./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0930_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_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0930_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/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 8d1cc22c86ec678ca6c8e47fb3affd89f077aca1 .................................................................................................................................................................................................................................................................................................................... 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_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0930_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/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 8d1cc22c86ec678ca6c8e47fb3affd89f077aca1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:15:02,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:15:02,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:15:02,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:15:02,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:15:02,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:15:02,346 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:15:02,347 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:15:02,349 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:15:02,349 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:15:02,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:15:02,350 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:15:02,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:15:02,351 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:15:02,352 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:15:02,353 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:15:02,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:15:02,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:15:02,356 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:15:02,357 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:15:02,358 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:15:02,358 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:15:02,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:15:02,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:15:02,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:15:02,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:15:02,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:15:02,362 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:15:02,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:15:02,364 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:15:02,364 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:15:02,364 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:15:02,364 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:15:02,365 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:15:02,365 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:15:02,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:15:02,366 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 13:15:02,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:15:02,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:15:02,376 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:15:02,377 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:15:02,377 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:15:02,377 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:15:02,377 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:15:02,378 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:15:02,378 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:15:02,378 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:15:02,378 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:15:02,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:15:02,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:15:02,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:15:02,379 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:15:02,379 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:15:02,379 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:15:02,379 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:15:02,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:15:02,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:15:02,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:15:02,380 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:15:02,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:15:02,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:15:02,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:15:02,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:15:02,380 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:15:02,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:15:02,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:15:02,381 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_9d7db95a-3075-4e9e-aaf2-9ed634be279e/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 -> 8d1cc22c86ec678ca6c8e47fb3affd89f077aca1 [2018-11-10 13:15:02,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:15:02,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:15:02,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:15:02,416 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:15:02,416 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:15:02,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0930_true-unreach-call.c [2018-11-10 13:15:02,459 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/226d70328/abaa2347388b491c8076f9da543a11d4/FLAG4258a92af [2018-11-10 13:15:02,762 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:15:02,762 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/sv-benchmarks/c/float-newlib/float_req_bl_0930_true-unreach-call.c [2018-11-10 13:15:02,767 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/226d70328/abaa2347388b491c8076f9da543a11d4/FLAG4258a92af [2018-11-10 13:15:02,777 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/226d70328/abaa2347388b491c8076f9da543a11d4 [2018-11-10 13:15:02,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:15:02,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 13:15:02,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:15:02,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:15:02,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:15:02,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1788b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02, skipping insertion in model container [2018-11-10 13:15:02,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:15:02,807 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:15:02,929 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:15:02,931 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:15:02,952 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:15:02,964 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:15:02,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02 WrapperNode [2018-11-10 13:15:02,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:15:02,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:15:02,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:15:02,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:15:02,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:02,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... [2018-11-10 13:15:03,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:15:03,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:15:03,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:15:03,031 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:15:03,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:15:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:15:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:15:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 13:15:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 13:15:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:15:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 13:15:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 13:15:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 13:15:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 13:15:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:15:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 13:15:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 13:15:03,337 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:15:03,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:03 BoogieIcfgContainer [2018-11-10 13:15:03,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:15:03,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:15:03,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:15:03,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:15:03,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:15:02" (1/3) ... [2018-11-10 13:15:03,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa95c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:15:03, skipping