./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 0.1.24-6b5699a [2019-11-25 08:47:47,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:47,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:47,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:47,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:47,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:47,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:47,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:47,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:47,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:47,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:47,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:47,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:47,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:47,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:47,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:47,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:47,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:47,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:47,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:47,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:47,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:47,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:47,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:47,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:47,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:47,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:47,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:47,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:47,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:47,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:47,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:47,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:47,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:47,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:47,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:47,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:47,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:47,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:47,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:47,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:47,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:47:47,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:47,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:47,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:47,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:47,185 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:47,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:47,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:47,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:47,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:47,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:47,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:47,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:47,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:47,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:47,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:47,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:47,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:47,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:47,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:47,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:47,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:47,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:47,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:47,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:47,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:47,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:47,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:47:47,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:47,189 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_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:47,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:47,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:47,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:47,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:47,385 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:47,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-25 08:47:47,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/21ced84d4/fa001a789c604a35bdbd31bcaa671ed9/FLAG2f9e5bbed [2019-11-25 08:47:47,859 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:47,859 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-25 08:47:47,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/21ced84d4/fa001a789c604a35bdbd31bcaa671ed9/FLAG2f9e5bbed [2019-11-25 08:47:48,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/21ced84d4/fa001a789c604a35bdbd31bcaa671ed9 [2019-11-25 08:47:48,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:48,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:48,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:48,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:48,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:48,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578b0616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48, skipping insertion in model container [2019-11-25 08:47:48,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:48,298 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:48,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:48,540 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:48,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:48,592 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:48,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48 WrapperNode [2019-11-25 08:47:48,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:48,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:48,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:48,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:48,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:48,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:48,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:48,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:48,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... [2019-11-25 08:47:48,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:48,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:48,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:48,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:48,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:47:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:47:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:47:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:47:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:47:49,277 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:49,278 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-25 08:47:49,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:49 BoogieIcfgContainer [2019-11-25 08:47:49,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:49,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:49,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:49,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:49,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:47:48" (1/3) ... [2019-11-25 08:47:49,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49138045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:49, skipping insertion in model container [2019-11-25 08:47:49,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:48" (2/3) ... [2019-11-25 08:47:49,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49138045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:49, skipping insertion in model container [2019-11-25 08:47:49,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:49" (3/3) ... [2019-11-25 08:47:49,286 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-25 08:47:49,295 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:49,302 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:47:49,311 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:47:49,335 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:49,336 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:49,336 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:49,336 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:49,336 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:49,336 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:49,337 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:49,337 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-25 08:47:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-25 08:47:49,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:49,357 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:49,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:49,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:49,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-25 08:47:49,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:49,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295472527] [2019-11-25 08:47:49,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:49,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295472527] [2019-11-25 08:47:49,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:49,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:47:49,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779842992] [2019-11-25 08:47:49,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:47:49,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:49,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:47:49,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:47:49,472 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-25 08:47:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:49,487 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-25 08:47:49,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:47:49,488 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-25 08:47:49,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:49,498 INFO L225 Difference]: With dead ends: 64 [2019-11-25 08:47:49,498 INFO L226 Difference]: Without dead ends: 30 [2019-11-25 08:47:49,501 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 [2019-11-25 08:47:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-25 08:47:49,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-25 08:47:49,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-25 08:47:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-25 08:47:49,535 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-25 08:47:49,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:49,535 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-25 08:47:49,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:47:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-25 08:47:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-25 08:47:49,536 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:49,536 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:49,537 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:49,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:49,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-25 08:47:49,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:49,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365146126] [2019-11-25 08:47:49,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:49,620 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:49,621 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:47:49,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:47:49 BoogieIcfgContainer [2019-11-25 08:47:49,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:47:49,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:49,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:49,645 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:49,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:49" (3/4) ... [2019-11-25 08:47:49,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:47:49,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:49,651 INFO L168 Benchmark]: Toolchain (without parser) took 1392.