./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 ............................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-5485861 [2020-10-25 21:52:53,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:52:53,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:52:53,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:52:53,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:52:53,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:52:53,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:52:53,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:52:53,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:52:53,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:52:53,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:52:53,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:52:53,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:52:53,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:52:53,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:52:53,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:52:53,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:52:53,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:52:53,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:52:53,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:52:53,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:52:53,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:52:53,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:52:53,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:52:53,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:52:53,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:52:53,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:52:53,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:52:53,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:52:53,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:52:53,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:52:53,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:52:53,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:52:53,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:52:53,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:52:53,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:52:53,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:52:53,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:52:53,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:52:53,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:52:53,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:52:53,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:52:53,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:52:53,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:52:53,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:52:53,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:52:53,903 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:52:53,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:52:53,904 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:52:53,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:52:53,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:52:53,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:52:53,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:52:53,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:52:53,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:52:53,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:52:53,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:52:53,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:52:53,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:52:53,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:52:53,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:52:53,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:52:53,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:52:53,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:52:53,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:52:53,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:52:53,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:52:53,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:52:53,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:52:53,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:52:53,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:52:53,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 [2020-10-25 21:52:54,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:52:54,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:52:54,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:52:54,363 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:52:54,364 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:52:54,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-25 21:52:54,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739a4346f/26003477991b410a88139d17e21853b1/FLAGc3be36e92 [2020-10-25 21:52:55,130 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:52:55,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-25 21:52:55,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739a4346f/26003477991b410a88139d17e21853b1/FLAGc3be36e92 [2020-10-25 21:52:55,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739a4346f/26003477991b410a88139d17e21853b1 [2020-10-25 21:52:55,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:52:55,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:52:55,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:52:55,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:52:55,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:52:55,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d35ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55, skipping insertion in model container [2020-10-25 21:52:55,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:52:55,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:52:55,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:52:55,803 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:52:55,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:52:55,857 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:52:55,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55 WrapperNode [2020-10-25 21:52:55,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:52:55,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:52:55,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:52:55,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:52:55,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:52:55,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:52:55,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:52:55,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:52:55,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... [2020-10-25 21:52:55,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:52:55,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:52:55,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:52:55,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:52:55,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 21:52:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:52:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:52:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:52:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:52:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:52:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:52:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:52:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:52:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:52:56,723 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:52:56,724 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-25 21:52:56,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:52:56 BoogieIcfgContainer [2020-10-25 21:52:56,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:52:56,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:52:56,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:52:56,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:52:56,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:52:55" (1/3) ... [2020-10-25 21:52:56,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156a9b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:52:56, skipping insertion in model container [2020-10-25 21:52:56,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:55" (2/3) ... [2020-10-25 21:52:56,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156a9b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:52:56, skipping insertion in model container [2020-10-25 21:52:56,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:52:56" (3/3) ... [2020-10-25 21:52:56,735 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2020-10-25 21:52:56,747 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:52:56,752 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:52:56,765 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:52:56,795 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:52:56,795 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:52:56,795 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:52:56,796 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:52:56,796 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:52:56,796 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:52:56,796 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:52:56,797 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:52:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-25 21:52:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:52:56,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:52:56,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:52:56,818 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:52:56,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:52:56,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-10-25 21:52:56,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:52:56,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048646491] [2020-10-25 21:52:56,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:52:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:52:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:52:56,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048646491] [2020-10-25 21:52:56,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:52:56,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:52:56,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115047240] [2020-10-25 21:52:56,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:52:56,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:52:57,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:52:57,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:52:57,009 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-10-25 21:52:57,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:52:57,030 INFO L93 Difference]: Finished difference Result 59 states and 89 transitions. [2020-10-25 21:52:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:52:57,032 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:52:57,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:52:57,043 INFO L225 Difference]: With dead ends: 59 [2020-10-25 21:52:57,044 INFO L226 Difference]: Without dead ends: 27 [2020-10-25 21:52:57,047 INFO L677 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 [2020-10-25 21:52:57,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-25 21:52:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-25 