./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 6e26e7af47553678bb6b29863e9db124dbc3ba0b .......................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 6e26e7af47553678bb6b29863e9db124dbc3ba0b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:25:47,109 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:25:47,110 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:25:47,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:25:47,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:25:47,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:25:47,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:25:47,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:25:47,122 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:25:47,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:25:47,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:25:47,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:25:47,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:25:47,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:25:47,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:25:47,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:25:47,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:25:47,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:25:47,129 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:25:47,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:25:47,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:25:47,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:25:47,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:25:47,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:25:47,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:25:47,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:25:47,134 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:25:47,135 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:25:47,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:25:47,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:25:47,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:25:47,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:25:47,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:25:47,137 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:25:47,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:25:47,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:25:47,138 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:25:47,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:25:47,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:25:47,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:25:47,149 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:25:47,149 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:25:47,149 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:25:47,149 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:25:47,149 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:25:47,149 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:25:47,149 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:25:47,150 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:25:47,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:25:47,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:25:47,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:25:47,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:25:47,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:25:47,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:25:47,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:25:47,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:25:47,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:25:47,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:25:47,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:25:47,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:25:47,152 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:25:47,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:25:47,152 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:25:47,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:25:47,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:25:47,152 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:25:47,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:25:47,152 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:25:47,153 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:25:47,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:25:47,153 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:25:47,153 INFO L133 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/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2018-11-10 03:25:47,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:25:47,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:25:47,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:25:47,189 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:25:47,189 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:25:47,190 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-10 03:25:47,232 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/5e2e99b93/8c55023f56954ebab865c9e8248bcc3c/FLAG1ae387c02 [2018-11-10 03:25:47,598 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:25:47,599 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-10 03:25:47,607 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/5e2e99b93/8c55023f56954ebab865c9e8248bcc3c/FLAG1ae387c02 [2018-11-10 03:25:47,617 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/5e2e99b93/8c55023f56954ebab865c9e8248bcc3c [2018-11-10 03:25:47,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:25:47,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:25:47,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:25:47,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:25:47,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:25:47,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:25:47" (1/1) ... [2018-11-10 03:25:47,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c971525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:47, skipping insertion in model container [2018-11-10 03:25:47,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:25:47" (1/1) ... [2018-11-10 03:25:47,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:25:47,663 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:25:47,939 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:995) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1053) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1300) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 03:25:47,942 INFO L168 Benchmark]: Toolchain (without parser) took 322.52 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:25:47,944 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:25:47,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.97 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:25:47,945 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.97 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:25:49,151 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:25:49,152 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:25:49,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:25:49,162 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:25:49,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:25:49,163 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:25:49,164 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:25:49,165 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:25:49,166 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:25:49,167 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:25:49,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:25:49,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:25:49,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:25:49,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:25:49,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:25:49,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:25:49,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:25:49,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:25:49,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:25:49,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:25:49,176 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:25:49,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:25:49,178 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:25:49,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:25:49,178 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:25:49,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:25:49,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:25:49,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:25:49,182 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:25:49,182 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:25:49,182 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:25:49,183 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:25:49,183 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:25:49,183 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:25:49,184 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:25:49,185 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 03:25:49,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:25:49,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:25:49,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:25:49,196 