insertion in model container [2018-11-10 13:15:03,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:02" (2/3) ... [2018-11-10 13:15:03,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa95c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:15:03, skipping insertion in model container [2018-11-10 13:15:03,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:03" (3/3) ... [2018-11-10 13:15:03,343 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0930_true-unreach-call.c [2018-11-10 13:15:03,349 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:15:03,357 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:15:03,370 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:15:03,396 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:15:03,397 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:15:03,397 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:15:03,397 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:15:03,397 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:15:03,397 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:15:03,397 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:15:03,398 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:15:03,398 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:15:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-11-10 13:15:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 13:15:03,418 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:03,419 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:15:03,421 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:03,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:03,425 INFO L82 PathProgramCache]: Analyzing trace with hash 2121222115, now seen corresponding path program 1 times [2018-11-10 13:15:03,427 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:15:03,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:15:03,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:15:03,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:03,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:15:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:15:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:15:03,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:15:03,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:15:03,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:15:03,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:15:03,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:15:03,552 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2018-11-10 13:15:03,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:15:03,573 INFO L93 Difference]: Finished difference Result 150 states and 191 transitions. [2018-11-10 13:15:03,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:15:03,574 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-10 13:15:03,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:15:03,580 INFO L225 Difference]: With dead ends: 150 [2018-11-10 13:15:03,580 INFO L226 Difference]: Without dead ends: 75 [2018-11-10 13:15:03,583 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:15:03,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-10 13:15:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-11-10 13:15:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-10 13:15:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2018-11-10 13:15:03,606 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 17 [2018-11-10 13:15:03,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:15:03,606 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2018-11-10 13:15:03,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:15:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2018-11-10 13:15:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 13:15:03,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:03,607 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] [2018-11-10 13:15:03,608 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:03,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:03,608 INFO L82 PathProgramCache]: Analyzing trace with hash 72460157, now seen corresponding path program 1 times [2018-11-10 13:15:03,608 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:15:03,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:15:03,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:15:03,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:03,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:15:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:15:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:15:03,673 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 13:15:03,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:15:03 BoogieIcfgContainer [2018-11-10 13:15:03,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:15:03,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:15:03,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:15:03,702 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:15:03,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:03" (3/4) ... [2018-11-10 13:15:03,705 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:15:03,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:15:03,705 INFO L168 Benchmark]: Toolchain (without parser) took 924.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -95.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:03,706 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:15:03,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.69 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:03,707 INFO L168 Benchmark]: Boogie Preprocessor took 66.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:03,707 INFO L168 Benchmark]: RCFGBuilder took 307.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:03,708 INFO L168 Benchmark]: TraceAbstraction took 363.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:03,708 INFO L168 Benchmark]: Witness Printer took 3.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:15:03,709 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.69 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 307.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.17 ms. Allocated memory is still 1.1 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: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 120, overapproximation of someBinaryArithmeticFLOAToperation at line 32, overapproximation of bitwiseAnd at line 31. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; VAL [\old(Lg1_log)=6442450958, \old(Lg2_log)=6442450960, \old(Lg3_log)=6442450945, \old(Lg4_log)=6442450948, \old(Lg5_log)=6442450950, \old(Lg6_log)=6442450957, \old(Lg7_log)=6442450956, \old(ln2_hi_log)=6442450947, \old(ln2_lo_log)=6442450951, \old(two25_log)=6442450955, \old(zero_log)=6442450953, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L116] float x = 1.0f; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L117] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=1, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L21] float hfsq, f, s, z, R, w, t1, t2, dk; [L22] __int32_t k, ix, i, j; VAL [\old(x)=1, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L25] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=1, gf_u={6442450954:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L26] FCALL gf_u.value = (x) VAL [\old(x)=1, gf_u={6442450954:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L27] EXPR, FCALL gf_u.word VAL [\old(x)=1, gf_u={6442450954:0}, gf_u.word=6442450944, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L27] (ix) = gf_u.word VAL [(ix) = gf_u.word=6442450959, \old(x)=1, gf_u={6442450954:0}, gf_u.word=6442450944, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L28] COND FALSE !