03:53,556 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:03:53,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp) [2018-10-26 22:03:53,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) [2018-10-26 22:03:53,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) [2018-10-26 22:03:53,608 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_02b00b7c-59b6-4da1-baf3-514a2ffc8428/bin-2019/uautomizer/witness.graphml [2018-10-26 22:03:53,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:03:53,609 INFO L168 Benchmark]: Toolchain (without parser) took 97193.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 953.2 MB in the beginning and 951.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:53,609 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-10-26 22:03:53,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.70 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:53,610 INFO L168 Benchmark]: Boogie Preprocessor took 62.02 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:53,610 INFO L168 Benchmark]: RCFGBuilder took 8691.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:53,610 INFO L168 Benchmark]: TraceAbstraction took 88097.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 951.1 MB in the end (delta: 130.7 MB). Peak memory consumption was 191.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:53,611 INFO L168 Benchmark]: Witness Printer took 71.19 ms. Allocated memory is still 1.2 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:03:53,612 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 267.70 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.02 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8691.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88097.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 951.1 MB in the end (delta: 130.7 MB). Peak memory consumption was 191.0 MB. Max. memory is 11.5 GB. * Witness Printer took 71.19 ms. Allocated memory is still 1.2 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 122]: 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: 97]: Loop Invariant [2018-10-26 22:03:53,620 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,620 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,620 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,620 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,620 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,621 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,621 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,621 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,621 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,621 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,621 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,621 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) - InvariantResult [Line: 41]: Loop Invariant [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp) - InvariantResult [Line: 84]: Loop Invariant [2018-10-26 22:03:53,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,624 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,624 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,624 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,624 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,624 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,624 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,640 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,641 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,641 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,641 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:03:53,641 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,641 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,641 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:03:53,641 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 1 error locations. SAFE Result, 88.0s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 79.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 818 SDtfs, 681 SDslu, 3118 SDs, 0 SdLazy, 766 SolverSat, 22 SolverUnsat, 22 SolverUnknown, 0 SolverNotchecked, 73.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 406 GetRequests, 313 SyntacticMatches, 3 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred 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, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 127 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 136 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 365 ConstructedInterpolants, 23 QuantifiedInterpolants, 155710 SizeOfPredicates, 50 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...