./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d ........................................................................................................................................................................................................................................................................................... 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/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-cad4683 [2019-10-22 11:25:29,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:29,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:29,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:29,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:29,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:29,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:29,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:29,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:29,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:29,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:29,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:29,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:29,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:29,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:29,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:29,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:29,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:29,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:29,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:29,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:29,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:29,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:29,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:29,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:29,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:29,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:29,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:29,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:29,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:29,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:29,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:29,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:29,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:29,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:29,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:29,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:29,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:29,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:29,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:29,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:29,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:29,164 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:29,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:29,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:29,175 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:29,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:29,175 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:29,175 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:29,175 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:29,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:29,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:29,176 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:29,176 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:29,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:29,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:29,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:29,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:29,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:29,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:29,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:29,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:29,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:29,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:29,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:29,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:29,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:29,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:29,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:29,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:29,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:29,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:29,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:29,180 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:29,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:29,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:29,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:29,181 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/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 -> 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d [2019-10-22 11:25:29,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:29,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:29,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:29,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:29,229 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:29,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-10-22 11:25:29,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/515a41342/7411e1b1dd134bb38b41d290fb702513/FLAG79f18889e [2019-10-22 11:25:29,658 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:29,659 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-10-22 11:25:29,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/515a41342/7411e1b1dd134bb38b41d290fb702513/FLAG79f18889e [2019-10-22 11:25:29,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/515a41342/7411e1b1dd134bb38b41d290fb702513 [2019-10-22 11:25:29,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:29,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:29,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:29,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:29,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:29,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:29,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b43a16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29, skipping insertion in model container [2019-10-22 11:25:29,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:29,694 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:29,710 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:29,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:29,914 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:29,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:29,960 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:29,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29 WrapperNode [2019-10-22 11:25:29,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:29,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:29,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:29,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:29,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:29,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:29,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:29,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:29,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:29,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:30,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:30,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:30,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:30,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:30,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:30,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:30,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... [2019-10-22 11:25:30,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:30,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:30,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:30,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:30,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 [2019-10-22 11:25:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:25:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:25:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:25:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:25:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:30,407 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:30,407 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 11:25:30,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:30 BoogieIcfgContainer [2019-10-22 11:25:30,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:30,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:30,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:30,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:30,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:29" (1/3) ... [2019-10-22 11:25:30,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4cdf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:30, skipping insertion in model container [2019-10-22 11:25:30,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:29" (2/3) ... [2019-10-22 11:25:30,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4cdf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:30, skipping insertion in model container [2019-10-22 11:25:30,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:30" (3/3) ... [2019-10-22 11:25:30,415 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2019-10-22 11:25:30,424 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:30,431 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:25:30,440 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:25:30,460 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:30,460 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:30,461 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:30,461 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:30,461 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:30,461 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:30,461 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:30,461 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-10-22 11:25:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:25:30,479 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:30,479 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:30,481 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:30,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-10-22 11:25:30,503 