(0) VAL [\old(x)=1, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L30] k = 0 VAL [\old(x)=1, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L31] COND TRUE ((ix & 0x7fffffff) == 0) [L32] RET return -two25_log / zero_log; VAL [\old(x)=1, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L117] EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=6442450949, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L117] float res = __ieee754_logf(x); [L120] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=6442450949, res == 0.0f && __signbit_float(res) == 0=0, two25_log=33554432, x=1, zero_log=0] [L120] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L121] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=6442450949, two25_log=33554432, x=1, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 79 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 90 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=79occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:15:05,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:15:05,156 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:15:05,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:15:05,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:15:05,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:15:05,166 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:15:05,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:15:05,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:15:05,169 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:15:05,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:15:05,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:15:05,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:15:05,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:15:05,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:15:05,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:15:05,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:15:05,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:15:05,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:15:05,177 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:15:05,177 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:15:05,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:15:05,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:15:05,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:15:05,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:15:05,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:15:05,182 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:15:05,182 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:15:05,183 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:15:05,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:15:05,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:15:05,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:15:05,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:15:05,185 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:15:05,186 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:15:05,186 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:15:05,186 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 13:15:05,196 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:15:05,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:15:05,197 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:15:05,197 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:15:05,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:15:05,198 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:15:05,198 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:15:05,198 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:15:05,198 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:15:05,198 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:15:05,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:15:05,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:15:05,199 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:15:05,199 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:15:05,199 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 13:15:05,199 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 13:15:05,199 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:15:05,199 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:15:05,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:15:05,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:15:05,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:15:05,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:15:05,200 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:15:05,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:15:05,202 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:15:05,202 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:15:05,202 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:15:05,203 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 13:15:05,203 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:15:05,203 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 13:15:05,203 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 13:15:05,203 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_9d7db95a-3075-4e9e-aaf2-9ed634be279e/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 -> 8d1cc22c86ec678ca6c8e47fb3affd89f077aca1 [2018-11-10 13:15:05,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:15:05,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:15:05,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:15:05,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:15:05,245 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:15:05,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0930_true-unreach-call.c [2018-11-10 13:15:05,279 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/7d0d2ccc9/64a75e9acfe74c819454558daa676bdf/FLAGb61376c05 [2018-11-10 13:15:05,582 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:15:05,582 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/sv-benchmarks/c/float-newlib/float_req_bl_0930_true-unreach-call.c [2018-11-10 13:15:05,587 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/7d0d2ccc9/64a75e9acfe74c819454558daa676bdf/FLAGb61376c05 [2018-11-10 13:15:05,596 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/data/7d0d2ccc9/64a75e9acfe74c819454558daa676bdf [2018-11-10 13:15:05,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:15:05,599 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 13:15:05,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:15:05,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:15:05,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:15:05,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4580883d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05, skipping insertion in model container [2018-11-10 13:15:05,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:15:05,626 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:15:05,759 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:15:05,763 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:15:05,796 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:15:05,812 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:15:05,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05 WrapperNode [2018-11-10 13:15:05,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:15:05,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:15:05,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:15:05,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:15:05,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... [2018-11-10 13:15:05,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:15:05,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:15:05,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:15:05,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:15:05,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:15:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:15:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:15:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 13:15:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 13:15:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:15:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 13:15:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 13:15:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 13:15:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 13:15:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 13:15:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 13:15:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 13:15:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 13:15:08,295 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:15:08,301 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:15:08,876 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:15:08,882 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:15:18,447 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:15:18,452 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:15:18,462 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:15:18,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:18 BoogieIcfgContainer [2018-11-10 13:15:18,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:15:18,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:15:18,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:15:18,466 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:15:18,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:15:05" (1/3) ... [2018-11-10 13:15:18,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4871aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:15:18, skipping insertion in model container [2018-11-10 13:15:18,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:05" (2/3) ... [2018-11-10 13:15:18,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4871aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:15:18, skipping insertion in model container [2018-11-10 13:15:18,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:18" (3/3) ... [2018-11-10 13:15:18,468 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0930_true-unreach-call.c [2018-11-10 13:15:18,473 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:15:18,477 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:15:18,486 