./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/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 dbef25694faa90ff4d63502c2f243449da0e6c28 ............................................................................................................................................................................................................................................................................. 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_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/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 dbef25694faa90ff4d63502c2f243449da0e6c28 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:38:14,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:38:14,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:38:14,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:38:14,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:38:14,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:38:14,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:38:14,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:38:14,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:38:14,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:38:14,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:38:14,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:38:14,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:38:14,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:38:14,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:38:14,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:38:14,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:38:14,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:38:14,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:38:14,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:38:14,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:38:14,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:38:14,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:38:14,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:38:14,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:38:14,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:38:14,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:38:14,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:38:14,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:38:14,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:38:14,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:38:14,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:38:14,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:38:14,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:38:14,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:38:14,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:38:14,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:38:14,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:38:14,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:38:14,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:38:14,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:38:14,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:38:14,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:38:14,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:38:14,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:38:14,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:38:14,149 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:38:14,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:38:14,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:38:14,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:38:14,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:38:14,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:38:14,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:38:14,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:38:14,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:38:14,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:38:14,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:38:14,152 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:38:14,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:38:14,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:38:14,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:38:14,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:38:14,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:38:14,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:38:14,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:38:14,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:38:14,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:38:14,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:38:14,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:38:14,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:38:14,156 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_165e9591-0d51-4fef-8852-ee5237eb6a52/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 -> dbef25694faa90ff4d63502c2f243449da0e6c28 [2019-11-20 10:38:14,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:38:14,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:38:14,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:38:14,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:38:14,312 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:38:14,313 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-11-20 10:38:14,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/85f3cc27b/f997e95777d74b908701061f0dd103df/FLAG75a3a120a [2019-11-20 10:38:14,770 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:38:14,770 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-11-20 10:38:14,777 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/85f3cc27b/f997e95777d74b908701061f0dd103df/FLAG75a3a120a [2019-11-20 10:38:15,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/85f3cc27b/f997e95777d74b908701061f0dd103df [2019-11-20 10:38:15,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:38:15,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:38:15,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:38:15,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:38:15,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:38:15,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b91ef6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15, skipping insertion in model container [2019-11-20 10:38:15,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:38:15,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:38:15,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:38:15,519 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:38:15,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:38:15,566 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:38:15,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15 WrapperNode [2019-11-20 10:38:15,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:38:15,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:38:15,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:38:15,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:38:15,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:38:15,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:38:15,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:38:15,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:38:15,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... [2019-11-20 10:38:15,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:38:15,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:38:15,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:38:15,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:38:15,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/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 [2019-11-20 10:38:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 10:38:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:38:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 10:38:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:38:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:38:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:38:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:38:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:38:15,959 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:38:15,960 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 10:38:15,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:15 BoogieIcfgContainer [2019-11-20 10:38:15,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:38:15,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:38:15,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:38:15,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:38:15,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:38:15" (1/3) ... [2019-11-20 10:38:15,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0eb7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:15, skipping insertion in model container [2019-11-20 10:38:15,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:15" (2/3) ... [2019-11-20 10:38:15,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0eb7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:15, skipping insertion in model container [2019-11-20 10:38:15,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:15" (3/3) ... [2019-11-20 10:38:15,972 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2019-11-20 10:38:15,983 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:38:15,990 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:38:16,005 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:38:16,044 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:38:16,044 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:38:16,044 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:38:16,045 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:38:16,045 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:38:16,045 