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:49,651 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. [2019-11-25 08:47:49,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:49,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.57 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:49,653 INFO L168 Benchmark]: Boogie Preprocessor took 67.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:49,653 INFO L168 Benchmark]: RCFGBuilder took 562.61 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:49,654 INFO L168 Benchmark]: TraceAbstraction took 364.82 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:49,654 INFO L168 Benchmark]: Witness Printer took 3.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:49,657 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 334.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.57 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 562.61 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 364.82 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 0.1.24-6b5699a [2019-11-25 08:47:51,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:51,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:51,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:51,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:51,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:51,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:51,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:51,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:51,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:51,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:51,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:51,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:51,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:51,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:51,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:51,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:51,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:51,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:51,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:51,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:51,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:51,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:51,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:51,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:51,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:51,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:51,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:51,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:51,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:51,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:51,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:51,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:51,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:51,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:51,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:51,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:51,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:51,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:51,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:51,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:51,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:47:51,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:51,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:51,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:51,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:51,661 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:51,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:51,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:51,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:51,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:51,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:51,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:51,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:51,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:47:51,664 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:47:51,664 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:47:51,664 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:51,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:51,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:51,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:51,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:51,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:51,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:51,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:51,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:51,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:51,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:51,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:51,668 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:47:51,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:47:51,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:51,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:47:51,669 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_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:52,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:52,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:52,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:52,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:52,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:52,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-25 08:47:52,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/d8f9d9130/11d6d20d437c49c294062c19415430a8/FLAG7ff213c76 [2019-11-25 08:47:52,475 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:52,475 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-25 08:47:52,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/d8f9d9130/11d6d20d437c49c294062c19415430a8/FLAG7ff213c76 [2019-11-25 08:47:52,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/bin/uautomizer/data/d8f9d9130/11d6d20d437c49c294062c19415430a8 [2019-11-25 08:47:52,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:52,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:52,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:52,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:52,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:52,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:52" (1/1) ... [2019-11-25 08:47:52,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f5dc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:52, skipping insertion in model container [2019-11-25 08:47:52,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:52" (1/1) ... [2019-11-25 08:47:52,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:52,938 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:53,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:53,098 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:53,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:53,217 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:53,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53 WrapperNode [2019-11-25 08:47:53,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:53,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:53,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:53,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:53,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:53,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:53,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:53,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:53,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... [2019-11-25 08:47:53,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:53,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:53,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:53,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:53,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-25 08:47:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-25 08:47:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:47:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:47:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:47:54,748 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:54,748 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-25 08:47:54,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:54 BoogieIcfgContainer [2019-11-25 08:47:54,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:54,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:54,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:54,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:54,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:47:52" (1/3) ... [2019-11-25 08:47:54,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5e08f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:54, skipping insertion in model container [2019-11-25 08:47:54,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:53" (2/3) ... [2019-11-25 08:47:54,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5e08f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:54, skipping insertion in model container [2019-11-25 08:47:54,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:54" (3/3) ... [2019-11-25 08:47:54,756 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-25 08:47:54,765 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:54,772 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:47:54,781 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:47:54,803 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:54,803 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:54,804 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:54,804 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:54,808 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:54,808 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:54,809 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:54,809 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-25 08:47:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-25 08:47:54,828 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:54,829 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:54,829 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:54,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:54,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-25 08:47:54,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:54,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219132900] [2019-11-25 08:47:54,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:54,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:47:54,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:54,924 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:54,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219132900] [2019-11-25 08:47:54,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:54,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:47:54,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375244152] [2019-11-25 08:47:54,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:47:54,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:54,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:47:54,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:47:54,947 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-25 08:47:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:54,963 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-25 08:47:54,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:47:54,964 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-25 08:47:54,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:54,974 INFO L225 Difference]: With dead ends: 64 [2019-11-25 08:47:54,974 INFO L226 Difference]: Without dead ends: 30 [2019-11-25 08:47:54,977 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 [2019-11-25 08:47:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-25 08:47:55,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-25 08:47:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-25 08:47:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-25 08:47:55,010 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-25 