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:30,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731820079] [2019-10-22 11:25:30,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:30,504 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:30,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:30,665 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731820079] [2019-10-22 11:25:30,665 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:30,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:30,666 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653719645] [2019-10-22 11:25:30,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:30,672 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:30,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:30,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:30,688 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-10-22 11:25:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:30,708 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-10-22 11:25:30,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:30,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 11:25:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:30,720 INFO L225 Difference]: With dead ends: 58 [2019-10-22 11:25:30,720 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 11:25:30,726 INFO L600 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 [2019-10-22 11:25:30,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 11:25:30,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 11:25:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 11:25:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-10-22 11:25:30,764 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-10-22 11:25:30,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:30,765 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-10-22 11:25:30,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-10-22 11:25:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:25:30,766 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:30,766 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:30,767 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:30,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:30,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-10-22 11:25:30,768 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:30,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061318763] [2019-10-22 11:25:30,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:30,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:30,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:30,861 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:25:30,863 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:25:30,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:30 BoogieIcfgContainer [2019-10-22 11:25:30,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:30,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:30,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:30,888 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:30,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:30" (3/4) ... [2019-10-22 11:25:30,892 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:25:30,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:30,894 INFO L168 Benchmark]: Toolchain (without parser) took 1213.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -102.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:30,895 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:30,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:30,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.78 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. [2019-10-22 11:25:30,896 INFO L168 Benchmark]: Boogie Preprocessor took 51.83 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. [2019-10-22 11:25:30,897 INFO L168 Benchmark]: RCFGBuilder took 358.87 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:30,897 INFO L168 Benchmark]: TraceAbstraction took 478.48 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:30,897 INFO L168 Benchmark]: Witness Printer took 4.63 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. [2019-10-22 11:25:30,899 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 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.78 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. * Boogie Preprocessor took 51.83 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 358.87 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 478.48 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of shiftRight at line 34, overapproximation of bitwiseAnd at line 35. 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 TRUE exponent_less_1023 < 20 [L28] COND FALSE !(exponent_less_1023 < 0) [L34] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L35] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L36] return x; [L87] double res = round_double(x); [L90] EXPR res == 0.0 && __signbit_double(res) == 0 [L90] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L91] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 38 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=30occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.24-cad4683 [2019-10-22 11:25:32,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:32,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:32,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:32,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:32,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:32,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:32,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:32,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:32,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:32,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:32,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:32,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:32,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:32,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:32,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:32,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:32,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:32,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:32,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:32,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:32,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:32,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:32,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:32,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:32,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:32,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:32,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:32,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:32,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:32,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:32,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:32,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:32,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:32,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:32,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:32,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:32,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:32,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:32,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:32,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:32,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:25:32,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:32,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:32,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:32,943 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:32,943 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:32,943 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:32,943 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:32,944 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:32,944 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:32,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:32,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:25:32,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:32,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:32,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:25:32,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:32,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:32,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:32,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:32,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:32,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:32,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:32,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:32,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:32,947 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:25:32,947 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:25:32,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:32,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:32,947 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/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 -> 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d [2019-10-22 11:25:32,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:33,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:33,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:33,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:33,009 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:33,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-10-22 11:25:33,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/224d8c333/38b12e0833a445dca30b7cbadf30d669/FLAGb2423e597 [2019-10-22 11:25:33,464 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:33,466 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-10-22 11:25:33,473 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/224d8c333/38b12e0833a445dca30b7cbadf30d669/FLAGb2423e597 [2019-10-22 11:25:33,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/bin/utaipan/data/224d8c333/38b12e0833a445dca30b7cbadf30d669 [2019-10-22 11:25:33,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:33,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:33,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:33,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:33,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:33,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8781434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33, skipping