21:52:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-25 21:52:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-25 21:52:57,095 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-10-25 21:52:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:52:57,095 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-25 21:52:57,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:52:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-10-25 21:52:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:52:57,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:52:57,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:52:57,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:52:57,098 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:52:57,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:52:57,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-10-25 21:52:57,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:52:57,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198094868] [2020-10-25 21:52:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:52:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:52:57,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:52:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:52:57,183 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:52:57,235 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:52:57,236 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:52:57,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:52:57,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:52:57 BoogieIcfgContainer [2020-10-25 21:52:57,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:52:57,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:52:57,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:52:57,281 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:52:57,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:52:56" (3/4) ... [2020-10-25 21:52:57,285 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:52:57,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:52:57,293 INFO L168 Benchmark]: Toolchain (without parser) took 1774.44 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 41.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:57,294 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.1 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:52:57,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.77 ms. Allocated memory is still 54.5 MB. Free memory was 30.7 MB in the beginning and 33.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:57,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.45 ms. Allocated memory is still 54.5 MB. Free memory was 33.1 MB in the beginning and 31.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:57,298 INFO L168 Benchmark]: Boogie Preprocessor took 37.80 ms. Allocated memory is still 54.5 MB. Free memory was 31.3 MB in the beginning and 29.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:52:57,300 INFO L168 Benchmark]: RCFGBuilder took 779.77 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 37.5 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:57,302 INFO L168 Benchmark]: TraceAbstraction took 552.21 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.0 MB in the beginning and 41.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:57,304 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 67.1 MB. Free memory was 41.6 MB in the beginning and 41.2 MB in the end (delta: 363.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:57,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.1 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.77 ms. Allocated memory is still 54.5 MB. Free memory was 30.7 MB in the beginning and 33.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.45 ms. Allocated memory is still 54.5 MB. Free memory was 33.1 MB in the beginning and 31.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.80 ms. Allocated memory is still 54.5 MB. Free memory was 31.3 MB in the beginning and 29.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 779.77 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 37.5 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 552.21 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.0 MB in the beginning and 41.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.30 ms. Allocated memory is still 67.1 MB. Free memory was 41.6 MB in the beginning and 41.2 MB in the end (delta: 363.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of shiftRight at line 36, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L88] double x = 0.0; [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L29] COND TRUE exponent_less_1023 < 20 [L30] COND FALSE !(exponent_less_1023 < 0) [L36] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L37] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L38] return x; [L89] double res = round_double(x); [L92] EXPR res == 0.0 && __signbit_double(res) == 0 [L92] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1032a.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 38 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-5485861 [2020-10-25 21:52:59,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:52:59,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:52:59,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:52:59,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:52:59,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:52:59,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:52:59,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:52:59,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:52:59,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:52:59,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:52:59,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:52:59,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:52:59,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:52:59,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:52:59,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:52:59,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:52:59,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:52:59,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:52:59,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:52:59,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:52:59,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:52:59,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:52:59,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:52:59,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:52:59,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:52:59,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:52:59,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:52:59,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:52:59,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:52:59,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:52:59,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:52:59,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:52:59,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:52:59,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:52:59,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:52:59,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:52:59,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:52:59,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:52:59,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:52:59,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:52:59,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:52:59,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:52:59,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:52:59,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:52:59,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:52:59,951 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:52:59,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:52:59,952 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:52:59,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:52:59,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:52:59,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:52:59,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:52:59,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:52:59,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:52:59,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:52:59,954 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:52:59,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:52:59,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:52:59,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:52:59,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:52:59,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:52:59,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:52:59,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:52:59,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:52:59,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:52:59,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:52:59,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:52:59,957 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:52:59,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:52:59,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:52:59,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:52:59,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:52:59,959 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 [2020-10-25 21:53:00,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:53:00,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:53:00,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:53:00,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:53:00,408 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:53:00,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-25 21:53:00,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28740e6d1/d65a286897164e5ab252d9ae1d7c6ce5/FLAG0301434d8 [2020-10-25 21:53:01,153 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:53:01,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-25 21:53:01,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28740e6d1/d65a286897164e5ab252d9ae1d7c6ce5/FLAG0301434d8 [2020-10-25 21:53:01,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28740e6d1/d65a286897164e5ab252d9ae1d7c6ce5 [2020-10-25 21:53:01,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:53:01,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:53:01,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:53:01,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:53:01,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:53:01,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:01,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9f211c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01, skipping insertion in model container [2020-10-25 21:53:01,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:01,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:53:01,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:53:01,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:53:01,806 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:53:01,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:53:01,910 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:53:01,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01 WrapperNode [2020-10-25 