./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fc40f01120ca51e77cbf79a7824b0aac7011828 ........................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fc40f01120ca51e77cbf79a7824b0aac7011828 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:49:46,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:49:46,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:49:46,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:49:46,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:49:46,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:49:46,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:49:46,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:49:46,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:49:46,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:49:46,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:49:46,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:49:46,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:49:46,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:49:46,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:49:46,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:49:46,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:49:46,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:49:46,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:49:46,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:49:46,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:49:46,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:49:46,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:49:46,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:49:46,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:49:46,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:49:46,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:49:46,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:49:46,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:49:46,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:49:46,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:49:46,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:49:46,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:49:46,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:49:46,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:49:46,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:49:46,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:49:46,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:49:46,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:49:46,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:49:46,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:49:46,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:49:46,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:49:46,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:49:46,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:49:46,453 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:49:46,453 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:49:46,453 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:49:46,453 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:49:46,453 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:49:46,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:49:46,454 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:49:46,454 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:49:46,454 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:49:46,454 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:49:46,454 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:49:46,454 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:49:46,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:49:46,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:49:46,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:49:46,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:49:46,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:49:46,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:49:46,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:49:46,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:49:46,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:49:46,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:49:46,457 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan 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 -> Taipan 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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-12-07 19:49:46,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:49:46,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:49:46,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:49:46,567 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:49:46,567 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:49:46,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-12-07 19:49:46,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/60c99af13/aee3a37d39ed49dbbac2c7dc29cf5289/FLAG157f6d25b [2019-12-07 19:49:46,925 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:49:46,925 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-12-07 19:49:46,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/60c99af13/aee3a37d39ed49dbbac2c7dc29cf5289/FLAG157f6d25b [2019-12-07 19:49:46,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/60c99af13/aee3a37d39ed49dbbac2c7dc29cf5289 [2019-12-07 19:49:46,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:49:46,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:49:46,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:49:46,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:49:46,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:49:46,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:49:46" (1/1) ... [2019-12-07 19:49:46,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a937d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:46, skipping insertion in model container [2019-12-07 19:49:46,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:49:46" (1/1) ... [2019-12-07 19:49:46,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:49:46,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:49:47,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:49:47,126 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:49:47,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:49:47,160 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:49:47,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47 WrapperNode [2019-12-07 19:49:47,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:49:47,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:49:47,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:49:47,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:49:47,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:49:47,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:49:47,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:49:47,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:49:47,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... [2019-12-07 19:49:47,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:49:47,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:49:47,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:49:47,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:49:47,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/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 [2019-12-07 19:49:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:49:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 19:49:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 19:49:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 19:49:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:49:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:49:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 19:49:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:49:47,476 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:49:47,477 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 19:49:47,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:49:47 BoogieIcfgContainer [2019-12-07 19:49:47,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:49:47,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:49:47,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:49:47,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:49:47,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:49:46" (1/3) ... [2019-12-07 19:49:47,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2885239f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:49:47, skipping insertion in model container [2019-12-07 19:49:47,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:47" (2/3) ... [2019-12-07 19:49:47,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2885239f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:49:47, skipping insertion in model container [2019-12-07 19:49:47,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:49:47" (3/3) ... [2019-12-07 19:49:47,482 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2019-12-07 19:49:47,488 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:49:47,492 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:49:47,500 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:49:47,514 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:49:47,514 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:49:47,514 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:49:47,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:49:47,514 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:49:47,514 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:49:47,514 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:49:47,514 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:49:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-07 19:49:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 19:49:47,527 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:49:47,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:49:47,527 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:49:47,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:49:47,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1813481462, now seen corresponding path program 1 times [2019-12-07 19:49:47,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:49:47,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864394928] [2019-12-07 19:49:47,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:49:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:49:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:47,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864394928] [2019-12-07 19:49:47,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:49:47,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:49:47,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228026787] [2019-12-07 