./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8be2489bdcd97218605067fa4593696f9050abdf ........................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8be2489bdcd97218605067fa4593696f9050abdf .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 23:35:37,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:35:37,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:35:37,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:35:37,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:35:37,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:35:37,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:35:37,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:35:37,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:35:37,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:35:37,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:35:37,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:35:37,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:35:37,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:35:37,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:35:37,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:35:37,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:35:37,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:35:37,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:35:37,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:35:37,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:35:37,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:35:37,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:35:37,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:35:37,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:35:37,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:35:37,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:35:37,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:35:37,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:35:37,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:35:37,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:35:37,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:35:37,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:35:37,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:35:37,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:35:37,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:35:37,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:35:37,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:35:37,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:35:37,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:35:37,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:35:37,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:35:37,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:35:37,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:35:37,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:35:37,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:35:37,197 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:35:37,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:35:37,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:35:37,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:35:37,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:35:37,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:35:37,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:35:37,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:35:37,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:35:37,200 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:35:37,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:35:37,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:35:37,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:35:37,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:35:37,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:35:37,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:35:37,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:35:37,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:35:37,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:35:37,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:35:37,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:35:37,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:35:37,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:35:37,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:35:37,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-11-19 23:35:37,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:35:37,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:35:37,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:35:37,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:35:37,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:35:37,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 23:35:37,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/bb4b35d2d/f34f6602f1b44995b8663b6fffa86886/FLAG3d9a4a2c7 [2019-11-19 23:35:37,771 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:35:37,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 23:35:37,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/bb4b35d2d/f34f6602f1b44995b8663b6fffa86886/FLAG3d9a4a2c7 [2019-11-19 23:35:37,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/bb4b35d2d/f34f6602f1b44995b8663b6fffa86886 [2019-11-19 23:35:37,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:35:37,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:35:37,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:35:37,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:35:37,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:35:37,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:35:37" (1/1) ... [2019-11-19 23:35:37,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3499463c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:37, skipping insertion in model container [2019-11-19 23:35:37,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:35:37" (1/1) ... [2019-11-19 23:35:37,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:35:37,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:35:38,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:35:38,051 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:35:38,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:35:38,097 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:35:38,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38 WrapperNode [2019-11-19 23:35:38,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:35:38,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:35:38,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:35:38,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:35:38,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:35:38,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:35:38,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:35:38,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:35:38,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... [2019-11-19 23:35:38,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:35:38,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:35:38,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:35:38,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:35:38,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:35:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 23:35:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:35:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 23:35:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:35:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:35:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:35:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:35:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:35:38,556 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:35:38,557 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 23:35:38,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:38 BoogieIcfgContainer [2019-11-19 23:35:38,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:35:38,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:35:38,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:35:38,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:35:38,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:35:37" (1/3) ... [2019-11-19 23:35:38,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfe400c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:35:38, skipping insertion in model container [2019-11-19 23:35:38,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:38" (2/3) ... [2019-11-19 23:35:38,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfe400c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:35:38, skipping insertion in model container [2019-11-19 23:35:38,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:38" (3/3) ... [2019-11-19 23:35:38,564 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-19 23:35:38,571 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:35:38,576 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:35:38,587 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:35:38,608 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:35:38,608 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:35:38,608 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:35:38,608 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:35:38,609 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:35:38,609 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:35:38,609 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:35:38,609 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:35:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 23:35:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:35:38,629 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:38,630 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:35:38,630 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:38,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:38,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-19 23:35:38,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:35:38,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922774891] [2019-11-19 23:35:38,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:35:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:35:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:38,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922774891] [2019-11-19 23:35:38,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:35:38,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:35:38,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100445500] [2019-11-19 23:35:38,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:35:38,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:35:38,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:35:38,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:35:38,776 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 23:35:38,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:35:38,795 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 23:35:38,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:35:38,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 23:35:38,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:35:38,805 INFO L225 Difference]: With dead ends: 64 [2019-11-19 23:35:38,805 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 23:35:38,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:35:38,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 23:35:38,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 23:35:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 23:35:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-19 23:35:38,836 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-19 23:35:38,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:35:38,836 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-19 23:35:38,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:35:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-19 23:35:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:35:38,837 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:38,838 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:35:38,838 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:38,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:38,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-19 23:35:38,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:35:38,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248339387] [2019-11-19 23:35:38,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:35:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:35:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:35:38,919 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:35:38,919 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 23:35:38,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:35:38 BoogieIcfgContainer [2019-11-19 23:35:38,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:35:38,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:35:38,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:35:38,942 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:35:38,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:38" (3/4) ... [2019-11-19 23:35:38,946 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:35:38,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:35:38,948 INFO L168 Benchmark]: Toolchain (without parser) took 1157.