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:25:49,196 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:25:49,196 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:25:49,197 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:25:49,197 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:25:49,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:25:49,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:25:49,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:25:49,199 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:25:49,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:25:49,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:25:49,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:25:49,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:25:49,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:25:49,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:25:49,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:25:49,200 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:25:49,200 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:25:49,200 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 03:25:49,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:25:49,200 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:25:49,201 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:25:49,201 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2018-11-10 03:25:49,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:25:49,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:25:49,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:25:49,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:25:49,243 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:25:49,243 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-10 03:25:49,278 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/42929a3a5/a30f79ad6cd046f082128017ff193eb0/FLAG53276b75b [2018-11-10 03:25:49,721 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:25:49,721 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-10 03:25:49,731 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/42929a3a5/a30f79ad6cd046f082128017ff193eb0/FLAG53276b75b [2018-11-10 03:25:49,742 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/data/42929a3a5/a30f79ad6cd046f082128017ff193eb0 [2018-11-10 03:25:49,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:25:49,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:25:49,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:25:49,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:25:49,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:25:49,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:25:49" (1/1) ... [2018-11-10 03:25:49,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1106fc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:49, skipping insertion in model container [2018-11-10 03:25:49,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:25:49" (1/1) ... [2018-11-10 03:25:49,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:25:49,790 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:25:50,191 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:25:50,195 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:25:50,228 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:25:50,410 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:25:50,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50 WrapperNode [2018-11-10 03:25:50,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:25:50,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:25:50,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:25:50,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:25:50,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:25:50,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:25:50,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:25:50,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:25:50,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... [2018-11-10 03:25:50,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:25:50,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:25:50,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:25:50,462 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:25:50,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 [2018-11-10 03:25:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:25:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:25:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:25:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:25:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:25:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:25:51,764 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:25:51,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:25:51 BoogieIcfgContainer [2018-11-10 03:25:51,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:25:51,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:25:51,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:25:51,767 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:25:51,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:25:49" (1/3) ... [2018-11-10 03:25:51,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595f1571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:25:51, skipping insertion in model container [2018-11-10 03:25:51,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:25:50" (2/3) ... [2018-11-10 03:25:51,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595f1571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:25:51, skipping insertion in model container [2018-11-10 03:25:51,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:25:51" (3/3) ... [2018-11-10 03:25:51,769 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp2_true-unreach-call.i [2018-11-10 03:25:51,775 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:25:51,780 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-11-10 03:25:51,791 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-11-10 03:25:51,812 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:25:51,813 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:25:51,813 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:25:51,813 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:25:51,813 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:25:51,813 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:25:51,813 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:25:51,813 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:25:51,813 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:25:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-10 03:25:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:25:51,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:25:51,831 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:25:51,834 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:25:51,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:25:51,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1153311397, now seen corresponding path program 1 times [2018-11-10 03:25:51,839 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:25:51,840 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 [2018-11-10 03:25:51,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:25:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:25:51,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:25:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:25:51,881 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:25:51,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:25:51,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:25:51,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:25:51,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:25:51,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:25:51,901 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-11-10 03:25:51,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:25:51,922 INFO L93 Difference]: Finished difference Result 183 states and 259 transitions. [2018-11-10 03:25:51,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:25:51,923 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-10 03:25:51,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:25:51,931 INFO L225 Difference]: With dead ends: 183 [2018-11-10 03:25:51,931 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 03:25:51,934 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:25:51,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 03:25:51,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-10 03:25:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-10 03:25:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2018-11-10 03:25:51,956 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 11 [2018-11-10 03:25:51,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:25:51,957 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2018-11-10 03:25:51,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:25:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2018-11-10 03:25:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:25:51,957 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:25:51,957 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:25:51,958 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:25:51,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:25:51,958 