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:15:18,506 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:15:18,507 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:15:18,507 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:15:18,507 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:15:18,507 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:15:18,507 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:15:18,507 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:15:18,508 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:15:18,508 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:15:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-11-10 13:15:18,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 13:15:18,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:18,522 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:15:18,523 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:18,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:18,527 INFO L82 PathProgramCache]: Analyzing trace with hash 2121222115, now seen corresponding path program 1 times [2018-11-10 13:15:18,529 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:15:18,529 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 13:15:18,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:15:18,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:15:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:15:18,748 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:15:18,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:15:18,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:15:18,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:15:18,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:15:18,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:15:18,780 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2018-11-10 13:15:18,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:15:18,801 INFO L93 Difference]: Finished difference Result 150 states and 191 transitions. [2018-11-10 13:15:18,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:15:18,802 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-10 13:15:18,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:15:18,811 INFO L225 Difference]: With dead ends: 150 [2018-11-10 13:15:18,811 INFO L226 Difference]: Without dead ends: 75 [2018-11-10 13:15:18,814 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:15:18,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-10 13:15:18,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-11-10 13:15:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-10 13:15:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2018-11-10 13:15:18,842 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 17 [2018-11-10 13:15:18,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:15:18,842 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2018-11-10 13:15:18,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:15:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2018-11-10 13:15:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 13:15:18,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:18,844 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] [2018-11-10 13:15:18,844 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:18,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:18,844 INFO L82 PathProgramCache]: Analyzing trace with hash 72460157, now seen corresponding path program 1 times [2018-11-10 13:15:18,845 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:15:18,845 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 13:15:18,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:15:19,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:15:19,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:15:19,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:15:19,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:19,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:19,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:19,099 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 13:15:19,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:15:19,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:15:19,118 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:19,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:19,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:19,124 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 13:15:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:15:19,234 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:15:19,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:15:19,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 13:15:19,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 13:15:19,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 13:15:19,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 13:15:19,251 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand 8 states. [2018-11-10 13:15:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:15:22,927 INFO L93 Difference]: Finished difference Result 106 states and 117 transitions. [2018-11-10 13:15:22,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 13:15:22,928 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-10 13:15:22,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:15:22,930 INFO L225 Difference]: With dead ends: 106 [2018-11-10 13:15:22,930 INFO L226 Difference]: Without dead ends: 83 [2018-11-10 13:15:22,931 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 13:15:22,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-10 13:15:22,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75. [2018-11-10 13:15:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-10 13:15:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2018-11-10 13:15:22,936 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 26 [2018-11-10 13:15:22,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:15:22,937 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2018-11-10 13:15:22,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 13:15:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2018-11-10 13:15:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 13:15:22,937 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:22,937 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] [2018-11-10 13:15:22,938 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:22,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:22,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1770515613, now seen corresponding path program 1 times [2018-11-10 13:15:22,938 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:15:22,938 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 13:15:22,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:15:23,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:15:23,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:15:23,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:15:23,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:23,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:23,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:23,171 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 13:15:23,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:15:23,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:15:23,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:23,191 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:23,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:23,194 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 13:15:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:15:23,246 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:15:23,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:15:23,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 13:15:23,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 13:15:23,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 13:15:23,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 13:15:23,261 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand 8 states. [2018-11-10 13:15:26,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:15:26,660 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2018-11-10 13:15:26,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 13:15:26,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-10 13:15:26,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:15:26,662 INFO L225 Difference]: With dead ends: 106 [2018-11-10 13:15:26,662 INFO L226 Difference]: Without dead ends: 83 [2018-11-10 13:15:26,663 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 13:15:26,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-10 13:15:26,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75. [2018-11-10 13:15:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-10 13:15:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2018-11-10 13:15:26,669 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 27 [2018-11-10 13:15:26,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:15:26,669 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2018-11-10 