./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/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 ad42bb2010d2b192065bfa0d559e83801dcf82da .................................................................................................................................................................................................................................... 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_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/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 ad42bb2010d2b192065bfa0d559e83801dcf82da ............................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:19:19,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:19:19,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:19:19,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:19:19,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:19:19,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:19:19,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:19:19,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:19:19,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:19:19,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:19:19,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:19:19,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:19:19,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:19:19,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:19:19,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:19:19,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:19:19,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:19:19,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:19:19,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:19:19,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:19:19,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:19:19,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:19:19,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:19:19,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:19:19,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:19:19,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:19:19,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:19:19,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:19:19,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:19:19,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:19:19,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:19:19,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:19:19,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:19:19,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:19:19,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:19:19,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:19:19,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:19:19,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:19:19,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:19:19,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:19:19,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:19:19,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:19:19,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:19:19,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:19:19,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:19:19,894 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:19:19,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:19:19,895 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:19:19,895 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:19:19,896 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:19:19,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:19:19,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:19:19,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:19:19,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:19:19,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:19:19,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:19:19,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:19:19,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:19:19,897 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:19:19,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:19:19,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:19:19,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:19:19,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:19:19,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:19:19,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:19:19,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:19:19,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:19:19,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:19:19,899 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_95b4cff7-c25d-4fba-9242-040050e841cc/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2019-12-07 13:19:19,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:19:20,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:19:20,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:19:20,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:19:20,012 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:19:20,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-12-07 13:19:20,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/638a8e69b/633663b89bcb40149c3898014616fc33/FLAGabe461618 [2019-12-07 13:19:20,457 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:19:20,458 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/sv-benchmarks/c/float-benchs/Rump_float.c [2019-12-07 13:19:20,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/638a8e69b/633663b89bcb40149c3898014616fc33/FLAGabe461618 [2019-12-07 13:19:20,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/638a8e69b/633663b89bcb40149c3898014616fc33 [2019-12-07 13:19:20,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:19:20,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:19:20,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:19:20,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:19:20,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:19:20,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374ca533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20, skipping insertion in model container [2019-12-07 13:19:20,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:19:20,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:19:20,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:19:20,593 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:19:20,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:19:20,647 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:19:20,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20 WrapperNode [2019-12-07 13:19:20,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:19:20,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:19:20,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:19:20,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:19:20,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:19:20,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:19:20,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:19:20,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:19:20,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... [2019-12-07 13:19:20,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:19:20,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:19:20,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:19:20,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:19:20,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/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 [2019-12-07 13:19:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:19:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:19:20,811 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:19:20,811 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 13:19:20,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:20 BoogieIcfgContainer [2019-12-07 13:19:20,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:19:20,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:19:20,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:19:20,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:19:20,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:19:20" (1/3) ... [2019-12-07 13:19:20,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a26eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:19:20, skipping insertion in model container [2019-12-07 13:19:20,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:20" (2/3) ... [2019-12-07 13:19:20,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a26eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:19:20, skipping insertion in model container [2019-12-07 13:19:20,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:20" (3/3) ... [2019-12-07 13:19:20,817 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-12-07 13:19:20,823 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:19:20,827 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:19:20,834 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:19:20,848 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:19:20,848 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:19:20,848 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:19:20,848 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:19:20,848 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:19:20,849 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:19:20,849 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:19:20,849 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:19:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-12-07 13:19:20,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 13:19:20,861 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:19:20,861 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 13:19:20,861 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:19:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:19:20,865 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-12-07 13:19:20,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:19:20,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043430290] [2019-12-07 13:19:20,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:19:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:19:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:19:20,940 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 13:19:20,940 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:19:20,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:19:20 BoogieIcfgContainer [2019-12-07 13:19:20,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:19:20,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:19:20,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:19:20,951 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:19:20,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:20" (3/4) ... [2019-12-07 13:19:20,954 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:19:20,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:19:20,956 INFO L168 Benchmark]: Toolchain (without parser) took 481.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:19:20,957 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:19:20,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:20,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.79 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. [2019-12-07 13:19:20,958 INFO L168 Benchmark]: Boogie Preprocessor took 13.08 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. [2019-12-07 13:19:20,959 INFO L168 Benchmark]: RCFGBuilder took 130.76 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:20,960 INFO L168 Benchmark]: TraceAbstraction took 137.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:20,960 INFO L168 Benchmark]: Witness Printer took 2.91 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. [2019-12-07 13:19:20,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.79 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 13.08 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 130.76 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 137.