./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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-cad4683 [2019-11-15 22:13:47,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:13:47,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:13:47,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:13:47,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:13:47,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:13:47,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:13:47,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:13:47,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:13:47,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:13:47,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:13:47,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:13:47,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:13:47,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:13:47,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:13:47,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:13:47,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:13:47,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:13:47,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:13:47,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:13:47,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:13:47,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:13:47,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:13:47,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:13:47,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:13:47,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:13:47,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:13:47,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:13:47,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:13:47,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:13:47,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:13:47,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:13:47,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:13:47,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:13:47,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:13:47,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:13:47,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:13:47,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:13:47,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:13:47,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:13:47,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:13:47,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:13:47,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:13:47,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:13:47,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:13:47,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:13:47,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:13:47,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:13:47,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:13:47,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:13:47,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:13:47,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:13:47,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:13:47,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:13:47,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:13:47,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:13:47,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:13:47,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:13:47,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:13:47,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:13:47,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:13:47,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:13:47,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:13:47,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:13:47,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:13:47,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:13:47,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:13:47,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:13:47,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:13:47,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:13:47,175 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_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:47,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:13:47,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:13:47,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:13:47,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:13:47,225 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:13:47,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-15 22:13:47,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/31d9370b4/ce50ffdfccb3431d9b83aecb0919bfc7/FLAG1afb0e5f0 [2019-11-15 22:13:47,699 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:13:47,700 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-15 22:13:47,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/31d9370b4/ce50ffdfccb3431d9b83aecb0919bfc7/FLAG1afb0e5f0 [2019-11-15 22:13:48,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/31d9370b4/ce50ffdfccb3431d9b83aecb0919bfc7 [2019-11-15 22:13:48,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:13:48,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:13:48,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:13:48,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:13:48,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:13:48,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df9745b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48, skipping insertion in model container [2019-11-15 22:13:48,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,154 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:13:48,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:13:48,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:13:48,456 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:13:48,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:13:48,516 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:13:48,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48 WrapperNode [2019-11-15 22:13:48,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:13:48,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:13:48,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:13:48,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:13:48,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:13:48,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:13:48,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:13:48,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:13:48,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... [2019-11-15 22:13:48,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:13:48,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:13:48,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:13:48,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:13:48,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 22:13:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:13:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 22:13:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:13:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:13:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:13:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:13:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:13:49,160 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:13:49,160 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-15 22:13:49,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:13:49 BoogieIcfgContainer [2019-11-15 22:13:49,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:13:49,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:13:49,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:13:49,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:13:49,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:13:48" (1/3) ... [2019-11-15 22:13:49,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ef4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:13:49, skipping insertion in model container [2019-11-15 22:13:49,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:48" (2/3) ... [2019-11-15 22:13:49,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ef4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:13:49, skipping insertion in model container [2019-11-15 22:13:49,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:13:49" (3/3) ... [2019-11-15 22:13:49,189 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-15 22:13:49,202 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:13:49,220 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:13:49,236 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:13:49,270 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:13:49,270 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:13:49,270 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:13:49,270 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:13:49,270 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:13:49,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:13:49,271 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:13:49,271 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:13:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-15 22:13:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:13:49,301 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:13:49,302 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:13:49,308 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:13:49,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:13:49,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-15 22:13:49,324 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:13:49,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985904402] [2019-11-15 22:13:49,325 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:13:49,325 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:13:49,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:13:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:13:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:49,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985904402] [2019-11-15 22:13:49,489 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:13:49,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:13:49,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571019156] [2019-11-15 22:13:49,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:13:49,497 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:13:49,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:13:49,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:13:49,515 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-15 22:13:49,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:13:49,544 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-15 22:13:49,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:13:49,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 22:13:49,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:13:49,562 INFO L225 Difference]: With dead ends: 64 [2019-11-15 22:13:49,563 INFO L226 Difference]: Without dead ends: 30 [2019-11-15 22:13:49,570 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:13:49,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-15 22:13:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-15 22:13:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-15 22:13:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-15 22:13:49,614 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-15 22:13:49,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:13:49,614 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-15 22:13:49,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:13:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-15 22:13:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:13:49,616 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:13:49,616 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:13:49,617 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:13:49,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:13:49,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-15 22:13:49,617 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:13:49,618 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12784607] [2019-11-15 22:13:49,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:13:49,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:13:49,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:13:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:13:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:13:49,726 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:13:49,726 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:13:49,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:13:49 BoogieIcfgContainer [2019-11-15 22:13:49,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:13:49,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:13:49,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:13:49,760 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:13:49,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:13:49" (3/4) ... [2019-11-15 22:13:49,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:13:49,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:13:49,767 INFO L168 Benchmark]: Toolchain (without parser) took 1630.