INFO L82 PathProgramCache]: Analyzing trace with hash 837683866, now seen corresponding path program 1 times [2018-11-10 03:25:51,959 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:25:51,959 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 [2018-11-10 03:25:51,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:25:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:25:52,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:25:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:25:52,574 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:25:52,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:25:52,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 03:25:52,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 03:25:52,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 03:25:52,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 03:25:52,583 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 5 states. [2018-11-10 03:25:56,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:25:56,827 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2018-11-10 03:25:56,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 03:25:56,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-10 03:25:56,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:25:56,844 INFO L225 Difference]: With dead ends: 44 [2018-11-10 03:25:56,845 INFO L226 Difference]: Without dead ends: 36 [2018-11-10 03:25:56,845 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:25:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-10 03:25:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-11-10 03:25:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-10 03:25:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 35 transitions. [2018-11-10 03:25:56,849 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 35 transitions. Word has length 16 [2018-11-10 03:25:56,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:25:56,850 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 35 transitions. [2018-11-10 03:25:56,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 03:25:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions. [2018-11-10 03:25:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:25:56,850 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:25:56,851 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:25:56,851 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:25:56,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:25:56,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1478860735, now seen corresponding path program 1 times [2018-11-10 03:25:56,852 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:25:56,852 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 [2018-11-10 03:25:56,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:25:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:25:57,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:26:03,585 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.mul RNE main_~f~0 ((_ to_fp 11 53) RNE (_ bv1 32))) main_~f~0)) (let ((.cse0 ((_ to_fp 11 53) RNE (_ bv0 32)))) (fp.eq (fp.mul RNE .cse0 main_~f~0) .cse0)))) is different from false [2018-11-10 03:26:05,593 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.mul RNE main_~f~0 ((_ to_fp 11 53) RNE (_ bv1 32))) main_~f~0)) (let ((.cse0 ((_ to_fp 11 53) RNE (_ bv0 32)))) (fp.eq (fp.mul RNE .cse0 main_~f~0) .cse0)))) is different from true [2018-11-10 03:26:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:26:05,597 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:26:05,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:26:05,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 03:26:05,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 03:26:05,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 03:26:05,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-10 03:26:05,610 INFO L87 Difference]: Start difference. First operand 36 states and 35 transitions. Second operand 5 states. [2018-11-10 03:26:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:26:10,127 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2018-11-10 03:26:10,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 03:26:10,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-11-10 03:26:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:26:10,147 INFO L225 Difference]: With dead ends: 36 [2018-11-10 03:26:10,147 INFO L226 Difference]: Without dead ends: 34 [2018-11-10 03:26:10,147 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-10 03:26:10,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-10 03:26:10,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-10 03:26:10,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-10 03:26:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2018-11-10 03:26:10,150 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 27 [2018-11-10 03:26:10,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:26:10,150 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2018-11-10 03:26:10,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 03:26:10,150 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2018-11-10 03:26:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 03:26:10,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:26:10,151 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:26:10,152 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:26:10,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:26:10,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1327285239, now seen corresponding path program 1 times [2018-11-10 03:26:10,152 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:26:10,153 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/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 [2018-11-10 03:26:10,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:26:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:26:10,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:26:17,037 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) RNE (_ bv0 32)))) (fp.eq (fp.mul RNE .cse0 main_~f~0) .cse0)) (not (fp.eq (fp.div RNE main_~f~0 ((_ to_fp 11 53) RNE 1.0)) main_~f~0)))) is different from false [2018-11-10 03:26:19,055 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) RNE (_ bv0 32)))) (fp.eq (fp.mul RNE .cse0 main_~f~0) .cse0)) (not (fp.eq (fp.div RNE main_~f~0 ((_ to_fp 11 53) RNE 1.0)) main_~f~0)))) is different from true [2018-11-10 03:26:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:26:19,058 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:26:19,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:26:19,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 03:26:19,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 03:26:19,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 03:26:19,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-10 03:26:19,075 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 5 states. [2018-11-10 03:26:21,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:26:21,631 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-10 03:26:21,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 03:26:21,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-11-10 03:26:21,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:26:21,651 INFO L225 Difference]: With dead ends: 34 [2018-11-10 03:26:21,651 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:26:21,651 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-10 03:26:21,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:26:21,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:26:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:26:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:26:21,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-10 03:26:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:26:21,652 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:26:21,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 03:26:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:26:21,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:26:21,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:26:21,684 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 03:26:21,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:26:21,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:26:21,684 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 03:26:21,684 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:26:21,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:26:21,684 INFO L425 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point L993-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 952 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point L1010(line 1010) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point L1010-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point L977-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2018-11-10 03:26:21,685 INFO L425 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L994-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L1011-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L978-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L995(line 995) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L962(line 962) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L995-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point