19:49:47,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:49:47,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 19:49:47,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:49:47,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:49:47,621 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-12-07 19:49:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:49:47,633 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2019-12-07 19:49:47,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:49:47,634 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 19:49:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:49:47,640 INFO L225 Difference]: With dead ends: 43 [2019-12-07 19:49:47,641 INFO L226 Difference]: Without dead ends: 20 [2019-12-07 19:49:47,642 INFO L630 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 [2019-12-07 19:49:47,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-12-07 19:49:47,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 19:49:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 19:49:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-12-07 19:49:47,664 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 9 [2019-12-07 19:49:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:49:47,664 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 19:49:47,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:49:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-12-07 19:49:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 19:49:47,665 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:49:47,665 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:49:47,665 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:49:47,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:49:47,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1735217249, now seen corresponding path program 1 times [2019-12-07 19:49:47,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:49:47,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881322776] [2019-12-07 19:49:47,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:49:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:49:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:49:47,717 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 19:49:47,717 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:49:47,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:49:47 BoogieIcfgContainer [2019-12-07 19:49:47,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:49:47,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:49:47,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:49:47,733 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:49:47,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:49:47" (3/4) ... [2019-12-07 19:49:47,736 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:49:47,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:49:47,738 INFO L168 Benchmark]: Toolchain (without parser) took 795.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -114.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:47,738 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:49:47,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:47,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:47,739 INFO L168 Benchmark]: Boogie Preprocessor took 20.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:49:47,739 INFO L168 Benchmark]: RCFGBuilder took 263.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:47,740 INFO L168 Benchmark]: TraceAbstraction took 255.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:47,740 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:49:47,742 INFO L335 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 263.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 255.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 26, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L86] double x = -0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND FALSE !(exponent_less_1023 < 20) [L41] COND TRUE exponent_less_1023 > 51 [L42] COND TRUE exponent_less_1023 == 1024 [L43] return x + x; [L87] double res = round_double(x); [L90] EXPR res == -0.0 && __signbit_double(res) == 1 [L90] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L91] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 27 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=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 19:49:49,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:49:49,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:49:49,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:49:49,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:49:49,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:49:49,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:49:49,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:49:49,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:49:49,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:49:49,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:49:49,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:49:49,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:49:49,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:49:49,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:49:49,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:49:49,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:49:49,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:49:49,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:49:49,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:49:49,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:49:49,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:49:49,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:49:49,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:49:49,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:49:49,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:49:49,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:49:49,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:49:49,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:49:49,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:49:49,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:49:49,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:49:49,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:49:49,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:49:49,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:49:49,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:49:49,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:49:49,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:49:49,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:49:49,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:49:49,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:49:49,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:49:49,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:49:49,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:49:49,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:49:49,157 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:49:49,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:49:49,158 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:49:49,158 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:49:49,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:49:49,158 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:49:49,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:49:49,159 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:49:49,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:49:49,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:49:49,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:49:49,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:49:49,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:49:49,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:49:49,160 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:49:49,160 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:49:49,160 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:49:49,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:49:49,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:49:49,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:49:49,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:49:49,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:49:49,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:49:49,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:49:49,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:49:49,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:49:49,162 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan 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 -> Taipan 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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-12-07 19:49:49,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:49:49,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:49:49,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:49:49,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:49:49,355 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:49:49,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-12-07 19:49:49,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/3555e9155/be2ea3da13d948b980e64fb6e589743b/FLAG82a0fd38b [2019-12-07 19:49:49,720 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:49:49,721 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-12-07 19:49:49,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/3555e9155/be2ea3da13d948b980e64fb6e589743b/FLAG82a0fd38b [2019-12-07 19:49:49,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/data/3555e9155/be2ea3da13d948b980e64fb6e589743b [2019-12-07 19:49:49,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:49:49,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:49:49,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:49:49,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:49:49,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:49:49,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:49,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@faaa545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49, skipping insertion in model container [2019-12-07 19:49:49,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:49,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:49:49,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:49:49,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:49:49,896 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:49:49,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:49:49,976 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:49:49,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49 WrapperNode [2019-12-07 