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:13:49,768 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. [2019-11-15 22:13:49,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:13:49,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.66 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. [2019-11-15 22:13:49,770 INFO L168 Benchmark]: Boogie Preprocessor took 83.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:13:49,771 INFO L168 Benchmark]: RCFGBuilder took 510.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:13:49,772 INFO L168 Benchmark]: TraceAbstraction took 596.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:13:49,772 INFO L168 Benchmark]: Witness Printer took 5.19 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. [2019-11-15 22:13:49,776 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 381.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 510.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 596.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.19 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: 0.4s, 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-cad4683 [2019-11-15 22:13:52,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:13:52,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:13:52,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:13:52,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:13:52,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:13:52,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:13:52,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:13:52,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:13:52,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:13:52,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:13:52,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:13:52,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:13:52,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:13:52,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:13:52,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:13:52,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:13:52,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:13:52,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:13:52,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:13:52,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:13:52,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:13:52,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:13:52,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:13:52,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:13:52,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:13:52,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:13:52,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:13:52,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:13:52,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:13:52,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:13:52,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:13:52,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:13:52,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:13:52,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:13:52,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:13:52,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:13:52,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:13:52,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:13:52,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:13:52,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:13:52,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:13:52,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:13:52,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:13:52,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:13:52,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:13:52,515 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:13:52,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:13:52,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:13:52,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:13:52,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:13:52,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:13:52,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:13:52,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:13:52,517 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:13:52,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:13:52,518 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:13:52,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:13:52,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:13:52,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:13:52,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:13:52,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:13:52,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:13:52,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:13:52,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:13:52,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:13:52,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:13:52,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:13:52,521 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:13:52,521 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:13:52,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:13:52,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:13:52,522 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_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:52,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:13:52,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:13:52,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:13:52,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:13:52,577 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:13:52,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-15 22:13:52,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/bdfcb20d5/f9f33755408047b790ced4b71d9921c7/FLAGfd7ddf52c [2019-11-15 22:13:53,115 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:13:53,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-15 22:13:53,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/bdfcb20d5/f9f33755408047b790ced4b71d9921c7/FLAGfd7ddf52c [2019-11-15 22:13:53,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/bin/uautomizer/data/bdfcb20d5/f9f33755408047b790ced4b71d9921c7 [2019-11-15 22:13:53,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:13:53,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:13:53,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:13:53,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:13:53,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:13:53,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:53,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d93363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53, skipping insertion in model container [2019-11-15 22:13:53,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:53,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:13:53,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:13:53,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:13:53,836 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:13:53,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:13:53,989 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:13:53,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53 WrapperNode [2019-11-15 22:13:53,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:13:53,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:13:53,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:13:53,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:13:54,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:13:54,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:13:54,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:13:54,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:13:54,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... [2019-11-15 22:13:54,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:13:54,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:13:54,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:13:54,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:13:54,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 22:13:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:13:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 22:13:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:13:54,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:13:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:13:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:13:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:13:55,565 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:13:55,565 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-15 22:13:55,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:13:55 BoogieIcfgContainer [2019-11-15 22:13:55,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:13:55,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:13:55,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:13:55,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:13:55,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:13:53" (1/3) ... [2019-11-15 22:13:55,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aee032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:13:55, skipping insertion in model container [2019-11-15 22:13:55,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:53" (2/3) ... [2019-11-15 22:13:55,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aee032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:13:55, skipping insertion in model container [2019-11-15 22:13:55,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:13:55" (3/3) ... [2019-11-15 22:13:55,577 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-15 22:13:55,587 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:13:55,595 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:13:55,608 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:13:55,634 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:13:55,635 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:13:55,635 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:13:55,635 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:13:55,636 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:13:55,636 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:13:55,636 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:13:55,636 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:13:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-15 22:13:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:13:55,660 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:13:55,662 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:13:55,664 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:13:55,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:13:55,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-15 22:13:55,682 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:13:55,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231738373] [2019-11-15 22:13:55,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:13:55,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 22:13:55,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:13:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:55,783 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:13:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:55,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231738373] [2019-11-15 22:13:55,790 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:13:55,790 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 22:13:55,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105523062] [2019-11-15 22:13:55,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:13:55,796 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:13:55,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:13:55,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:13:55,814 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-15 22:13:55,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:13:55,836 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-15 22:13:55,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:13:55,838 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 22:13:55,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:13:55,851 INFO L225 Difference]: With dead ends: 64 [2019-11-15 22:13:55,851 INFO L226 Difference]: Without dead ends: 30 [2019-11-15 22:13:55,854 INFO L600 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 [2019-11-15 22:13:55,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-15 22:13:55,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-15 22:13:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-15 22:13:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-15 22:13:55,897 