L962-3(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2018-11-10 03:26:21,686 INFO L425 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point L1012(line 1012) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point L1012-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point L963-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point L1013(line 1013) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point L1013-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,687 INFO L425 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L1014(line 1014) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L981(line 981) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L1014-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L981-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L998(line 998) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L998-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L965-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L1015(line 1015) no Hoare annotation was computed. [2018-11-10 03:26:21,688 INFO L425 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L1015-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L982-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L999(line 999) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1010) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L999-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L1016(line 1016) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L1016-2(lines 952 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L983-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1003) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L1000-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point L984-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2018-11-10 03:26:21,689 INFO L425 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L1001(line 1001) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L1001-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L985-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L1002(line 1002) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L1002-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L969-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2018-11-10 03:26:21,690 INFO L425 ceAbstractionStarter]: For program point L1003(line 1003) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point L1003-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 981) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point L1004(line 1004) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point L1004-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 952 1017) the Hoare annotation is: true [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point L1005(line 1005) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point L972(line 972) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point L1005-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point L972-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2018-11-10 03:26:21,691 INFO L425 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L990-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L957-2(line 957) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L957-4(line 957) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 972) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L957-5(line 957) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L991(line 991) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L958(line 958) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2018-11-10 03:26:21,692 INFO L425 ceAbstractionStarter]: For program point L991-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L958-2(line 958) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L958-4(line 958) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L958-5(line 958) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L1008(line 1008) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L1008-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L992(line 992) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L992-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L1009(line 1009) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L1009-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point L976-2(lines 953 1017) no Hoare annotation was computed. [2018-11-10 03:26:21,693 INFO L425 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-11-10 03:26:21,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:26:21 BoogieIcfgContainer [2018-11-10 03:26:21,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:26:21,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:26:21,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:26:21,697 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:26:21,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:25:51" (3/4) ... [2018-11-10 03:26:21,700 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:26:21,704 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:26:21,704 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:26:21,708 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 03:26:21,708 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 03:26:21,708 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 03:26:21,750 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22d7a4d1-4103-4679-8d7b-813bb069398b/bin-2019/utaipan/witness.graphml [2018-11-10 03:26:21,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:26:21,751 INFO L168 Benchmark]: Toolchain (without parser) took 32006.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 943.3 MB in the beginning and 1.0 GB in the end (delta: -100.6 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:26:21,752 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:26:21,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.70 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 830.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:26:21,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.02 ms. Allocated memory is still 1.0 GB. Free memory is still 830.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:26:21,753 INFO L168 Benchmark]: Boogie Preprocessor took 17.83 ms. Allocated memory is still 1.0 GB. Free memory is still 830.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:26:21,753 INFO L168 Benchmark]: RCFGBuilder took 1303.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -318.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:26:21,753 INFO L168 Benchmark]: TraceAbstraction took 29931.14 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: 93.1 MB). Peak memory consumption was 93.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:26:21,753 INFO L168 Benchmark]: Witness Printer took 53.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:26:21,755 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 664.70 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 830.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.02 ms. Allocated memory is still 1.0 GB. Free memory is still 830.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.83 ms. Allocated memory is still 1.0 GB. Free memory is still 830.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1303.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -318.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29931.14 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: 93.1 MB). Peak memory consumption was 93.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1014]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1005]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1011]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1009]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1003]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 993]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 978]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 995]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1001]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1010]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1016]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 999]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 981]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 991]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1008]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 963]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 972]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 977]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 962]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1012]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1013]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 982]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 992]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1004]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 985]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1015]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 125 locations, 36 error locations. SAFE Result, 29.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 11.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 145 SDtfs, 42 SDslu, 107 SDs, 0 SdLazy, 44 SolverSat, 3 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 2 QuantifiedInterpolants, 10657 SizeOfPredicates, 5 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...