13:15:26,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 13:15:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2018-11-10 13:15:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 13:15:26,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:26,671 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] [2018-11-10 13:15:26,671 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:26,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:26,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2125674625, now seen corresponding path program 1 times [2018-11-10 13:15:26,672 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:15:26,672 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 13:15:26,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:15:26,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:15:26,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:15:26,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:15:26,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:26,763 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:26,769 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:26,769 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 13:15:26,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:15:26,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:15:26,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:26,792 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:26,794 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:26,794 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 13:15:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:15:26,842 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:15:26,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:15:26,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 13:15:26,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 13:15:26,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 13:15:26,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 13:15:26,850 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand 8 states. [2018-11-10 13:15:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:15:29,957 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2018-11-10 13:15:29,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 13:15:29,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-11-10 13:15:29,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:15:29,959 INFO L225 Difference]: With dead ends: 104 [2018-11-10 13:15:29,959 INFO L226 Difference]: Without dead ends: 81 [2018-11-10 13:15:29,959 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 13:15:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-10 13:15:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2018-11-10 13:15:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-10 13:15:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2018-11-10 13:15:29,965 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 28 [2018-11-10 13:15:29,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:15:29,966 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2018-11-10 13:15:29,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 13:15:29,966 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2018-11-10 13:15:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 13:15:29,967 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:29,967 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] [2018-11-10 13:15:29,967 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:29,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:29,968 INFO L82 PathProgramCache]: Analyzing trace with hash 2040770911, now seen corresponding path program 1 times [2018-11-10 13:15:29,968 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:15:29,968 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 13:15:29,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:15:30,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:15:30,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:15:30,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:15:30,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:30,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:30,884 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:30,884 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 13:15:30,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:15:30,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:15:30,901 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:30,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:30,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:30,905 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 13:15:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:15:30,995 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:15:31,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:15:31,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 13:15:31,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 13:15:31,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 13:15:31,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 13:15:31,011 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand 9 states. [2018-11-10 13:15:34,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:15:34,100 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2018-11-10 13:15:34,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 13:15:34,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2018-11-10 13:15:34,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:15:34,101 INFO L225 Difference]: With dead ends: 119 [2018-11-10 13:15:34,101 INFO L226 Difference]: Without dead ends: 93 [2018-11-10 13:15:34,102 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-11-10 13:15:34,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-10 13:15:34,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2018-11-10 13:15:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-10 13:15:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2018-11-10 13:15:34,106 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 44 [2018-11-10 13:15:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:15:34,106 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2018-11-10 13:15:34,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 13:15:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2018-11-10 13:15:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 13:15:34,107 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:15:34,107 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] [2018-11-10 13:15:34,107 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:15:34,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:34,108 INFO L82 PathProgramCache]: Analyzing trace with hash -66468686, now seen corresponding path program 1 times [2018-11-10 13:15:34,108 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:15:34,108 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-10 13:15:34,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:15:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:15:34,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:15:34,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:15:34,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:15:34,374 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,387 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:27 [2018-11-10 13:15:34,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:15:34,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:15:34,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,414 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:15 [2018-11-10 13:15:34,517 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 23 treesize of output 20 [2018-11-10 13:15:34,522 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 20 treesize of output 19 [2018-11-10 13:15:34,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,527 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,543 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 13:15:34,543 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2018-11-10 13:15:34,599 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 41 treesize of output 33 [2018-11-10 13:15:34,603 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 33 treesize of output 45 [2018-11-10 13:15:34,603 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,607 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:15:34,618 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 13:15:34,618 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:55, output treesize:60 [2018-11-10 13:15:40,650 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-11-10 13:16:05,774 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-11-10 13:16:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:16:05,802 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:16:05,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:05,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-10 13:16:05,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-10 13:16:05,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-10 