08:47:55,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:55,011 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-25 08:47:55,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:47:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-25 08:47:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-25 08:47:55,012 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:55,012 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:55,225 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:47:55,225 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:55,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:55,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-25 08:47:55,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:55,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663045885] [2019-11-25 08:47:55,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:55,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:47:55,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:55,507 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:55,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663045885] [2019-11-25 08:47:55,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:55,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-25 08:47:55,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403975542] [2019-11-25 08:47:55,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:47:55,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:55,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:47:55,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:47:55,586 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-11-25 08:47:55,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:55,946 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-11-25 08:47:55,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:47:55,948 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-25 08:47:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:55,949 INFO L225 Difference]: With dead ends: 37 [2019-11-25 08:47:55,949 INFO L226 Difference]: Without dead ends: 16 [2019-11-25 08:47:55,950 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:47:55,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-25 08:47:55,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-25 08:47:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-25 08:47:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-25 08:47:55,955 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-11-25 08:47:55,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:55,955 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-25 08:47:55,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:47:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-25 08:47:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 08:47:55,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:55,962 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:56,176 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:47:56,177 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:56,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:56,178 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-11-25 08:47:56,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:56,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017064440] [2019-11-25 08:47:56,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:56,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:47:56,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:56,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:56,437 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:57,394 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-25 08:47:57,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:57,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017064440] [2019-11-25 08:47:57,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:57,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-25 08:47:57,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783843114] [2019-11-25 08:47:57,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:47:57,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:57,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:47:57,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:47:57,536 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-11-25 08:47:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:58,118 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-25 08:47:58,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:47:58,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-25 08:47:58,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:58,126 INFO L225 Difference]: With dead ends: 23 [2019-11-25 08:47:58,126 INFO L226 Difference]: Without dead ends: 16 [2019-11-25 08:47:58,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:47:58,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-25 08:47:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-25 08:47:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-25 08:47:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-25 08:47:58,131 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-25 08:47:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:58,131 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-25 08:47:58,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:47:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-25 08:47:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:47:58,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:58,132 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:58,340 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 08:47:58,340 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:58,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:58,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-11-25 08:47:58,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:58,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457531618] [2019-11-25 08:47:58,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a462382a-44f5-41bd-82d8-e9a76ee4519b/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 [2019-11-25 08:47:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:58,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:47:58,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:58,537 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 [2019-11-25 08:47:58,542 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:47:58,546 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:47:58,546 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:47:58,561 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:47:58,561 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:47:58,561 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-11-25 08:47:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:58,637 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:58,702 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 [2019-11-25 08:47:58,705 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:47:58,710 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:47:58,710 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:47:58,715 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:47:58,715 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:47:58,715 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-25 08:47:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:58,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457531618] [2019-11-25 08:47:58,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:58,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-25 08:47:58,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811019462] [2019-11-25 08:47:58,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-25 08:47:58,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:58,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-25 08:47:58,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:47:58,760 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-11-25 08:47:59,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:59,097 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-25 08:47:59,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:47:59,098 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-25 08:47:59,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:59,098 INFO L225 Difference]: With dead ends: 16 [2019-11-25 08:47:59,098 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:47:59,099 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-25 08:47:59,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:47:59,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:47:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:47:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:47:59,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-25 08:47:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:59,100 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:47:59,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-25 08:47:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:47:59,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:47:59,308 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 08:47:59,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:47:59,487 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-11-25 08:47:59,540 INFO L444 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-11-25 08:47:59,540 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-11-25 08:47:59,540 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-11-25 08:47:59,540 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:47:59,540 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-11-25 08:47:59,541 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-11-25 08:47:59,542 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= currentRoundingMode roundNearestTiesToEven) (= 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))))) [2019-11-25 08:47:59,542 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-25 08:47:59,542 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) currentRoundingMode 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))) (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32))) (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 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))))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-11-25 08:47:59,542 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-11-25 08:47:59,543 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:47:59,544 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-25 08:47:59,544 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-11-25 08:47:59,544 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-25 08:47:59,544 INFO L447 ceAbstractionStarter]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-11-25 08:47:59,544 INFO L444 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-11-25 08:47:59,544 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-25 08:47:59,547 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) [2019-11-25 08:47:59,551 INFO L168 Benchmark]: Toolchain (without parser) took 6653.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 961.8 MB in the beginning and 921.5 MB in the end (delta: 40.3 MB). Peak memory consumption was 144.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:59,551 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-25 08:47:59,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:59,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:59,553 INFO L168 Benchmark]: Boogie Preprocessor took 61.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:59,553 INFO L168 Benchmark]: RCFGBuilder took 1407.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:59,554 INFO L168 Benchmark]: TraceAbstraction took 4799.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 138.7 MB). Peak memory consumption was 138.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:59,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 319.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1407.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4799.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 138.7 MB). Peak memory consumption was 138.7 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...