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:38,948 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:35:38,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:38,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.31 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. [2019-11-19 23:35:38,950 INFO L168 Benchmark]: Boogie Preprocessor took 42.04 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:38,950 INFO L168 Benchmark]: RCFGBuilder took 379.54 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: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:38,951 INFO L168 Benchmark]: TraceAbstraction took 382.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:38,951 INFO L168 Benchmark]: Witness Printer took 4.29 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. [2019-11-19 23:35:38,954 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.31 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 42.04 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 379.54 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: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 382.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = -0.0; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 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=33occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.24-678e011 [2019-11-19 23:35:40,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:35:40,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:35:40,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:35:40,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:35:40,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:35:40,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:35:40,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:35:40,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:35:40,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:35:40,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:35:40,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:35:40,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:35:40,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:35:40,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:35:40,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:35:40,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:35:40,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:35:40,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:35:40,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:35:40,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:35:40,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:35:40,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:35:40,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:35:40,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:35:40,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:35:40,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:35:40,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:35:40,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:35:40,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:35:40,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:35:40,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:35:40,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:35:40,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:35:40,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:35:40,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:35:40,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:35:40,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:35:40,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:35:40,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:35:40,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:35:40,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 23:35:40,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:35:40,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:35:40,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:35:40,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:35:40,900 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:35:40,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:35:40,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:35:40,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:35:40,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:35:40,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:35:40,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:35:40,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:35:40,902 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 23:35:40,902 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 23:35:40,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:35:40,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:35:40,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:35:40,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:35:40,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:35:40,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:35:40,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:35:40,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:35:40,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:35:40,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:35:40,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:35:40,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:35:40,906 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 23:35:40,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 23:35:40,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:35:40,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 23:35:40,907 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-11-19 23:35:41,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:35:41,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:35:41,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:35:41,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:35:41,173 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:35:41,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 23:35:41,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/80e635823/1e4a7f3471eb47aeb30dc5250ccec2a7/FLAG85075fe54 [2019-11-19 23:35:41,562 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:35:41,563 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 23:35:41,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/80e635823/1e4a7f3471eb47aeb30dc5250ccec2a7/FLAG85075fe54 [2019-11-19 23:35:41,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/data/80e635823/1e4a7f3471eb47aeb30dc5250ccec2a7 [2019-11-19 23:35:41,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:35:41,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:35:41,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:35:41,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:35:41,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:35:41,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:35:41" (1/1) ... [2019-11-19 23:35:41,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c204b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:41, skipping insertion in model container [2019-11-19 23:35:41,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:35:41" (1/1) ... [2019-11-19 23:35:41,968 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:35:41,984 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:35:42,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:35:42,144 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:35:42,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:35:42,197 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:35:42,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42 WrapperNode [2019-11-19 23:35:42,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:35:42,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:35:42,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:35:42,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:35:42,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:35:42,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:35:42,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:35:42,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:35:42,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... [2019-11-19 23:35:42,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:35:42,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:35:42,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:35:42,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:35:42,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:35:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-19 23:35:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 23:35:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-19 23:35:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:35:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:35:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:35:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 23:35:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:35:43,489 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:35:43,489 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 23:35:43,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:43 BoogieIcfgContainer [2019-11-19 23:35:43,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:35:43,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:35:43,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:35:43,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:35:43,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:35:41" (1/3) ... [2019-11-19 23:35:43,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3cbed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:35:43, skipping insertion in model container [2019-11-19 23:35:43,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:42" (2/3) ... [2019-11-19 23:35:43,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3cbed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:35:43, skipping insertion in model container [2019-11-19 23:35:43,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:43" (3/3) ... [2019-11-19 23:35:43,495 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-19 23:35:43,502 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:35:43,506 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:35:43,515 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:35:43,536 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:35:43,536 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:35:43,536 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:35:43,537 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:35:43,537 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:35:43,537 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:35:43,537 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:35:43,538 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:35:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 23:35:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:35:43,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:43,557 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:35:43,558 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:43,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:43,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-19 23:35:43,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:35:43,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265191474] [2019-11-19 23:35:43,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-19 23:35:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:35:43,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 23:35:43,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:35:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:43,654 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:35:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:43,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265191474] [2019-11-19 23:35:43,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:35:43,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 23:35:43,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278589502] [2019-11-19 23:35:43,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:35:43,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:35:43,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:35:43,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:35:43,678 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 23:35:43,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:35:43,696 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 23:35:43,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:35:43,698 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 23:35:43,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:35:43,707 INFO L225 Difference]: With dead ends: 64 [2019-11-19 23:35:43,707 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 23:35:43,710 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:35:43,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 23:35:43,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 23:35:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 23:35:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-19 23:35:43,742 