./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 356e353e7bb6e96bd959fe4862b56669bada9c19 ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 356e353e7bb6e96bd959fe4862b56669bada9c19 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:27:01,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:27:01,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:27:01,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:27:01,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:27:01,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:27:01,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:27:01,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:27:01,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:27:01,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:27:01,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:27:01,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:27:01,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:27:01,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:27:01,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:27:01,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:27:01,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:27:01,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:27:01,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:27:01,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:27:01,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:27:01,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:27:01,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:27:01,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:27:01,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:27:01,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:27:01,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:27:01,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:27:01,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:27:01,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:27:01,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:27:01,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:27:01,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:27:01,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:27:01,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:27:01,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:27:01,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:27:01,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:27:01,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:27:01,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:27:01,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:27:01,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:27:01,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:27:01,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:27:01,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:27:01,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:27:01,225 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:27:01,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:27:01,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:27:01,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:27:01,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:27:01,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:27:01,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:27:01,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:27:01,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:27:01,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:27:01,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2019-12-07 12:27:01,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:27:01,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:27:01,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:27:01,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:27:01,346 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:27:01,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-12-07 12:27:01,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/a10512c27/14fddbadf50743578e2290990fb5437c/FLAG367279596 [2019-12-07 12:27:01,842 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:27:01,842 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-12-07 12:27:01,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/a10512c27/14fddbadf50743578e2290990fb5437c/FLAG367279596 [2019-12-07 12:27:01,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/a10512c27/14fddbadf50743578e2290990fb5437c [2019-12-07 12:27:01,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:27:01,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:27:01,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:27:01,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:27:01,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:27:01,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:01" (1/1) ... [2019-12-07 12:27:01,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b08f34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:01, skipping insertion in model container [2019-12-07 12:27:01,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:01" (1/1) ... [2019-12-07 12:27:01,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:27:01,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:27:02,184 FATAL L? ?]: 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: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:1064) 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:2326) 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:697) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) 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.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1624) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:1336) 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:1029) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 12:27:02,188 INFO L168 Benchmark]: Toolchain (without parser) took 324.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:02,188 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:27:02,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:02,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 23.9 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: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:27:03,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:27:03,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:27:03,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:27:03,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:27:03,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:27:03,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:27:03,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:27:03,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:27:03,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:27:03,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:27:03,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:27:03,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:27:03,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:27:03,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:27:03,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:27:03,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:27:03,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:27:03,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:27:03,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:27:03,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:27:03,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:27:03,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:27:03,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:27:03,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:27:03,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:27:03,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:27:03,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:27:03,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:27:03,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:27:03,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:27:03,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:27:03,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:27:03,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:27:03,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:27:03,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:27:03,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:27:03,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:27:03,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:27:03,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:27:03,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:27:03,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 12:27:03,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:27:03,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:27:03,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:27:03,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:27:03,381 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:27:03,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:27:03,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:27:03,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:27:03,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:27:03,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:27:03,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:27:03,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:27:03,382 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:27:03,382 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:27:03,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:27:03,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:27:03,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:27:03,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:27:03,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:27:03,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:27:03,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:27:03,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:27:03,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:27:03,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:27:03,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:27:03,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:27:03,384 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:27:03,384 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:27:03,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:27:03,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:27:03,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:27:03,385 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2019-12-07 12:27:03,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:27:03,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:27:03,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:27:03,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:27:03,558 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:27:03,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-12-07 12:27:03,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/0615a6bc9/d5c06ba561034d2da6c6b7bbd21d13a1/FLAGab115a7e1 [2019-12-07 12:27:03,996 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:27:03,996 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-12-07 12:27:04,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/0615a6bc9/d5c06ba561034d2da6c6b7bbd21d13a1/FLAGab115a7e1 [2019-12-07 12:27:04,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/data/0615a6bc9/d5c06ba561034d2da6c6b7bbd21d13a1 [2019-12-07 12:27:04,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:27:04,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:27:04,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:27:04,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:27:04,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:27:04,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c9d862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04, skipping insertion in model container [2019-12-07 12:27:04,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:27:04,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:27:04,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:27:04,349 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:27:04,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:27:04,625 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:27:04,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04 WrapperNode [2019-12-07 12:27:04,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:27:04,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:27:04,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:27:04,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:27:04,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:27:04,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:27:04,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:27:04,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:27:04,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... [2019-12-07 12:27:04,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:27:04,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:27:04,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:27:04,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:27:04,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:27:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:27:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:27:04,875 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:27:04,876 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 12:27:04,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:27:04 BoogieIcfgContainer [2019-12-07 12:27:04,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:27:04,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:27:04,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:27:04,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:27:04,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:27:04" (1/3) ... [2019-12-07 12:27:04,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a2a409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:27:04, skipping insertion in model container [2019-12-07 12:27:04,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:04" (2/3) ... [2019-12-07 12:27:04,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a2a409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:27:04, skipping insertion in model container [2019-12-07 12:27:04,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:27:04" (3/3) ... [2019-12-07 12:27:04,882 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2019-12-07 12:27:04,888 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:27:04,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-12-07 12:27:04,899 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-12-07 12:27:04,914 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:27:04,914 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:27:04,914 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:27:04,914 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:27:04,915 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:27:04,915 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:27:04,915 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:27:04,915 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:27:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-12-07 12:27:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 12:27:04,933 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:27:04,933 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 12:27:04,934 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:27:04,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:27:04,938 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-12-07 12:27:04,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:27:04,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540207781] [2019-12-07 12:27:04,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 12:27:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:27:04,986 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:27:04,989 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:27:05,188 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 2 [2019-12-07 12:27:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:05,198 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:27:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:05,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540207781] [2019-12-07 12:27:05,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:27:05,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:27:05,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431527380] [2019-12-07 12:27:05,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:27:05,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:27:05,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:27:05,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:05,223 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2019-12-07 12:27:05,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:27:05,247 INFO L93 Difference]: Finished difference Result 75 states and 94 transitions. [2019-12-07 12:27:05,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:27:05,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-12-07 12:27:05,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:27:05,257 INFO L225 Difference]: With dead ends: 75 [2019-12-07 12:27:05,257 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 12:27:05,260 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 12:27:05,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 12:27:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 12:27:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2019-12-07 12:27:05,289 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 4 [2019-12-07 12:27:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:27:05,289 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2019-12-07 12:27:05,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:27:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2019-12-07 12:27:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 12:27:05,290 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:27:05,290 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:27:05,491 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:27:05,492 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:27:05,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:27:05,493 INFO L82 PathProgramCache]: Analyzing trace with hash 241686798, now seen corresponding path program 1 times [2019-12-07 12:27:05,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:27:05,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041858110] [2019-12-07 12:27:05,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 12:27:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:27:05,579 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:27:05,582 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:27:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:05,615 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:27:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:05,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041858110] [2019-12-07 12:27:05,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:27:05,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:27:05,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8352445] [2019-12-07 12:27:05,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:27:05,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:27:05,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:27:05,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:05,699 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 4 states. [2019-12-07 12:27:05,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:27:05,711 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2019-12-07 12:27:05,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:27:05,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-07 12:27:05,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:27:05,713 INFO L225 Difference]: With dead ends: 33 [2019-12-07 12:27:05,713 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 12:27:05,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:05,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 12:27:05,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 12:27:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 12:27:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2019-12-07 12:27:05,718 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 8 [2019-12-07 12:27:05,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:27:05,718 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2019-12-07 12:27:05,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:27:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2019-12-07 12:27:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 12:27:05,719 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:27:05,719 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:27:05,920 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:27:05,921 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:27:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:27:05,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1730276696, now seen corresponding path program 1 times [2019-12-07 12:27:05,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:27:05,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682434193] [2019-12-07 12:27:05,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 12:27:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:27:06,019 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:27:06,021 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:27:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:06,040 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:27:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:06,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682434193] [2019-12-07 12:27:06,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:27:06,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:27:06,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289574325] [2019-12-07 12:27:06,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:27:06,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:27:06,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:27:06,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:06,112 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 4 states. [2019-12-07 12:27:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:27:06,124 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2019-12-07 12:27:06,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:27:06,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 