./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34004772e6a1e54917776a817538fd6c8fd28f94 .................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34004772e6a1e54917776a817538fd6c8fd28f94 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:13:51,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:13:51,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:13:51,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:13:51,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:13:51,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:13:51,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:13:51,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:13:51,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:13:51,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:13:51,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:13:51,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:13:51,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:13:51,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:13:51,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:13:51,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:13:51,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:13:51,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:13:51,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:13:51,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:13:51,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:13:51,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:13:51,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:13:52,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:13:52,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:13:52,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:13:52,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:13:52,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:13:52,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:13:52,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:13:52,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:13:52,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:13:52,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:13:52,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:13:52,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:13:52,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:13:52,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:13:52,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:13:52,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:13:52,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:13:52,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:13:52,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:13:52,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:13:52,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:13:52,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:13:52,041 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:13:52,041 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:13:52,041 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:13:52,042 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:13:52,042 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:13:52,042 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:13:52,042 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:13:52,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:13:52,043 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:13:52,043 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:13:52,044 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:13:52,044 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:13:52,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:13:52,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:13:52,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:13:52,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:13:52,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:13:52,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:13:52,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:13:52,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:13:52,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:13:52,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:13:52,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:13:52,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:13:52,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:13:52,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:13:52,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:13:52,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:13:52,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:13:52,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:13:52,048 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:13:52,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:13:52,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:13:52,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:13:52,049 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-11-26 02:13:52,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:13:52,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:13:52,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:13:52,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:13:52,198 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:13:52,198 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-26 02:13:52,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/84c2dfce6/2e440476e3184e6698be60b440b92ec6/FLAG19397126f [2019-11-26 02:13:52,680 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:13:52,681 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-26 02:13:52,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/84c2dfce6/2e440476e3184e6698be60b440b92ec6/FLAG19397126f [2019-11-26 02:13:52,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/84c2dfce6/2e440476e3184e6698be60b440b92ec6 [2019-11-26 02:13:52,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:13:52,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:13:52,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:13:52,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:13:52,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:13:52,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:13:52" (1/1) ... [2019-11-26 02:13:52,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b5a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:52, skipping insertion in model container [2019-11-26 02:13:52,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:13:52" (1/1) ... [2019-11-26 02:13:52,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:13:52,756 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:13:53,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:13:53,048 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:13:53,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:13:53,110 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:13:53,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53 WrapperNode [2019-11-26 02:13:53,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:13:53,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:13:53,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:13:53,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:13:53,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:13:53,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:13:53,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:13:53,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:13:53,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... [2019-11-26 02:13:53,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:13:53,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:13:53,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:13:53,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:13:53,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:13:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:13:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:13:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-26 02:13:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-26 02:13:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:13:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:13:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:13:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-26 02:13:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:13:53,864 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:13:53,864 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-26 02:13:53,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:13:53 BoogieIcfgContainer [2019-11-26 02:13:53,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:13:53,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:13:53,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:13:53,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:13:53,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:13:52" (1/3) ... [2019-11-26 02:13:53,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e200fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:13:53, skipping insertion in model container [2019-11-26 02:13:53,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:53" (2/3) ... [2019-11-26 02:13:53,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e200fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:13:53, skipping insertion in model container [2019-11-26 02:13:53,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:13:53" (3/3) ... [2019-11-26 02:13:53,871 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-26 02:13:53,880 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:13:53,886 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:13:53,895 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:13:53,916 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:13:53,916 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:13:53,916 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:13:53,916 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:13:53,917 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:13:53,917 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:13:53,917 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:13:53,917 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:13:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-11-26 02:13:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:13:53,940 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:13:53,940 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:13:53,941 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:13:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:13:53,947 INFO L82 PathProgramCache]: Analyzing trace with hash -170597353, now seen corresponding path program 1 times [2019-11-26 02:13:53,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:13:53,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085287727] [2019-11-26 02:13:53,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:13:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:13:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:13:54,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085287727] [2019-11-26 02:13:54,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:13:54,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:13:54,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723294217] [2019-11-26 02:13:54,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:13:54,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:13:54,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:13:54,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:13:54,092 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-11-26 02:13:54,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:13:54,110 INFO L93 Difference]: Finished difference Result 71 states and 117 transitions. [2019-11-26 02:13:54,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:13:54,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-26 02:13:54,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:13:54,121 INFO L225 Difference]: With dead ends: 71 [2019-11-26 02:13:54,121 INFO L226 Difference]: Without dead ends: 34 [2019-11-26 02:13:54,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:13:54,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-26 02:13:54,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-11-26 02:13:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-26 02:13:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2019-11-26 02:13:54,156 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 11 [2019-11-26 02:13:54,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:13:54,156 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2019-11-26 02:13:54,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:13:54,157 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2019-11-26 02:13:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:13:54,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:13:54,158 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:13:54,158 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:13:54,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:13:54,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1427068651, now seen corresponding path program 1 times [2019-11-26 02:13:54,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:13:54,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295865112] [2019-11-26 02:13:54,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:13:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:13:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:13:54,426 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:13:54,427 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:13:54,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:13:54 BoogieIcfgContainer [2019-11-26 02:13:54,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:13:54,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:13:54,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:13:54,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:13:54,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:13:53" (3/4) ... [2019-11-26 02:13:54,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:13:54,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:13:54,493 INFO L168 Benchmark]: Toolchain (without parser) took 1781.