insertion in model container [2019-10-22 11:25:33,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,510 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:33,528 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:33,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:33,721 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:33,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:33,855 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:33,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33 WrapperNode [2019-10-22 11:25:33,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:33,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:33,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:33,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:33,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:33,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:33,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:33,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:33,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... [2019-10-22 11:25:33,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:33,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:33,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:33,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:33,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 [2019-10-22 11:25:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 11:25:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 11:25:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:25:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:25:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:34,361 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:34,361 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 11:25:34,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:34 BoogieIcfgContainer [2019-10-22 11:25:34,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:34,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:34,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:34,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:34,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:33" (1/3) ... [2019-10-22 11:25:34,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b811cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:34, skipping insertion in model container [2019-10-22 11:25:34,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:33" (2/3) ... [2019-10-22 11:25:34,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b811cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:34, skipping insertion in model container [2019-10-22 11:25:34,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:34" (3/3) ... [2019-10-22 11:25:34,370 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2019-10-22 11:25:34,379 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:34,386 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:25:34,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:25:34,416 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:34,417 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:34,417 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:34,417 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:34,417 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:34,417 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:34,417 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:34,417 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-10-22 11:25:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:25:34,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:34,438 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:34,440 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:34,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:34,445 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-10-22 11:25:34,454 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:34,454 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863697376] [2019-10-22 11:25:34,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 [2019-10-22 11:25:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:34,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:25:34,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:34,550 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:34,554 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863697376] [2019-10-22 11:25:34,554 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:34,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:25:34,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655884432] [2019-10-22 11:25:34,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:34,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:25:34,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:34,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:34,574 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-10-22 11:25:34,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:34,591 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-10-22 11:25:34,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:34,592 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 11:25:34,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:34,601 INFO L225 Difference]: With dead ends: 58 [2019-10-22 11:25:34,601 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 11:25:34,604 INFO L600 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 [2019-10-22 11:25:34,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 11:25:34,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 11:25:34,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 11:25:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-10-22 11:25:34,637 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-10-22 11:25:34,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:34,638 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-10-22 11:25:34,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-10-22 11:25:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:25:34,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:34,639 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:34,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:25:34,848 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:34,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:34,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-10-22 11:25:34,848 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:34,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863394526] [2019-10-22 11:25:34,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 [2019-10-22 11:25:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:34,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:25:34,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:35,012 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:35,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863394526] [2019-10-22 11:25:35,080 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:35,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 11:25:35,080 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996573230] [2019-10-22 11:25:35,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:25:35,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:25:35,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:25:35,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:35,083 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2019-10-22 11:25:35,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:35,267 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-10-22 11:25:35,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:35,268 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-10-22 11:25:35,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:35,269 INFO L225 Difference]: With dead ends: 40 [2019-10-22 11:25:35,269 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 11:25:35,270 INFO L600 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 [2019-10-22 11:25:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 11:25:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 11:25:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 11:25:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-10-22 11:25:35,275 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-10-22 11:25:35,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:35,276 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-10-22 11:25:35,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:25:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-10-22 11:25:35,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:25:35,277 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:35,277 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:35,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:25:35,478 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:35,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:35,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2019-10-22 11:25:35,479 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:35,479 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786288551] [2019-10-22 11:25:35,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 [2019-10-22 11:25:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:35,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:25:35,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:35,621 INFO L375 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 [2019-10-22 11:25:35,626 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:35,631 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:35,632 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:35,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:35,636 INFO L496 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. [2019-10-22 11:25:35,636 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-10-22 11:25:35,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:35,698 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:35,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:35,767 INFO L375 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 45 treesize of output 39 [2019-10-22 11:25:35,775 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:35,779 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:35,780 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:35,784 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:35,784 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:35,785 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-10-22 11:25:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:35,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786288551] [2019-10-22 