21:53:01,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:53:01,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:53:01,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:53:01,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:53:01,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:01,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:01,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:53:01,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:53:01,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:53:02,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:53:02,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:02,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:02,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:02,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:02,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:02,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:02,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... [2020-10-25 21:53:02,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:53:02,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:53:02,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:53:02,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:53:02,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 21:53:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:53:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:53:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:53:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:53:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:53:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:53:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:53:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:53:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:53:02,695 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:53:02,696 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-25 21:53:02,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:02 BoogieIcfgContainer [2020-10-25 21:53:02,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:53:02,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:53:02,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:53:02,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:53:02,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:53:01" (1/3) ... [2020-10-25 21:53:02,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6401fd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:02, skipping insertion in model container [2020-10-25 21:53:02,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:01" (2/3) ... [2020-10-25 21:53:02,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6401fd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:02, skipping insertion in model container [2020-10-25 21:53:02,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:02" (3/3) ... [2020-10-25 21:53:02,709 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2020-10-25 21:53:02,723 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:53:02,729 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:53:02,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:53:02,794 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:53:02,796 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:53:02,796 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:53:02,796 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:53:02,799 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:53:02,799 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:53:02,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:53:02,800 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:53:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-25 21:53:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:53:02,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:02,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:02,839 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:02,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:02,855 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-10-25 21:53:02,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:02,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436860832] [2020-10-25 21:53:02,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 21:53:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:03,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:53:03,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:03,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:03,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436860832] [2020-10-25 21:53:03,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:03,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:53:03,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625709700] [2020-10-25 21:53:03,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:53:03,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:03,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:53:03,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:53:03,117 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-10-25 21:53:03,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:03,142 INFO L93 Difference]: Finished difference Result 59 states and 89 transitions. [2020-10-25 21:53:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:53:03,144 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:53:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:03,157 INFO L225 Difference]: With dead ends: 59 [2020-10-25 21:53:03,157 INFO L226 Difference]: Without dead ends: 27 [2020-10-25 21:53:03,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:53:03,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-25 21:53:03,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-25 21:53:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-25 21:53:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-25 21:53:03,205 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-10-25 21:53:03,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:03,206 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-25 21:53:03,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:53:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-10-25 21:53:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:53:03,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:03,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:03,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:53:03,427 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:03,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:03,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-10-25 21:53:03,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:03,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761238058] [2020-10-25 21:53:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 21:53:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:03,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-25 21:53:03,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:03,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:03,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761238058] [2020-10-25 21:53:03,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:03,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-25 21:53:03,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174305927] [2020-10-25 21:53:03,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 21:53:03,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:03,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 21:53:03,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 21:53:03,735 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2020-10-25 21:53:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:03,966 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-10-25 21:53:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 21:53:03,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-25 21:53:03,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:03,968 INFO L225 Difference]: With dead ends: 40 [2020-10-25 21:53:03,969 INFO L226 Difference]: Without dead ends: 21 [2020-10-25 21:53:03,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-25 21:53:03,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-25 21:53:03,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-25 21:53:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-25 21:53:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-25 21:53:03,976 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2020-10-25 21:53:03,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:03,977 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-25 21:53:03,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 21:53:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-25 21:53:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 21:53:03,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:03,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:04,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:53:04,193 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:04,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:04,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2020-10-25 21:53:04,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:04,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224003459] [2020-10-25 21:53:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 21:53:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:04,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-25 21:53:04,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:04,354 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2020-10-25 21:53:04,364 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:04,369 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:04,370 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:04,373 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:04,373 INFO L545 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. [2020-10-25 21:53:04,374 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-10-25 21:53:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:04,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:04,502 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-10-25 21:53:04,507 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:04,515 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:04,515 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:04,519 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:04,521 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:04,521 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-25 21:53:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:04,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224003459] [2020-10-25 21:53:04,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:04,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-10-25 21:53:04,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945434318] [2020-10-25 21:53:04,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-25 21:53:04,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:04,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-25 21:53:04,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-25 21:53:04,577 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2020-10-25 21:53:04,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:04,969 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-10-25 21:53:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 21:53:04,970 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2020-10-25 