13:16:05,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=136, Unknown=10, NotChecked=0, Total=182 [2018-11-10 13:16:05,816 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand 14 states. [2018-11-10 13:19:00,225 WARN L179 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-10 13:19:55,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:19:55,239 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2018-11-10 13:19:55,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-10 13:19:55,241 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2018-11-10 13:19:55,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:19:55,242 INFO L225 Difference]: With dead ends: 118 [2018-11-10 13:19:55,243 INFO L226 Difference]: Without dead ends: 94 [2018-11-10 13:19:55,243 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 86.0s TimeCoverageRelationStatistics Valid=120, Invalid=500, Unknown=30, NotChecked=0, Total=650 [2018-11-10 13:19:55,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-10 13:19:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 89. [2018-11-10 13:19:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-11-10 13:19:55,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2018-11-10 13:19:55,250 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 44 [2018-11-10 13:19:55,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:19:55,250 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2018-11-10 13:19:55,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-10 13:19:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2018-11-10 13:19:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 13:19:55,251 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:19:55,251 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] [2018-11-10 13:19:55,251 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:19:55,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:19:55,252 INFO L82 PathProgramCache]: Analyzing trace with hash -333136878, now seen corresponding path program 1 times [2018-11-10 13:19:55,252 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:19:55,252 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/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 [2018-11-10 13:19:55,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:19:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:19:55,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:19:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:19:55,390 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:19:55,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:19:55,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 13:19:55,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 13:19:55,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 13:19:55,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 13:19:55,399 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 6 states. [2018-11-10 13:20:06,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:20:06,645 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2018-11-10 13:20:06,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 13:20:06,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-11-10 13:20:06,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:20:06,646 INFO L225 Difference]: With dead ends: 98 [2018-11-10 13:20:06,646 INFO L226 Difference]: Without dead ends: 95 [2018-11-10 13:20:06,646 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-10 13:20:06,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-10 13:20:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2018-11-10 13:20:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-10 13:20:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2018-11-10 13:20:06,653 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 44 [2018-11-10 13:20:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:20:06,654 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2018-11-10 13:20:06,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 13:20:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2018-11-10 13:20:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 13:20:06,655 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:20:06,655 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] [2018-11-10 13:20:06,655 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:20:06,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:20:06,656 INFO L82 PathProgramCache]: Analyzing trace with hash 554366803, now seen corresponding path program 1 times [2018-11-10 13:20:06,656 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:20:06,656 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/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 [2018-11-10 13:20:06,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:20:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:20:06,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:20:06,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:20:06,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:20:06,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:20:06,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:06,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:06,917 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 13:20:06,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:20:06,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:20:06,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:20:06,935 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:06,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:06,937 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 13:20:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:20:07,195 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:20:07,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:20:07,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 13:20:07,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 13:20:07,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 13:20:07,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-11-10 13:20:07,210 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand 11 states. [2018-11-10 13:20:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:20:36,724 INFO L93 Difference]: Finished difference Result 119 states and 127 transitions. [2018-11-10 13:20:36,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 13:20:36,725 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 44 [2018-11-10 13:20:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:20:36,726 INFO L225 Difference]: With dead ends: 119 [2018-11-10 13:20:36,726 INFO L226 Difference]: Without dead ends: 61 [2018-11-10 13:20:36,726 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-11-10 13:20:36,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-10 13:20:36,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-10 13:20:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-10 13:20:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 60 transitions. [2018-11-10 13:20:36,732 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 60 transitions. Word has length 44 [2018-11-10 13:20:36,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:20:36,732 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 60 transitions. [2018-11-10 13:20:36,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 13:20:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 60 transitions. [2018-11-10 13:20:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 13:20:36,736 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:20:36,736 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] [2018-11-10 13:20:36,736 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:20:36,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:20:36,736 INFO L82 PathProgramCache]: Analyzing trace with hash 554536960, now seen corresponding path program 1 times [2018-11-10 13:20:36,737 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:20:36,737 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7db95a-3075-4e9e-aaf2-9ed634be279e/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 [2018-11-10 13:20:36,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:20:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:20:36,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:20:36,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:20:36,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:20:36,891 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:20:36,895 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:36,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:36,905 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 13:20:36,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:20:36,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:20:36,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:20:36,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:36,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:20:36,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 