11:25:35,835 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:35,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-10-22 11:25:35,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979006134] [2019-10-22 11:25:35,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:25:35,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:25:35,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:25:35,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:25:35,837 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2019-10-22 11:25:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:36,098 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-10-22 11:25:36,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:36,100 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-10-22 11:25:36,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:36,101 INFO L225 Difference]: With dead ends: 24 [2019-10-22 11:25:36,101 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 11:25:36,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:25:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 11:25:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 11:25:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 11:25:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-10-22 11:25:36,105 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-10-22 11:25:36,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:36,106 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-10-22 11:25:36,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:25:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-10-22 11:25:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:25:36,110 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:36,110 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:36,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 11:25:36,319 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:36,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:36,319 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2019-10-22 11:25:36,320 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:36,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627892683] [2019-10-22 11:25:36,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f23fbf-3111-490c-8327-7302aae747e6/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 [2019-10-22 11:25:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:36,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-22 11:25:36,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:36,439 INFO L375 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 [2019-10-22 11:25:36,443 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:36,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:36,446 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:36,459 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:36,459 INFO L496 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. [2019-10-22 11:25:36,460 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:58, output treesize:28 [2019-10-22 11:25:36,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:36,677 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:36,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:36,893 INFO L375 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 [2019-10-22 11:25:36,896 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:36,909 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:36,909 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:36,920 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:36,921 INFO L496 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. [2019-10-22 11:25:36,921 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2019-10-22 11:25:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:39,122 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627892683] [2019-10-22 11:25:39,122 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:39,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-10-22 11:25:39,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045187083] [2019-10-22 11:25:39,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-22 11:25:39,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:25:39,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-22 11:25:39,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2019-10-22 11:25:39,125 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2019-10-22 11:25:39,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:39,887 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-10-22 11:25:39,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:25:39,888 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2019-10-22 11:25:39,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:39,888 INFO L225 Difference]: With dead ends: 21 [2019-10-22 11:25:39,888 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:39,889 INFO L600 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 [2019-10-22 11:25:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:39,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:39,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-10-22 11:25:39,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:39,891 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:39,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-22 11:25:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:39,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:40,092 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 11:25:40,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:40,286 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-10-22 11:25:40,494 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-10-22 11:25:40,686 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-10-22 11:25:40,689 INFO L443 ceAbstractionStarter]: For program point L27(lines 27 56) no Hoare annotation was computed. [2019-10-22 11:25:40,689 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-10-22 11:25:40,689 INFO L443 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2019-10-22 11:25:40,689 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-10-22 11:25:40,689 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-10-22 11:25:40,690 INFO L439 ceAbstractionStarter]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (_ +zero 11 53)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) |ULTIMATE.start_main_#t~short10| (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))))) [2019-10-22 11:25:40,690 INFO L443 ceAbstractionStarter]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2019-10-22 11:25:40,690 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:40,690 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:40,690 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L443 ceAbstractionStarter]: For program point L28(lines 28 40) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L443 ceAbstractionStarter]: For program point L90-2(lines 90 93) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L443 ceAbstractionStarter]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L443 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-10-22 11:25:40,691 INFO L439 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (_ +zero 11 53)) [2019-10-22 11:25:40,692 INFO L443 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-10-22 11:25:40,692 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-10-22 11:25:40,692 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 56) no Hoare annotation was computed. [2019-10-22 11:25:40,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:40,692 INFO L446 ceAbstractionStarter]: At program point L95(lines 78 96) the Hoare annotation is: true [2019-10-22 11:25:40,692 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:25:40,693 INFO L439 ceAbstractionStarter]: At program point L75(lines 66 76) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64)) (v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (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 ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse3 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) (_ +zero 11 53)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) |ULTIMATE.start_main_#t~short10| (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))))) [2019-10-22 11:25:40,693 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 45) no Hoare annotation was computed. [2019-10-22 11:25:40,693 INFO L439 ceAbstractionStarter]: At program point L63(lines 17 64) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse1 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))))) [2019-10-22 11:25:40,693 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-10-22 11:25:40,694 INFO L443 ceAbstractionStarter]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2019-10-22 11:25:40,694 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-10-22 11:25:40,698 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: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:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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) [2019-10-22 11:25:40,701 INFO L168 Benchmark]: Toolchain (without parser) took 7208.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 952.3 MB in the beginning and 852.3 MB in the end (delta: 100.0 MB). Peak memory consumption was 252.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:40,701 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:40,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:40,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.92 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. [2019-10-22 11:25:40,703 INFO L168 Benchmark]: Boogie Preprocessor took 37.81 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. [2019-10-22 11:25:40,703 INFO L168 Benchmark]: RCFGBuilder took 419.98 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. [2019-10-22 11:25:40,704 INFO L168 Benchmark]: TraceAbstraction took 6336.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.3 MB in the end (delta: 260.9 MB). Peak memory consumption was 260.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:40,707 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.92 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. * Boogie Preprocessor took 37.81 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 419.98 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 6336.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.3 MB in the end (delta: 260.9 MB). Peak memory consumption was 260.9 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...