19:49:49,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:49:49,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:49:49,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:49:49,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:49:49,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:49,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:49:50,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:49:50,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:49:50,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:49:50,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... [2019-12-07 19:49:50,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:49:50,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:49:50,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:49:50,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:49:50,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/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 [2019-12-07 19:49:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 19:49:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 19:49:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:49:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:49:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:49:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:49:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:49:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:49:50,344 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:49:50,344 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 19:49:50,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:49:50 BoogieIcfgContainer [2019-12-07 19:49:50,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:49:50,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:49:50,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:49:50,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:49:50,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:49:49" (1/3) ... [2019-12-07 19:49:50,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223c008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:49:50, skipping insertion in model container [2019-12-07 19:49:50,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:49:49" (2/3) ... [2019-12-07 19:49:50,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223c008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:49:50, skipping insertion in model container [2019-12-07 19:49:50,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:49:50" (3/3) ... [2019-12-07 19:49:50,350 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2019-12-07 19:49:50,357 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:49:50,361 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:49:50,368 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:49:50,383 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:49:50,383 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:49:50,384 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:49:50,384 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:49:50,384 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:49:50,384 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:49:50,384 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:49:50,384 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:49:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-12-07 19:49:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 19:49:50,398 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:49:50,399 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:49:50,399 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:49:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:49:50,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-12-07 19:49:50,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:49:50,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952665063] [2019-12-07 19:49:50,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/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 [2019-12-07 19:49:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:49:50,462 INFO L264 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:49:50,466 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:49:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:50,475 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:49:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:50,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952665063] [2019-12-07 19:49:50,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:49:50,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:49:50,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136216944] [2019-12-07 19:49:50,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:49:50,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:49:50,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:49:50,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:49:50,493 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-12-07 19:49:50,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:49:50,508 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-12-07 19:49:50,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:49:50,509 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 19:49:50,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:49:50,518 INFO L225 Difference]: With dead ends: 58 [2019-12-07 19:49:50,518 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 19:49:50,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:49:50,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 19:49:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 19:49:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 19:49:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-12-07 19:49:50,543 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-12-07 19:49:50,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:49:50,543 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-12-07 19:49:50,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:49:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-12-07 19:49:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:49:50,544 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:49:50,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:49:50,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:49:50,745 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:49:50,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:49:50,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-12-07 19:49:50,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:49:50,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553899393] [2019-12-07 19:49:50,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/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 [2019-12-07 19:49:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:49:50,836 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 19:49:50,838 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:49:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:50,895 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:49:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:50,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553899393] [2019-12-07 19:49:50,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:49:50,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 19:49:50,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969744001] [2019-12-07 19:49:50,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:49:50,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:49:50,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:49:50,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:49:50,951 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2019-12-07 19:49:51,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:49:51,108 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-12-07 19:49:51,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 19:49:51,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-12-07 19:49:51,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:49:51,110 INFO L225 Difference]: With dead ends: 40 [2019-12-07 19:49:51,110 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 19:49:51,111 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-07 19:49:51,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 19:49:51,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 19:49:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 19:49:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-12-07 19:49:51,116 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-12-07 19:49:51,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:49:51,116 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-12-07 19:49:51,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:49:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-12-07 19:49:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 19:49:51,117 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:49:51,117 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:49:51,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:49:51,318 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:49:51,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:49:51,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2019-12-07 19:49:51,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:49:51,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497169809] [2019-12-07 19:49:51,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/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 [2019-12-07 19:49:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:49:51,400 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 19:49:51,402 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:49:51,441 INFO L377 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 51 treesize of output 45 [2019-12-07 19:49:51,445 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 19:49:51,448 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:51,448 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 19:49:51,450 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:51,451 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 19:49:51,451 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-12-07 19:49:51,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:49:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:51,491 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:49:51,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:49:51,527 INFO L377 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 46 treesize of output 40 [2019-12-07 19:49:51,529 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 19:49:51,531 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:51,531 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 19:49:51,534 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:51,534 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 