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-15 22:13:55,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:13:55,897 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-15 22:13:55,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:13:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-15 22:13:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:13:55,899 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:13:55,899 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:13:56,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 22:13:56,120 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:13:56,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:13:56,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-15 22:13:56,121 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:13:56,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284554009] [2019-11-15 22:13:56,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:13:56,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 22:13:56,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:13:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:56,309 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:13:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:56,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284554009] [2019-11-15 22:13:56,432 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:13:56,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 22:13:56,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947775955] [2019-11-15 22:13:56,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:13:56,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:13:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:13:56,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:13:56,435 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-11-15 22:13:56,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:13:56,909 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-11-15 22:13:56,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:13:56,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-15 22:13:56,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:13:56,912 INFO L225 Difference]: With dead ends: 37 [2019-11-15 22:13:56,912 INFO L226 Difference]: Without dead ends: 16 [2019-11-15 22:13:56,913 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:13:56,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-15 22:13:56,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-15 22:13:56,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-15 22:13:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-15 22:13:56,916 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-11-15 22:13:56,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:13:56,917 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-15 22:13:56,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:13:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-15 22:13:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 22:13:56,918 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:13:56,918 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:13:57,127 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 22:13:57,128 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:13:57,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:13:57,128 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-11-15 22:13:57,129 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:13:57,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810954381] [2019-11-15 22:13:57,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:13:57,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 22:13:57,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:13:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:57,418 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:13:58,263 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-15 22:13:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:58,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810954381] [2019-11-15 22:13:58,568 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:13:58,568 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-15 22:13:58,568 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836453773] [2019-11-15 22:13:58,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:13:58,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:13:58,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:13:58,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:13:58,570 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-11-15 22:13:59,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:13:59,069 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-15 22:13:59,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:13:59,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-15 22:13:59,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:13:59,079 INFO L225 Difference]: With dead ends: 23 [2019-11-15 22:13:59,079 INFO L226 Difference]: Without dead ends: 16 [2019-11-15 22:13:59,079 INFO L600 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 [2019-11-15 22:13:59,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-15 22:13:59,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-15 22:13:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-15 22:13:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-15 22:13:59,083 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-15 22:13:59,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:13:59,084 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-15 22:13:59,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:13:59,084 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-15 22:13:59,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 22:13:59,085 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:13:59,085 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:13:59,291 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 22:13:59,292 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:13:59,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:13:59,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-11-15 22:13:59,293 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:13:59,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778408614] [2019-11-15 22:13:59,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5881f76-3fe5-42e8-a637-3c202ce03834/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 [2019-11-15 22:13:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:13:59,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 22:13:59,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:13:59,546 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-15 22:13:59,552 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:13:59,556 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:13:59,556 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:13:59,566 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:13:59,566 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:13:59,566 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-11-15 22:13:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:59,682 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:13:59,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-15 22:13:59,795 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:13:59,804 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:13:59,804 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:13:59,809 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:13:59,810 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:13:59,810 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-15 22:13:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:13:59,909 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778408614] [2019-11-15 22:13:59,909 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:13:59,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-15 22:13:59,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029284837] [2019-11-15 22:13:59,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:13:59,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:13:59,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:13:59,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:13:59,911 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-11-15 22:14:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:14:00,271 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-15 22:14:00,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:14:00,272 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-15 22:14:00,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:14:00,272 INFO L225 Difference]: With dead ends: 16 [2019-11-15 22:14:00,272 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:14:00,273 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:14:00,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:14:00,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:14:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:14:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:14:00,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-15 22:14:00,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:14:00,274 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:14:00,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:14:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:14:00,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:14:00,475 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 22:14:00,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:14:00,678 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-11-15 22:14:00,713 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-15 22:14:00,714 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-15 22:14:00,715 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-11-15 22:14:00,715 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-11-15 22:14:00,715 INFO L443 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-11-15 22:14:00,715 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-15 22:14:00,715 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-11-15 22:14:00,715 INFO L443 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-11-15 22:14:00,716 INFO L439 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x (let ((.cse0 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) [2019-11-15 22:14:00,716 INFO L443 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-15 22:14:00,716 INFO L439 ceAbstractionStarter]: At program point L80(lines 19 81) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_ceil_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_ceil_double_~i0~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-11-15 22:14:00,716 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-11-15 22:14:00,717 INFO L443 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-15 22:14:00,717 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:14:00,717 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-11-15 22:14:00,717 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-11-15 22:14:00,717 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-11-15 22:14:00,718 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-15 22:14:00,718 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-11-15 22:14:00,718 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:14:00,718 INFO L443 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-15 22:14:00,718 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-11-15 22:14:00,718 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-15 22:14:00,719 INFO L446 ceAbstractionStarter]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-11-15 22:14:00,719 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-11-15 22:14:00,719 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-15 22:14:00,723 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:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:14:00,727 INFO L168 Benchmark]: Toolchain (without parser) took 7187.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 952.3 MB in the beginning and 962.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 132.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:14:00,728 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:14:00,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:14:00,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.04 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. [2019-11-15 22:14:00,729 INFO L168 Benchmark]: Boogie Preprocessor took 53.03 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. [2019-11-15 22:14:00,730 INFO L168 Benchmark]: RCFGBuilder took 1470.19 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:14:00,731 INFO L168 Benchmark]: TraceAbstraction took 5156.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 141.9 MB). Peak memory consumption was 141.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:14:00,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1470.19 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5156.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 141.9 MB). Peak memory consumption was 141.9 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...