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.5 MB in the beginning and 1.0 GB in the end (delta: -71.1 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:13:54,494 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:13:54,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:13:54,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:13:54,496 INFO L168 Benchmark]: Boogie Preprocessor took 47.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:13:54,497 INFO L168 Benchmark]: RCFGBuilder took 654.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:13:54,497 INFO L168 Benchmark]: TraceAbstraction took 620.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:13:54,498 INFO L168 Benchmark]: Witness Printer took 4.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:13:54,508 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 398.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 654.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 620.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L153] double x = 1.0 / 0.0; [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L57] COND TRUE hx >= 0x40862E42 VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] double res = __ieee754_exp(x); [L133] __int32_t hx, lx; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 44 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=36occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:13:56,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:13:56,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:13:56,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:13:56,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:13:56,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:13:56,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:13:56,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:13:56,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:13:56,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:13:56,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:13:56,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:13:56,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:13:56,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:13:56,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:13:56,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:13:56,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:13:56,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:13:56,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:13:56,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:13:56,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:13:56,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:13:56,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:13:56,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:13:56,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:13:56,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:13:56,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:13:56,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:13:56,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:13:56,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:13:56,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:13:56,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:13:56,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:13:56,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:13:56,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:13:56,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:13:56,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:13:56,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:13:56,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:13:56,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:13:56,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:13:56,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:13:56,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:13:56,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:13:56,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:13:56,322 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:13:56,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:13:56,323 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:13:56,323 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:13:56,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:13:56,324 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:13:56,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:13:56,324 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:13:56,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:13:56,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:13:56,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:13:56,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:13:56,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:13:56,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:13:56,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:13:56,326 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:13:56,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:13:56,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:13:56,327 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:13:56,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:13:56,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:13:56,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:13:56,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:13:56,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:13:56,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:13:56,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:13:56,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:13:56,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:13:56,329 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:13:56,329 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:13:56,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:13:56,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:13:56,329 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-11-26 02:13:56,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:13:56,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:13:56,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:13:56,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:13:56,600 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:13:56,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-26 02:13:56,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/5a1fc0234/1ba2257c0caf42d3beee53d39725763d/FLAG46b213a48 [2019-11-26 02:13:57,069 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:13:57,070 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-26 02:13:57,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/5a1fc0234/1ba2257c0caf42d3beee53d39725763d/FLAG46b213a48 [2019-11-26 02:13:57,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/data/5a1fc0234/1ba2257c0caf42d3beee53d39725763d [2019-11-26 02:13:57,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:13:57,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:13:57,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:13:57,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:13:57,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:13:57,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446ebf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57, skipping insertion in model container [2019-11-26 02:13:57,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:13:57,482 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:13:57,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:13:57,680 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:13:57,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:13:57,799 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:13:57,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57 WrapperNode [2019-11-26 02:13:57,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:13:57,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:13:57,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:13:57,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:13:57,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:13:57,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:13:57,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:13:57,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:13:57,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... [2019-11-26 02:13:57,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:13:57,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:13:57,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:13:57,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:13:57,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:13:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-26 02:13:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-26 02:13:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:13:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-26 02:13:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:13:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:13:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:13:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:13:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:14:09,886 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:14:09,886 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-26 02:14:09,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:09 BoogieIcfgContainer [2019-11-26 02:14:09,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:14:09,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:14:09,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:14:09,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:14:09,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:13:57" (1/3) ... [2019-11-26 02:14:09,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d250c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:14:09, skipping insertion in model container [2019-11-26 02:14:09,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:13:57" (2/3) ... [2019-11-26 02:14:09,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d250c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:14:09, skipping insertion in model container [2019-11-26 02:14:09,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:09" (3/3) ... [2019-11-26 02:14:09,894 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-26 02:14:09,903 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:14:09,910 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:14:09,919 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:14:09,943 