21:53:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:04,971 INFO L225 Difference]: With dead ends: 24 [2020-10-25 21:53:04,971 INFO L226 Difference]: Without dead ends: 21 [2020-10-25 21:53:04,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-25 21:53:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-25 21:53:04,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-25 21:53:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-25 21:53:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-10-25 21:53:04,977 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-10-25 21:53:04,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:04,978 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-10-25 21:53:04,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-25 21:53:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-10-25 21:53:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 21:53:04,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:04,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:05,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 21:53:05,181 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:05,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:05,182 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2020-10-25 21:53:05,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:05,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244356850] [2020-10-25 21:53:05,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-25 21:53:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:05,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2020-10-25 21:53:05,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:05,422 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2020-10-25 21:53:05,428 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:05,432 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:05,433 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:05,444 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:05,445 INFO L545 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. [2020-10-25 21:53:05,448 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:58, output treesize:28 [2020-10-25 21:53:05,664 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 21:53:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:05,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:06,065 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2020-10-25 21:53:06,081 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:06,085 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:06,085 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:06,095 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:06,097 INFO L545 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. [2020-10-25 21:53:06,097 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2020-10-25 21:53:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:08,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244356850] [2020-10-25 21:53:08,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:08,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-10-25 21:53:08,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751506883] [2020-10-25 21:53:08,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-25 21:53:08,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:08,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-25 21:53:08,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2020-10-25 21:53:08,565 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2020-10-25 21:53:09,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:09,528 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-10-25 21:53:09,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 21:53:09,529 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2020-10-25 21:53:09,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:09,530 INFO L225 Difference]: With dead ends: 21 [2020-10-25 21:53:09,530 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 21:53:09,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=140, Invalid=459, Unknown=1, NotChecked=0, Total=600 [2020-10-25 21:53:09,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 21:53:09,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 21:53:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 21:53:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 21:53:09,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-25 21:53:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:09,532 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 21:53:09,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-25 21:53:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 21:53:09,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 21:53:09,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-25 21:53:09,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 21:53:10,044 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2020-10-25 21:53:10,191 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-10-25 21:53:10,444 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-25 21:53:10,466 INFO L277 CegarLoopResult]: At program point L97(lines 80 98) the Hoare annotation is: true [2020-10-25 21:53:10,467 INFO L270 CegarLoopResult]: At program point L77(lines 68 78) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (= (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (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)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_round_double_~x) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse2 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (fp.eq (let ((.cse3 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) (_ +zero 11 53)) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))) (= |ULTIMATE.start_round_double_#res| (let ((.cse4 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (let ((.cse5 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse6 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) ULTIMATE.start_main_~res~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)))))) [2020-10-25 21:53:10,467 INFO L274 CegarLoopResult]: For program point L44(lines 44 47) no Hoare annotation was computed. [2020-10-25 21:53:10,469 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 21:53:10,469 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 21:53:10,469 INFO L270 CegarLoopResult]: At program point L65(lines 19 66) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (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)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_round_double_~x) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (fp.eq (let ((.cse1 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))) (= |ULTIMATE.start_round_double_#res| (let ((.cse2 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (let ((.cse3 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53))) [2020-10-25 21:53:10,469 INFO L274 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-10-25 21:53:10,469 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 21:53:10,469 INFO L274 CegarLoopResult]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point L29(lines 29 58) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-10-25 21:53:10,470 INFO L274 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-10-25 21:53:10,472 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (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)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_round_double_~x) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))) (= |ULTIMATE.start_round_double_#res| (let ((.cse3 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (let ((.cse4 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse5 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) ULTIMATE.start_main_~res~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)))))) [2020-10-25 21:53:10,472 INFO L274 CegarLoopResult]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2020-10-25 21:53:10,472 INFO L274 CegarLoopResult]: For program point L30(lines 30 42) no Hoare annotation was computed. [2020-10-25 21:53:10,472 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 21:53:10,472 INFO L274 CegarLoopResult]: For program point L59(lines 59 64) no Hoare annotation was computed. [2020-10-25 21:53:10,473 INFO L274 CegarLoopResult]: For program point L59-1(lines 19 66) no Hoare annotation was computed. [2020-10-25 21:53:10,473 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 95) no Hoare annotation was computed. [2020-10-25 21:53:10,473 INFO L274 CegarLoopResult]: For program point L59-2(lines 59 64) no Hoare annotation was computed. [2020-10-25 21:53:10,473 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2020-10-25 21:53:10,473 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (= (_ +zero 11 53) ULTIMATE.start_round_double_~x) [2020-10-25 21:53:10,473 INFO L274 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2020-10-25 21:53:10,473 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-25 21:53:10,474 INFO L274 CegarLoopResult]: For program point L43(lines 43 58) no Hoare annotation was computed. [2020-10-25 21:53:10,481 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:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-25 21:53:10,485 INFO L168 Benchmark]: Toolchain (without parser) took 8946.68 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 27.4 MB in the beginning and 27.8 MB in the end (delta: -348.4 kB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:10,486 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 50.3 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:10,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.17 ms. Allocated memory is still 50.3 MB. Free memory was 26.9 MB in the beginning and 28.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:10,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.70 ms. Allocated memory is still 50.3 MB. Free memory was 28.5 MB in the beginning and 26.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:10,488 INFO L168 Benchmark]: Boogie Preprocessor took 76.74 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 25.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:10,489 INFO L168 Benchmark]: RCFGBuilder took 621.13 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 25.0 MB in the beginning and 32.4 MB in the end (delta: -7.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:10,490 INFO L168 Benchmark]: TraceAbstraction took 7783.98 ms. Allocated memory is still 65.0 MB. Free memory was 32.1 MB in the beginning and 27.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:10,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 50.3 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.17 ms. Allocated memory is still 50.3 MB. Free memory was 26.9 MB in the beginning and 28.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.70 ms. Allocated memory is still 50.3 MB. Free memory was 28.5 MB in the beginning and 26.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.74 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 25.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 621.13 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 25.0 MB in the beginning and 32.4 MB in the end (delta: -7.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7783.98 ms. Allocated memory is still 65.0 MB. Free memory was 32.1 MB in the beginning and 27.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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...