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:38:16,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:38:16,045 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:38:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-20 10:38:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:38:16,096 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:38:16,097 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:38:16,098 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:38:16,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:38:16,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-11-20 10:38:16,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:38:16,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358667255] [2019-11-20 10:38:16,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:38:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:16,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358667255] [2019-11-20 10:38:16,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:38:16,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:38:16,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504137434] [2019-11-20 10:38:16,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:38:16,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:38:16,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:38:16,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:38:16,242 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-20 10:38:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:38:16,256 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-11-20 10:38:16,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:38:16,258 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 10:38:16,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:38:16,265 INFO L225 Difference]: With dead ends: 36 [2019-11-20 10:38:16,265 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 10:38:16,268 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:38:16,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 10:38:16,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 10:38:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 10:38:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-20 10:38:16,297 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-11-20 10:38:16,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:38:16,297 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-20 10:38:16,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:38:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-20 10:38:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:38:16,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:38:16,298 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:38:16,298 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:38:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:38:16,299 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-11-20 10:38:16,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:38:16,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156771339] [2019-11-20 10:38:16,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:38:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:38:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:38:16,401 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:38:16,401 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:38:16,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:38:16 BoogieIcfgContainer [2019-11-20 10:38:16,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:38:16,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:38:16,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:38:16,429 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:38:16,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:15" (3/4) ... [2019-11-20 10:38:16,433 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:38:16,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:38:16,435 INFO L168 Benchmark]: Toolchain (without parser) took 1237.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:16,436 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:38:16,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:16,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.65 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. [2019-11-20 10:38:16,438 INFO L168 Benchmark]: Boogie Preprocessor took 24.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:16,439 INFO L168 Benchmark]: RCFGBuilder took 333.70 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:16,440 INFO L168 Benchmark]: TraceAbstraction took 463.48 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:16,440 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:38:16,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.65 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 24.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 333.70 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 463.48 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 52]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L47] double x = -0.0; [L26] __uint32_t high; [L28] ieee_double_shape_type gh_u; [L29] gh_u.value = (x) [L30] EXPR gh_u.parts.msw [L30] (high) = gh_u.parts.msw [L33] ieee_double_shape_type sh_u; [L34] sh_u.value = (x) [L35] sh_u.parts.msw = (high & 0x7fffffff) [L36] EXPR sh_u.value [L36] (x) = sh_u.value [L38] return x; [L48] double res = fabs_double(x); [L51] EXPR res == 0.0 && __signbit_double(res) == 0 [L51] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L52] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 19 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=19occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 10:38:18,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:38:18,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:38:18,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:38:18,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:38:18,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:38:18,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:38:18,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:38:18,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:38:18,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:38:18,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:38:18,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:38:18,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:38:18,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:38:18,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:38:18,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:38:18,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:38:18,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:38:18,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:38:18,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:38:18,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:38:18,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:38:18,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:38:18,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:38:18,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:38:18,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:38:18,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:38:18,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:38:18,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:38:18,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:38:18,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:38:18,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:38:18,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:38:18,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:38:18,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:38:18,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:38:18,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:38:18,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:38:18,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:38:18,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:38:18,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:38:18,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 10:38:18,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:38:18,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:38:18,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:38:18,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:38:18,432 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:38:18,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:38:18,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:38:18,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:38:18,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:38:18,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:38:18,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:38:18,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:38:18,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 10:38:18,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 10:38:18,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:38:18,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:38:18,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:38:18,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:38:18,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:38:18,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:38:18,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:38:18,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:38:18,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:38:18,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:38:18,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:38:18,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:38:18,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 10:38:18,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 10:38:18,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:38:18,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:38:18,438 