19:49:51,534 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:16 [2019-12-07 19:49:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:51,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497169809] [2019-12-07 19:49:51,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:49:51,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-12-07 19:49:51,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253195185] [2019-12-07 19:49:51,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 19:49:51,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:49:51,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 19:49:51,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-12-07 19:49:51,565 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2019-12-07 19:49:51,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:49:51,835 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-12-07 19:49:51,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 19:49:51,836 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-12-07 19:49:51,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:49:51,836 INFO L225 Difference]: With dead ends: 24 [2019-12-07 19:49:51,836 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 19:49:51,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-12-07 19:49:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 19:49:51,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 19:49:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 19:49:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-12-07 19:49:51,840 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-12-07 19:49:51,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:49:51,841 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-12-07 19:49:51,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 19:49:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-12-07 19:49:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 19:49:51,841 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:49:51,841 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:49:52,042 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:49:52,043 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:49:52,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:49:52,043 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2019-12-07 19:49:52,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:49:52,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237158538] [2019-12-07 19:49:52,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a32369a-497b-40b4-9c67-af9d98506563/bin/utaipan/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 [2019-12-07 19:49:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:49:52,147 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-07 19:49:52,150 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:49:52,179 INFO L377 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 48 treesize of output 42 [2019-12-07 19:49:52,182 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 19:49:52,184 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:52,185 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 19:49:52,192 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:52,192 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 19:49:52,192 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2019-12-07 19:49:52,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:49:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:52,348 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:49:52,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:49:52,575 INFO L377 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 52 treesize of output 46 [2019-12-07 19:49:52,578 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 19:49:52,581 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:52,581 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 19:49:52,588 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:49:52,588 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 19:49:52,589 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:60, output treesize:30 [2019-12-07 19:49:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:49:54,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237158538] [2019-12-07 19:49:54,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:49:54,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-12-07 19:49:54,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295101795] [2019-12-07 19:49:54,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 19:49:54,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:49:54,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 19:49:54,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2019-12-07 19:49:54,871 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2019-12-07 19:49:55,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:49:55,545 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-12-07 19:49:55,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 19:49:55,546 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2019-12-07 19:49:55,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:49:55,546 INFO L225 Difference]: With dead ends: 21 [2019-12-07 19:49:55,546 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:49:55,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=140, Invalid=459, Unknown=1, NotChecked=0, Total=600 [2019-12-07 19:49:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:49:55,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:49:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:49:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:49:55,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-12-07 19:49:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:49:55,548 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:49:55,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 19:49:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:49:55,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:49:55,748 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:49:55,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:49:56,131 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-12-07 19:49:56,303 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-12-07 19:49:56,305 INFO L246 CegarLoopResult]: For program point L27(lines 27 56) no Hoare annotation was computed. [2019-12-07 19:49:56,305 INFO L246 CegarLoopResult]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-12-07 19:49:56,305 INFO L246 CegarLoopResult]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2019-12-07 19:49:56,305 INFO L246 CegarLoopResult]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L242 CegarLoopResult]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~res~0 (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) |ULTIMATE.start_main_#t~short10| (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse3 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (fp.neg (_ +zero 11 53))))) (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (let ((.cse4 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53)))))) [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point L28(lines 28 40) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-12-07 19:49:56,306 INFO L246 CegarLoopResult]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 93) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L242 CegarLoopResult]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (fp.neg (_ +zero 11 53))) [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point L41(lines 41 56) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:49:56,307 INFO L249 CegarLoopResult]: At program point L95(lines 78 96) the Hoare annotation is: true [2019-12-07 19:49:56,307 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-12-07 19:49:56,308 INFO L242 CegarLoopResult]: At program point L75(lines 66 76) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64)) (v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3)) (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse3 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32))) |ULTIMATE.start_main_#t~short10| (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse4 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (fp.neg (_ +zero 11 53))))) (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (let ((.cse5 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53)))))) [2019-12-07 19:49:56,308 INFO L246 CegarLoopResult]: For program point L42(lines 42 45) no Hoare annotation was computed. [2019-12-07 19:49:56,308 INFO L242 CegarLoopResult]: At program point L63(lines 17 64) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (fp.neg (_ +zero 11 53))))) (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (let ((.cse2 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53)))))) [2019-12-07 19:49:56,308 INFO L246 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-12-07 19:49:56,308 INFO L246 CegarLoopResult]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2019-12-07 19:49:56,309 INFO L246 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-12-07 19:49:56,313 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) 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:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) 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:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-12-07 19:49:56,315 INFO L168 Benchmark]: Toolchain (without parser) took 6578.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 952.4 MB in the beginning and 796.3 MB in the end (delta: 156.1 MB). Peak memory consumption was 266.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:56,315 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:49:56,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:56,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.84 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:56,316 INFO L168 Benchmark]: Boogie Preprocessor took 25.54 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. [2019-12-07 19:49:56,317 INFO L168 Benchmark]: RCFGBuilder took 312.79 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:56,317 INFO L168 Benchmark]: TraceAbstraction took 5967.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 796.3 MB in the end (delta: 276.3 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:56,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.84 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.54 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. * RCFGBuilder took 312.79 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5967.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 796.3 MB in the end (delta: 276.3 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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 (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...