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 0.1.25-f470102 [2019-12-07 13:19:22,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:19:22,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:19:22,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:19:22,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:19:22,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:19:22,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:19:22,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:19:22,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:19:22,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:19:22,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:19:22,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:19:22,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:19:22,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:19:22,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:19:22,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:19:22,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:19:22,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:19:22,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:19:22,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:19:22,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:19:22,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:19:22,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:19:22,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:19:22,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:19:22,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:19:22,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:19:22,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:19:22,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:19:22,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:19:22,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:19:22,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:19:22,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:19:22,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:19:22,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:19:22,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:19:22,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:19:22,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:19:22,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:19:22,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:19:22,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:19:22,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:19:22,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:19:22,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:19:22,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:19:22,338 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:19:22,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:19:22,338 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:19:22,338 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:19:22,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:19:22,339 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:19:22,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:19:22,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:19:22,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:19:22,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:19:22,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:19:22,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:19:22,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:19:22,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:19:22,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:19:22,341 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:19:22,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:19:22,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:19:22,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:19:22,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:19:22,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:19:22,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:19:22,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:19:22,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:19:22,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:19:22,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:19:22,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:19:22,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:19:22,344 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:19:22,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:19:22,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:19:22,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:19:22,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:19:22,345 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_95b4cff7-c25d-4fba-9242-040050e841cc/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2019-12-07 13:19:22,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:19:22,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:19:22,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:19:22,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:19:22,518 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:19:22,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-12-07 13:19:22,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/8681e7c71/986c4fc8f348404aa31e47faa2ec042f/FLAG611fd8fb4 [2019-12-07 13:19:22,978 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:19:22,978 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/sv-benchmarks/c/float-benchs/Rump_float.c [2019-12-07 13:19:22,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/8681e7c71/986c4fc8f348404aa31e47faa2ec042f/FLAG611fd8fb4 [2019-12-07 13:19:22,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/data/8681e7c71/986c4fc8f348404aa31e47faa2ec042f [2019-12-07 13:19:22,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:19:22,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:19:22,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:19:22,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:19:22,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:19:23,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:19:22" (1/1) ... [2019-12-07 13:19:23,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2fed62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23, skipping insertion in model container [2019-12-07 13:19:23,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:19:22" (1/1) ... [2019-12-07 13:19:23,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:19:23,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:19:23,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:19:23,123 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:19:23,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:19:23,145 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:19:23,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23 WrapperNode [2019-12-07 13:19:23,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:19:23,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:19:23,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:19:23,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:19:23,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:19:23,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:19:23,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:19:23,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:19:23,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... [2019-12-07 13:19:23,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:19:23,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:19:23,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:19:23,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:19:23,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/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 [2019-12-07 13:19:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:19:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:19:25,635 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:19:25,635 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 13:19:25,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:25 BoogieIcfgContainer [2019-12-07 13:19:25,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:19:25,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:19:25,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:19:25,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:19:25,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:19:22" (1/3) ... [2019-12-07 13:19:25,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11994b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:19:25, skipping insertion in model container [2019-12-07 13:19:25,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:19:23" (2/3) ... [2019-12-07 13:19:25,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11994b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:19:25, skipping insertion in model container [2019-12-07 13:19:25,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:25" (3/3) ... [2019-12-07 13:19:25,642 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-12-07 13:19:25,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:19:25,653 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:19:25,660 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:19:25,675 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:19:25,675 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:19:25,675 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:19:25,675 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:19:25,675 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:19:25,675 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:19:25,675 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:19:25,675 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:19:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-07 13:19:25,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 13:19:25,687 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:19:25,688 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 13:19:25,688 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:19:25,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:19:25,691 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-12-07 13:19:25,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:19:25,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142450654] [2019-12-07 13:19:25,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/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 [2019-12-07 13:19:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:19:27,397 WARN L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:19:27,402 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:19:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:19:27,469 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:19:29,575 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from false [2019-12-07 13:19:31,672 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from true [2019-12-07 13:19:31,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:19:31,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142450654] [2019-12-07 13:19:31,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:19:31,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 13:19:31,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400826657] [2019-12-07 13:19:31,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:19:31,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:19:31,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:19:31,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2019-12-07 13:19:31,692 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2019-12-07 13:19:33,803 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 13:19:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:19:33,816 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 13:19:33,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:19:33,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-12-07 13:19:33,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:19:33,823 INFO L225 Difference]: With dead ends: 13 [2019-12-07 13:19:33,823 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:19:33,825 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2019-12-07 13:19:33,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:19:33,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:19:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:19:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:19:33,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-12-07 13:19:33,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:19:33,843 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:19:33,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:19:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:19:33,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:19:34,044 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:19:34,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:19:34,097 INFO L242 CegarLoopResult]: At program point L4-3(line 4) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-12-07 13:19:34,098 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:19:34,098 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:19:34,098 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:19:34,098 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:19:34,098 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-12-07 13:19:34,098 INFO L242 CegarLoopResult]: At program point L14(lines 6 15) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-12-07 13:19:34,098 INFO L246 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2019-12-07 13:19:34,098 INFO L246 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-12-07 13:19:34,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:19:34 BoogieIcfgContainer [2019-12-07 13:19:34,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:19:34,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:19:34,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:19:34,108 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:19:34,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:25" (3/4) ... [2019-12-07 13:19:34,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:19:34,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 13:19:34,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:19:34,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:19:34,141 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_95b4cff7-c25d-4fba-9242-040050e841cc/bin/utaipan/witness.graphml [2019-12-07 13:19:34,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:19:34,143 INFO L168 Benchmark]: Toolchain (without parser) took 11146.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:34,143 INFO L168 Benchmark]: CDTParser took 0.13 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. [2019-12-07 13:19:34,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.35 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 941.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:34,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:34,144 INFO L168 Benchmark]: Boogie Preprocessor took 17.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:34,144 INFO L168 Benchmark]: RCFGBuilder took 2417.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:34,145 INFO L168 Benchmark]: TraceAbstraction took 8470.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:19:34,145 INFO L168 Benchmark]: Witness Printer took 33.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:19:34,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 149.35 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 941.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2417.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8470.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Witness Printer took 33.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 618 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be correct! Received shutdown request...