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_165e9591-0d51-4fef-8852-ee5237eb6a52/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 -> dbef25694faa90ff4d63502c2f243449da0e6c28 [2019-11-20 10:38:18,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:38:18,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:38:18,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:38:18,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:38:18,717 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:38:18,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-11-20 10:38:18,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/d2be3450c/864009ff7a63473abb227b329ffafa2a/FLAGa85f6daf5 [2019-11-20 10:38:19,156 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:38:19,156 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-11-20 10:38:19,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/d2be3450c/864009ff7a63473abb227b329ffafa2a/FLAGa85f6daf5 [2019-11-20 10:38:19,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/bin/uautomizer/data/d2be3450c/864009ff7a63473abb227b329ffafa2a [2019-11-20 10:38:19,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:38:19,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:38:19,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:38:19,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:38:19,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:38:19,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7118b674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19, skipping insertion in model container [2019-11-20 10:38:19,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,532 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:38:19,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:38:19,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:38:19,751 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:38:19,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:38:19,800 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:38:19,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19 WrapperNode [2019-11-20 10:38:19,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:38:19,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:38:19,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:38:19,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:38:19,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:38:19,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:38:19,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:38:19,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:38:19,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... [2019-11-20 10:38:19,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:38:19,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:38:19,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:38:19,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:38:19,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/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 [2019-11-20 10:38:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 10:38:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 10:38:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 10:38:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:38:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:38:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:38:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 10:38:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:38:20,292 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:38:20,292 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 10:38:20,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:20 BoogieIcfgContainer [2019-11-20 10:38:20,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:38:20,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:38:20,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:38:20,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:38:20,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:38:19" (1/3) ... [2019-11-20 10:38:20,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de0280e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:20, skipping insertion in model container [2019-11-20 10:38:20,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:19" (2/3) ... [2019-11-20 10:38:20,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de0280e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:20, skipping insertion in model container [2019-11-20 10:38:20,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:20" (3/3) ... [2019-11-20 10:38:20,307 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2019-11-20 10:38:20,316 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:38:20,324 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:38:20,331 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:38:20,350 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:38:20,350 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:38:20,350 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:38:20,350 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:38:20,350 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:38:20,351 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:38:20,351 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:38:20,351 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:38:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-20 10:38:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:38:20,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:38:20,370 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:38:20,370 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:38:20,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:38:20,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-11-20 10:38:20,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:38:20,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438527999] [2019-11-20 10:38:20,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/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 [2019-11-20 10:38:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:20,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 10:38:20,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:38:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:20,474 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:38:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:20,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438527999] [2019-11-20 10:38:20,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:38:20,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 10:38:20,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448489431] [2019-11-20 10:38:20,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:38:20,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:38:20,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:38:20,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:38:20,496 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-20 10:38:20,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:38:20,509 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-11-20 10:38:20,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:38:20,510 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 10:38:20,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:38:20,517 INFO L225 Difference]: With dead ends: 36 [2019-11-20 10:38:20,517 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 10:38:20,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:38:20,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 10:38:20,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 10:38:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 10:38:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-20 10:38:20,545 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-11-20 10:38:20,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:38:20,545 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-20 10:38:20,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:38:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-20 10:38:20,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:38:20,546 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:38:20,546 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:38:20,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 10:38:20,747 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:38:20,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:38:20,748 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-11-20 10:38:20,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:38:20,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36060347] [2019-11-20 10:38:20,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/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 [2019-11-20 10:38:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:20,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 10:38:20,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:38:20,942 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2019-11-20 10:38:20,950 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 10:38:20,954 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:20,955 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:38:20,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:20,968 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:20,969 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:92, output treesize:53 [2019-11-20 10:38:21,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:38:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:21,064 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:38:21,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:38:21,136 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2019-11-20 10:38:21,145 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 10:38:21,149 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:21,149 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:38:21,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:21,166 