12:27:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:27:06,125 INFO L225 Difference]: With dead ends: 29 [2019-12-07 12:27:06,125 INFO L226 Difference]: Without dead ends: 23 [2019-12-07 12:27:06,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:06,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-07 12:27:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-12-07 12:27:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 12:27:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2019-12-07 12:27:06,128 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 11 [2019-12-07 12:27:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:27:06,129 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2019-12-07 12:27:06,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:27:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2019-12-07 12:27:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 12:27:06,129 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:27:06,129 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:27:06,330 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:27:06,330 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:27:06,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:27:06,331 INFO L82 PathProgramCache]: Analyzing trace with hash 113862466, now seen corresponding path program 1 times [2019-12-07 12:27:06,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:27:06,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65130031] [2019-12-07 12:27:06,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 12:27:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:27:06,359 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:27:06,359 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:27:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:06,372 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:27:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:06,380 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65130031] [2019-12-07 12:27:06,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:27:06,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:27:06,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169142110] [2019-12-07 12:27:06,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:27:06,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:27:06,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:27:06,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:06,381 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 4 states. [2019-12-07 12:27:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:27:06,391 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-12-07 12:27:06,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:27:06,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-12-07 12:27:06,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:27:06,392 INFO L225 Difference]: With dead ends: 23 [2019-12-07 12:27:06,393 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 12:27:06,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:27:06,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 12:27:06,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 12:27:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 12:27:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-12-07 12:27:06,395 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 15 [2019-12-07 12:27:06,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:27:06,396 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-12-07 12:27:06,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:27:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-12-07 12:27:06,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:27:06,397 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:27:06,397 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:27:06,597 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:27:06,599 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:27:06,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:27:06,600 INFO L82 PathProgramCache]: Analyzing trace with hash -943331954, now seen corresponding path program 1 times [2019-12-07 12:27:06,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:27:06,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24118150] [2019-12-07 12:27:06,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 12:27:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:27:06,653 INFO L264 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:27:06,654 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:27:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:06,670 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:27:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:27:06,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24118150] [2019-12-07 12:27:06,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:27:06,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:27:06,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844317758] [2019-12-07 12:27:06,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:27:06,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:27:06,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:27:06,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:27:06,676 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 3 states. [2019-12-07 12:27:06,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:27:06,679 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-07 12:27:06,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:27:06,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 12:27:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:27:06,680 INFO L225 Difference]: With dead ends: 19 [2019-12-07 12:27:06,680 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:27:06,681 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:27:06,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:27:06,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:27:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:27:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:27:06,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 12:27:06,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:27:06,681 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:27:06,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:27:06,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:27:06,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:27:06,882 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:27:06,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point L960(line 960) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point L960-2(lines 954 991) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point L961(line 961) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point L961-2(line 961) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point L990(line 990) no Hoare annotation was computed. [2019-12-07 12:27:06,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L990-1(line 990) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L953(lines 953 991) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L974-1(line 974) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L974-3(lines 954 991) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L983-3(lines 954 991) no Hoare annotation was computed. [2019-12-07 12:27:06,891 INFO L246 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L975-2(lines 954 991) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L967-3(lines 954 991) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L959(line 959) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L959-3(lines 954 991) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L984(line 984) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L984-2(line 984) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2019-12-07 12:27:06,892 INFO L246 CegarLoopResult]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-12-07 12:27:06,893 INFO L246 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2019-12-07 12:27:06,893 INFO L246 CegarLoopResult]: For program point L968-2(line 968) no Hoare annotation was computed. [2019-12-07 12:27:06,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:27:06 BoogieIcfgContainer [2019-12-07 12:27:06,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:27:06,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:27:06,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:27:06,897 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:27:06,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:27:04" (3/4) ... [2019-12-07 12:27:06,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:27:06,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 12:27:06,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:27:06,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:27:06,946 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2978b9fc-6af9-4f96-8323-6190e24dbb5c/bin/uautomizer/witness.graphml [2019-12-07 12:27:06,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:27:06,947 INFO L168 Benchmark]: Toolchain (without parser) took 2930.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.0 MB in the beginning and 852.3 MB in the end (delta: 94.7 MB). Peak memory consumption was 223.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:06,947 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:27:06,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -73.3 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:06,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:06,948 INFO L168 Benchmark]: Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:27:06,948 INFO L168 Benchmark]: RCFGBuilder took 193.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:06,948 INFO L168 Benchmark]: TraceAbstraction took 2018.93 ms. Allocated memory is still 1.2 GB. Free memory was 995.1 MB in the beginning and 859.2 MB in the end (delta: 135.9 MB). Peak memory consumption was 135.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:06,948 INFO L168 Benchmark]: Witness Printer took 49.30 ms. Allocated memory is still 1.2 GB. Free memory was 859.2 MB in the beginning and 852.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:27:06,950 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -73.3 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 193.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2018.93 ms. Allocated memory is still 1.2 GB. Free memory was 995.1 MB in the beginning and 859.2 MB in the end (delta: 135.9 MB). Peak memory consumption was 135.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.30 ms. Allocated memory is still 1.2 GB. Free memory was 859.2 MB in the beginning and 852.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 960]: 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: 968]: 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: 974]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 975]: 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: 967]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: 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 - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 11 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 109 SDtfs, 91 SDslu, 42 SDs, 0 SdLazy, 15 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 1662 SizeOfPredicates, 5 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...