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:14:09,944 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:14:09,944 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:14:09,944 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:14:09,944 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:14:09,944 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:14:09,944 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:14:09,944 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:14:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-11-26 02:14:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:14:09,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:14:09,961 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:14:09,962 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:14:09,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:14:09,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-11-26 02:14:09,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:14:09,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840068923] [2019-11-26 02:14:09,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 02:14:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:10,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-26 02:14:10,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:14:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:10,370 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:14:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:10,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840068923] [2019-11-26 02:14:10,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:14:10,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:14:10,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807901317] [2019-11-26 02:14:10,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:14:10,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:14:10,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:14:10,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:14:10,392 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-11-26 02:14:10,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:14:10,408 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-11-26 02:14:10,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:14:10,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-26 02:14:10,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:14:10,419 INFO L225 Difference]: With dead ends: 84 [2019-11-26 02:14:10,419 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:14:10,422 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:14:10,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:14:10,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:14:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:14:10,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-11-26 02:14:10,454 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-11-26 02:14:10,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:14:10,454 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-11-26 02:14:10,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:14:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-11-26 02:14:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:14:10,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:14:10,456 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:14:10,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:14:10,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:14:10,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:14:10,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-11-26 02:14:10,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:14:10,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658765207] [2019-11-26 02:14:10,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 02:14:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:11,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:14:11,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:14:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:11,174 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:14:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:11,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658765207] [2019-11-26 02:14:11,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:14:11,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-11-26 02:14:11,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171355682] [2019-11-26 02:14:11,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-26 02:14:11,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:14:11,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-26 02:14:11,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:14:11,277 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 7 states. [2019-11-26 02:14:11,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:14:11,449 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2019-11-26 02:14:11,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:14:11,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-26 02:14:11,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:14:11,453 INFO L225 Difference]: With dead ends: 48 [2019-11-26 02:14:11,453 INFO L226 Difference]: Without dead ends: 20 [2019-11-26 02:14:11,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:14:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-26 02:14:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-26 02:14:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-26 02:14:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-26 02:14:11,457 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2019-11-26 02:14:11,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:14:11,458 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-26 02:14:11,458 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-26 02:14:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-26 02:14:11,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:14:11,458 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:14:11,460 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:14:11,677 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:14:11,678 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:14:11,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:14:11,678 INFO L82 PathProgramCache]: Analyzing trace with hash 968811170, now seen corresponding path program 1 times [2019-11-26 02:14:11,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:14:11,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398057020] [2019-11-26 02:14:11,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 02:14:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:12,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 02:14:12,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:14:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:12,170 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:14:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:12,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398057020] [2019-11-26 02:14:12,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:14:12,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-26 02:14:12,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945905607] [2019-11-26 02:14:12,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:14:12,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:14:12,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:14:12,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:14:12,355 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2019-11-26 02:14:12,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:14:12,538 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-26 02:14:12,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:14:12,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-26 02:14:12,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:14:12,540 INFO L225 Difference]: With dead ends: 28 [2019-11-26 02:14:12,540 INFO L226 Difference]: Without dead ends: 20 [2019-11-26 02:14:12,541 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:14:12,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-26 02:14:12,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-26 02:14:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-26 02:14:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-26 02:14:12,545 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2019-11-26 02:14:12,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:14:12,546 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-26 02:14:12,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:14:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-26 02:14:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:14:12,547 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:14:12,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:14:12,750 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 02:14:12,751 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:14:12,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:14:12,751 INFO L82 PathProgramCache]: Analyzing trace with hash -2079354756, now seen corresponding path program 1 times [2019-11-26 02:14:12,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:14:12,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045208619] [2019-11-26 02:14:12,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b00d57f9-3a30-4faa-9a62-b78ff330cb21/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 02:14:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:13,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-26 02:14:13,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:14:13,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:14:13,150 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2019-11-26 02:14:13,173 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-26 02:14:13,173 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:14:13,186 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:14:13,186 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:14:13,235 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:14:13,236 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-26 02:14:13,237 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:67, output treesize:42 [2019-11-26 02:14:13,483 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-11-26 02:14:13,483 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:14:13,484 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 97 treesize of output 191 [2019-11-26 02:14:13,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,519 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,522 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,523 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,536 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,554 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,596 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,621 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,628 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,629 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,650 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,654 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:14:13,702 INFO L392 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 3=[v_arrayElimCell_3]} [2019-11-26 02:14:13,912 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 02:14:13,913 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:14:13,917 INFO L168 Benchmark]: Toolchain (without parser) took 16463.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.0 MB in the beginning and 829.9 MB in the end (delta: 121.1 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:13,917 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:14:13,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:13,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:14:13,919 INFO L168 Benchmark]: Boogie Preprocessor took 43.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:13,919 INFO L168 Benchmark]: RCFGBuilder took 11994.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:13,920 INFO L168 Benchmark]: TraceAbstraction took 4027.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 829.9 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:13,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11994.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4027.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 829.9 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...