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:21,166 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2019-11-20 10:38:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:21,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36060347] [2019-11-20 10:38:21,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:38:21,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2019-11-20 10:38:21,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260073873] [2019-11-20 10:38:21,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 10:38:21,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:38:21,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 10:38:21,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:38:21,279 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 10 states. [2019-11-20 10:38:21,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:38:21,635 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-20 10:38:21,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:38:21,636 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-11-20 10:38:21,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:38:21,636 INFO L225 Difference]: With dead ends: 19 [2019-11-20 10:38:21,637 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 10:38:21,638 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-20 10:38:21,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 10:38:21,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 10:38:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 10:38:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-20 10:38:21,642 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2019-11-20 10:38:21,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:38:21,643 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-20 10:38:21,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 10:38:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-20 10:38:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:38:21,644 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:38:21,644 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:38:21,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 10:38:21,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:38:21,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:38:21,846 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2019-11-20 10:38:21,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:38:21,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067067734] [2019-11-20 10:38:21,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_165e9591-0d51-4fef-8852-ee5237eb6a52/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 [2019-11-20 10:38:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:21,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 10:38:21,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:38:21,982 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2019-11-20 10:38:21,996 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 30 treesize of output 24 [2019-11-20 10:38:21,997 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:22,002 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:22,002 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:22,017 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:22,018 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:22,018 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:35 [2019-11-20 10:38:22,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:38:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:22,337 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:38:22,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:38:22,586 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2019-11-20 10:38:22,591 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 28 [2019-11-20 10:38:22,591 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:22,594 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:22,595 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:22,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:38:22,611 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 10:38:22,611 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2019-11-20 10:38:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:22,767 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067067734] [2019-11-20 10:38:22,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:38:22,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-11-20 10:38:22,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605105816] [2019-11-20 10:38:22,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-20 10:38:22,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:38:22,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-20 10:38:22,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2019-11-20 10:38:22,769 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2019-11-20 10:38:23,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:38:23,393 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-20 10:38:23,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 10:38:23,394 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2019-11-20 10:38:23,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:38:23,395 INFO L225 Difference]: With dead ends: 16 [2019-11-20 10:38:23,395 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:38:23,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2019-11-20 10:38:23,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:38:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:38:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:38:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:38:23,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-20 10:38:23,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:38:23,397 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:38:23,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-20 10:38:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:38:23,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:38:23,610 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 10:38:23,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:38:23,832 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2019-11-20 10:38:24,054 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-11-20 10:38:24,063 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 27 31) no Hoare annotation was computed. [2019-11-20 10:38:24,063 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 31) the Hoare annotation is: (= ULTIMATE.start_fabs_double_~x (fp.neg (_ +zero 11 53))) [2019-11-20 10:38:24,063 INFO L447 ceAbstractionStarter]: At program point L56(lines 41 57) the Hoare annotation is: true [2019-11-20 10:38:24,063 INFO L440 ceAbstractionStarter]: At program point L23(lines 14 24) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse3 (fp.neg (_ +zero 11 53)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse4 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse5 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse5 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_fabs_double_~x (let ((.cse6 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))))))) [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point L32-1(lines 25 39) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:38:24,064 INFO L444 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-11-20 10:38:24,065 INFO L440 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (and (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse3 (fp.neg (_ +zero 11 53)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse4 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_fabs_double_~x (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))))))) [2019-11-20 10:38:24,065 INFO L444 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2019-11-20 10:38:24,065 INFO L440 ceAbstractionStarter]: At program point L38(lines 25 39) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= .cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse1 (fp.neg (_ +zero 11 53)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse2 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_fabs_double_~x (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))))) [2019-11-20 10:38:24,065 INFO L444 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-20 10:38:24,066 INFO L444 ceAbstractionStarter]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2019-11-20 10:38:24,069 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 10:38:24,073 INFO L168 Benchmark]: Toolchain (without parser) took 4561.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 960.4 MB in the beginning and 891.8 MB in the end (delta: 68.7 MB). Peak memory consumption was 206.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:24,073 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:38:24,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.07 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:24,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:24,075 INFO L168 Benchmark]: Boogie Preprocessor took 26.69 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. [2019-11-20 10:38:24,076 INFO L168 Benchmark]: RCFGBuilder took 373.72 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:24,076 INFO L168 Benchmark]: TraceAbstraction took 3777.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.8 MB in the end (delta: 215.5 MB). Peak memory consumption was 215.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:24,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.07 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.69 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 373.72 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3777.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.8 MB in the end (delta: 215.5 MB). Peak memory consumption was 215.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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...