13:20:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:20:37,076 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:20:37,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:20:37,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-10 13:20:37,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-10 13:20:37,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-10 13:20:37,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-11-10 13:20:37,084 INFO L87 Difference]: Start difference. First operand 61 states and 60 transitions. Second operand 13 states. [2018-11-10 13:20:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:20:37,739 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions. [2018-11-10 13:20:37,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 13:20:37,740 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2018-11-10 13:20:37,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:20:37,740 INFO L225 Difference]: With dead ends: 61 [2018-11-10 13:20:37,740 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:20:37,741 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2018-11-10 13:20:37,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:20:37,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:20:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:20:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:20:37,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-11-10 13:20:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:20:37,742 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:20:37,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-10 13:20:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:20:37,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:20:37,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:20:37,986 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:20:38,085 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 13:20:38,085 INFO L425 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L421 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (and (exists ((v___ieee754_logf_~ix~0_19 (_ BitVec 32))) (and (not (= (_ bv127 32) (bvadd (bvashr v___ieee754_logf_~ix~0_19 (_ bv23 32)) (bvneg (bvneg (bvashr (bvand (bvadd (bvand v___ieee754_logf_~ix~0_19 (_ bv8388607 32)) (_ bv4913952 32)) (_ bv8388608 32)) (_ bv23 32))))))) (= (fp ((_ extract 31 31) v___ieee754_logf_~ix~0_19) ((_ extract 30 23) v___ieee754_logf_~ix~0_19) ((_ extract 22 0) v___ieee754_logf_~ix~0_19)) |__ieee754_logf_#in~x|))) (= |__ieee754_logf_#in~x| (fp ((_ extract 31 31) __ieee754_logf_~ix~0) ((_ extract 30 23) __ieee754_logf_~ix~0) ((_ extract 22 0) __ieee754_logf_~ix~0))))) [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L421 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: (or (= __ieee754_logf_~x |__ieee754_logf_#in~x|) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L24-4(lines 24 28) no Hoare annotation was computed. [2018-11-10 13:20:38,086 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L421 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: (or (and (= __ieee754_logf_~x |__ieee754_logf_#in~x|) (exists ((v___ieee754_logf_~ix~0_19 (_ BitVec 32))) (and (= (bvadd (bvashr v___ieee754_logf_~ix~0_19 (_ bv23 32)) (_ bv4294967169 32)) __ieee754_logf_~k~0) (= (fp ((_ extract 31 31) v___ieee754_logf_~ix~0_19) ((_ extract 30 23) v___ieee754_logf_~ix~0_19) ((_ extract 22 0) v___ieee754_logf_~ix~0_19)) |__ieee754_logf_#in~x|) (= __ieee754_logf_~i~0 (bvand (bvadd (bvand v___ieee754_logf_~ix~0_19 (_ bv8388607 32)) (_ bv4913952 32)) (_ bv8388608 32))))) (exists ((v___ieee754_logf_~ix~0_18 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_logf_~ix~0_18) ((_ extract 30 23) v___ieee754_logf_~ix~0_18) ((_ extract 22 0) v___ieee754_logf_~ix~0_18)) |__ieee754_logf_#in~x|) (= __ieee754_logf_~ix~0 (bvand v___ieee754_logf_~ix~0_18 (_ bv8388607 32)))))) (exists ((v___ieee754_logf_~ix~0_19 (_ BitVec 32))) (and (not (= (_ bv127 32) (bvadd (bvashr v___ieee754_logf_~ix~0_19 (_ bv23 32)) (bvneg (bvneg (bvashr (bvand (bvadd (bvand v___ieee754_logf_~ix~0_19 (_ bv8388607 32)) (_ bv4913952 32)) (_ bv8388608 32)) (_ bv23 32))))))) (= (fp ((_ extract 31 31) v___ieee754_logf_~ix~0_19) ((_ extract 30 23) v___ieee754_logf_~ix~0_19) ((_ extract 22 0) v___ieee754_logf_~ix~0_19)) |__ieee754_logf_#in~x|))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L41-2(line 41) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L41-3(line 41) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 13:20:38,087 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 13:20:38,088 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-10 13:20:38,089 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 13:20:38,089 INFO L425 ceAbstractionStarter]: For program point L43-1(line 43) no Hoare annotation was computed. [2018-11-10 13:20:38,089 INFO L425 ceAbstractionStarter]: For program point L43-2(line 43) no Hoare annotation was computed. [2018-11-10 13:20:38,089 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-10 13:20:38,089 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:20:38,089 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0) [2018-11-10 13:20:38,089 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:20:38,089 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:20:38,089 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 110 126) the Hoare annotation is: true [2018-11-10 13:20:38,089 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 13:20:38,090 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 110 126) no Hoare annotation was computed. [2018-11-10 13:20:38,090 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-10 13:20:38,090 INFO L421 ceAbstractionStarter]: At program point L120-1(line 120) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) RNE (_ +zero 11 53)))) (or (not (= .cse0 ~zero_log~0)) (and (= main_~x~0 ((_ to_fp 8 24) RNE 1.0)) (= .cse0 main_~res~0) |main_#t~short10|))) [2018-11-10 13:20:38,090 INFO L425 ceAbstractionStarter]: For program point L120-2(line 120) no Hoare annotation was computed. [2018-11-10 13:20:38,090 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (= main_~x~0 ((_ to_fp 8 24) RNE 1.0))) [2018-11-10 13:20:38,090 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-10 13:20:38,090 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-10 13:20:38,090 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 123) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 110 126) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L101-4(lines 101 105) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 98 108) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 98 108) the Hoare annotation is: true [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 98 108) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L104-2(line 104) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-10 13:20:38,091 INFO L425 ceAbstractionStarter]: For program point L102-2(line 102) no Hoare annotation was computed. [2018-11-10 13:20:38,092 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 105) no Hoare annotation was computed. [2018-11-10 13:20:38,092 INFO L425 ceAbstractionStarter]: For program point L102-3(line 102) no Hoare annotation was computed. [2018-11-10 13:20:38,092 INFO L421 ceAbstractionStarter]: At program point L101-3(lines 101 105) the Hoare annotation is: (or (= |__signbit_float_#in~x| __signbit_float_~x) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-11-10 13:20:38,095 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:108) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:92) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:537) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 13:20:38,096 INFO L168 Benchmark]: Toolchain (without parser) took 332498.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 953.2 MB in the beginning and 802.3 MB in the end (delta: 150.9 MB). Peak memory consumption was 337.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:20:38,097 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:20:38,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.39 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. [2018-11-10 13:20:38,097 INFO L168 Benchmark]: Boogie Preprocessor took 38.13 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. [2018-11-10 13:20:38,098 INFO L168 Benchmark]: RCFGBuilder took 12611.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:20:38,098 INFO L168 Benchmark]: TraceAbstraction took 319632.67 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 802.3 MB in the end (delta: 271.6 MB). Peak memory consumption was 340.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:20:38,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 213.39 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 38.13 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 12611.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 319632.67 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 802.3 MB in the end (delta: 271.6 MB). Peak memory consumption was 340.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...