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-19 23:35:43,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:35:43,742 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-19 23:35:43,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:35:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-19 23:35:43,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:35:43,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:43,743 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:35:43,943 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 23:35:43,944 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:43,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:43,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-19 23:35:43,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:35:43,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429866913] [2019-11-19 23:35:43,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-19 23:35:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:35:44,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 23:35:44,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:35:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:44,097 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:35:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:44,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429866913] [2019-11-19 23:35:44,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:35:44,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 23:35:44,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070939737] [2019-11-19 23:35:44,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:35:44,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:35:44,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:35:44,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:35:44,190 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-11-19 23:35:44,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:35:44,536 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-11-19 23:35:44,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:35:44,537 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-19 23:35:44,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:35:44,538 INFO L225 Difference]: With dead ends: 37 [2019-11-19 23:35:44,538 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 23:35:44,539 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-19 23:35:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 23:35:44,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 23:35:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 23:35:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-19 23:35:44,543 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-11-19 23:35:44,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:35:44,543 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-19 23:35:44,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:35:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-19 23:35:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:35:44,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:44,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:35:44,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 23:35:44,745 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:44,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:44,746 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-11-19 23:35:44,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:35:44,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634660870] [2019-11-19 23:35:44,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-19 23:35:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:35:44,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:35:44,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:35:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:44,939 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:35:45,635 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-19 23:35:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:45,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634660870] [2019-11-19 23:35:45,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:35:45,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-19 23:35:45,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624441077] [2019-11-19 23:35:45,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:35:45,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:35:45,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:35:45,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:35:45,808 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-11-19 23:35:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:35:46,418 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-19 23:35:46,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:35:46,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-19 23:35:46,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:35:46,425 INFO L225 Difference]: With dead ends: 23 [2019-11-19 23:35:46,425 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 23:35:46,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:35:46,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 23:35:46,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 23:35:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 23:35:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-19 23:35:46,429 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-19 23:35:46,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:35:46,429 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-19 23:35:46,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:35:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-19 23:35:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:35:46,430 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:46,430 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:35:46,630 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 23:35:46,631 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:46,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:46,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-11-19 23:35:46,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:35:46,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056071915] [2019-11-19 23:35:46,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dba22814-a1ee-45df-9bd0-a99012607e14/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-19 23:35:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:35:46,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 23:35:46,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:35:46,812 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-19 23:35:46,818 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 23:35:46,821 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:35:46,821 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 23:35:46,830 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:35:46,830 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 23:35:46,831 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-11-19 23:35:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:46,913 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:35:46,980 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-19 23:35:46,983 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 23:35:46,987 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:35:46,988 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 23:35:46,996 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:35:46,996 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 23:35:46,997 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-19 23:35:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:47,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056071915] [2019-11-19 23:35:47,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:35:47,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-19 23:35:47,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857797050] [2019-11-19 23:35:47,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-19 23:35:47,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:35:47,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-19 23:35:47,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-19 23:35:47,061 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-11-19 23:35:47,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:35:47,341 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-19 23:35:47,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:35:47,341 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-19 23:35:47,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:35:47,342 INFO L225 Difference]: With dead ends: 16 [2019-11-19 23:35:47,342 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:35:47,343 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-19 23:35:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:35:47,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:35:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:35:47,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:35:47,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-19 23:35:47,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:35:47,344 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:35:47,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-19 23:35:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:35:47,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:35:47,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-19 23:35:47,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:35:47,709 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-11-19 23:35:47,739 INFO L444 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-11-19 23:35:47,739 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-11-19 23:35:47,739 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-19 23:35:47,740 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-11-19 23:35:47,741 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-11-19 23:35:47,741 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x (let ((.cse0 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) [2019-11-19 23:35:47,741 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-19 23:35:47,741 INFO L440 ceAbstractionStarter]: At program point L80(lines 19 81) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_ceil_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_ceil_double_~i0~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-11-19 23:35:47,742 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-11-19 23:35:47,742 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-19 23:35:47,742 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:35:47,742 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-11-19 23:35:47,742 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-11-19 23:35:47,742 INFO L444 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-11-19 23:35:47,742 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-19 23:35:47,743 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-11-19 23:35:47,743 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:35:47,743 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-19 23:35:47,743 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-11-19 23:35:47,743 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-19 23:35:47,743 INFO L447 ceAbstractionStarter]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-11-19 23:35:47,743 INFO L444 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-11-19 23:35:47,743 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-19 23:35:47,747 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.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:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java: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) [2019-11-19 23:35:47,751 INFO L168 Benchmark]: Toolchain (without parser) took 5797.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 960.4 MB in the beginning and 989.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:47,752 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:35:47,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.87 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 944.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:47,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -214.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:47,754 INFO L168 Benchmark]: Boogie Preprocessor took 35.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:47,754 INFO L168 Benchmark]: RCFGBuilder took 1164.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:47,755 INFO L168 Benchmark]: TraceAbstraction took 4258.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 137.6 MB). Peak memory consumption was 137.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:35:47,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 242.87 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 944.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -214.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1164.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4258.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 137.6 MB). Peak memory consumption was 137.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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...