./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c5678568630a4199d94fed33c5301bef19d60be ......................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c5678568630a4199d94fed33c5301bef19d60be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:46:29,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:46:29,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:46:29,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:46:29,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:46:29,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:46:29,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:46:29,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:46:29,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:46:29,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:46:29,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:46:29,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:46:29,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:46:29,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:46:29,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:46:29,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:46:29,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:46:29,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:46:29,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:46:29,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:46:29,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:46:29,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:46:29,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:46:29,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:46:29,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:46:29,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:46:29,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:46:29,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:46:29,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:46:29,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:46:29,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:46:29,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:46:29,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:46:29,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:46:29,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:46:29,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:46:29,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:46:29,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:46:29,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:46:29,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:46:29,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:46:29,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:46:29,974 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:46:29,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:46:29,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:46:29,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:46:29,977 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:46:29,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:46:29,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:46:29,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:46:29,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:46:29,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:46:29,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:46:29,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:46:29,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:46:29,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:46:29,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:46:29,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:46:29,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:46:29,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:46:29,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:46:29,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:46:29,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:46:29,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:46:29,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:46:29,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:46:29,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:46:29,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:46:29,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:46:29,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:46:29,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:46:29,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-11-29 22:46:30,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:46:30,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:46:30,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:46:30,317 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:46:30,318 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:46:30,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-29 22:46:30,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/ba94cfc0c/9b26526804a54ef9b6234be49a5ca051/FLAG1edda7444 [2020-11-29 22:46:31,119 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:46:31,120 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-29 22:46:31,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/ba94cfc0c/9b26526804a54ef9b6234be49a5ca051/FLAG1edda7444 [2020-11-29 22:46:31,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/ba94cfc0c/9b26526804a54ef9b6234be49a5ca051 [2020-11-29 22:46:31,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:46:31,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:46:31,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:46:31,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:46:31,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:46:31,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:46:31" (1/1) ... [2020-11-29 22:46:31,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cc671f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:31, skipping insertion in model container [2020-11-29 22:46:31,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:46:31" (1/1) ... [2020-11-29 22:46:31,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:46:31,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:46:32,116 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.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) 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:2342) 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:705) 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:2342) 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.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1352) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 22:46:32,133 INFO L168 Benchmark]: Toolchain (without parser) took 767.54 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 51.9 MB in the beginning and 73.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:32,134 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:46:32,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.55 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 51.6 MB in the beginning and 73.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:32,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 764.55 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 51.6 MB in the beginning and 73.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 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 0.2.0-a4ecdab [2020-11-29 22:46:34,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:46:34,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:46:34,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:46:34,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:46:34,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:46:34,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:46:34,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:46:34,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:46:34,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:46:34,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:46:34,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:46:34,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:46:34,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:46:34,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:46:34,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:46:34,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:46:34,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:46:34,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:46:34,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:46:34,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:46:34,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:46:34,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:46:34,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:46:34,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:46:34,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:46:34,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:46:34,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:46:34,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:46:34,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:46:34,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:46:34,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:46:34,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:46:34,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:46:34,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:46:34,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:46:34,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:46:34,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:46:34,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:46:34,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:46:34,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:46:34,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 22:46:34,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:46:34,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:46:34,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:46:34,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:46:34,927 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:46:34,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:46:34,928 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:46:34,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:46:34,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:46:34,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:46:34,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:46:34,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:46:34,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:46:34,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:46:34,931 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:46:34,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:46:34,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:46:34,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:46:34,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:46:34,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:46:34,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:46:34,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:46:34,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:46:34,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:46:34,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:46:34,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:46:34,935 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:46:34,935 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:46:34,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:46:34,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:46:34,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:46:34,936 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-11-29 22:46:35,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:46:35,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:46:35,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:46:35,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:46:35,484 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:46:35,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-29 22:46:35,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/4200ef5b3/6743657661544123913fd3ce303526f0/FLAG7b413e2a7 [2020-11-29 22:46:36,431 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:46:36,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-29 22:46:36,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/4200ef5b3/6743657661544123913fd3ce303526f0/FLAG7b413e2a7 [2020-11-29 22:46:36,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/data/4200ef5b3/6743657661544123913fd3ce303526f0 [2020-11-29 22:46:36,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:46:36,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:46:36,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:46:36,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:46:36,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:46:36,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:46:36" (1/1) ... [2020-11-29 22:46:36,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572eb7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:36, skipping insertion in model container [2020-11-29 22:46:36,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:46:36" (1/1) ... [2020-11-29 22:46:36,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:46:36,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:46:37,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:46:37,555 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:46:37,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:46:38,162 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:46:38,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38 WrapperNode [2020-11-29 22:46:38,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:46:38,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:46:38,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:46:38,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:46:38,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:46:38,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:46:38,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:46:38,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:46:38,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... [2020-11-29 22:46:38,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:46:38,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:46:38,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:46:38,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:46:38,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/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 [2020-11-29 22:46:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:46:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:46:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:46:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:46:39,042 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:46:39,043 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 22:46:39,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:46:39 BoogieIcfgContainer [2020-11-29 22:46:39,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:46:39,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:46:39,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:46:39,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:46:39,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:46:36" (1/3) ... [2020-11-29 22:46:39,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f359fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:46:39, skipping insertion in model container [2020-11-29 22:46:39,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:46:38" (2/3) ... [2020-11-29 22:46:39,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f359fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:46:39, skipping insertion in model container [2020-11-29 22:46:39,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:46:39" (3/3) ... [2020-11-29 22:46:39,054 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2020-11-29 22:46:39,068 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:46:39,073 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-11-29 22:46:39,088 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-11-29 22:46:39,118 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:46:39,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:46:39,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:46:39,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:46:39,119 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:46:39,119 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:46:39,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:46:39,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:46:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-11-29 22:46:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 22:46:39,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:46:39,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:46:39,145 INFO L429 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]=== [2020-11-29 22:46:39,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:46:39,152 INFO L82 PathProgramCache]: Analyzing trace with hash 889510762, now seen corresponding path program 1 times [2020-11-29 22:46:39,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:46:39,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076340669] [2020-11-29 22:46:39,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/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 [2020-11-29 22:46:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:46:39,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 22:46:39,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:46:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:39,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:46:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:39,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076340669] [2020-11-29 22:46:39,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:46:39,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 22:46:39,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629983644] [2020-11-29 22:46:39,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:46:39,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:46:39,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:46:39,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:46:39,319 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-11-29 22:46:39,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:46:39,342 INFO L93 Difference]: Finished difference Result 124 states and 175 transitions. [2020-11-29 22:46:39,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:46:39,343 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-29 22:46:39,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:46:39,354 INFO L225 Difference]: With dead ends: 124 [2020-11-29 22:46:39,354 INFO L226 Difference]: Without dead ends: 55 [2020-11-29 22:46:39,358 INFO L677 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 [2020-11-29 22:46:39,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-29 22:46:39,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-29 22:46:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-29 22:46:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 54 transitions. [2020-11-29 22:46:39,400 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 54 transitions. Word has length 6 [2020-11-29 22:46:39,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:46:39,401 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 54 transitions. [2020-11-29 22:46:39,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:46:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-11-29 22:46:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 22:46:39,402 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:46:39,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:46:39,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:46:39,616 INFO L429 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]=== [2020-11-29 22:46:39,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:46:39,617 INFO L82 PathProgramCache]: Analyzing trace with hash 889570344, now seen corresponding path program 1 times [2020-11-29 22:46:39,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:46:39,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708630630] [2020-11-29 22:46:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/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 [2020-11-29 22:46:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:46:39,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:46:39,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:46:40,453 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 11 [2020-11-29 22:46:40,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:46:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:40,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:46:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:40,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708630630] [2020-11-29 22:46:40,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:46:40,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-29 22:46:40,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069321817] [2020-11-29 22:46:40,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:46:40,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:46:40,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:46:40,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:46:40,578 INFO L87 Difference]: Start difference. First operand 55 states and 54 transitions. Second operand 6 states. [2020-11-29 22:46:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:46:40,739 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-11-29 22:46:40,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:46:40,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-11-29 22:46:40,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:46:40,742 INFO L225 Difference]: With dead ends: 55 [2020-11-29 22:46:40,742 INFO L226 Difference]: Without dead ends: 46 [2020-11-29 22:46:40,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:46:40,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-29 22:46:40,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-29 22:46:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-29 22:46:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2020-11-29 22:46:40,758 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 6 [2020-11-29 22:46:40,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:46:40,760 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2020-11-29 22:46:40,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:46:40,761 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2020-11-29 22:46:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 22:46:40,763 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:46:40,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:46:40,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 22:46:40,966 INFO L429 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]=== [2020-11-29 22:46:40,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:46:40,967 INFO L82 PathProgramCache]: Analyzing trace with hash -325797734, now seen corresponding path program 1 times [2020-11-29 22:46:40,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:46:40,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785111918] [2020-11-29 22:46:40,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/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 [2020-11-29 22:46:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:46:41,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:46:41,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:46:41,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:46:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:41,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:46:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:41,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785111918] [2020-11-29 22:46:41,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:46:41,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-29 22:46:41,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726269249] [2020-11-29 22:46:41,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:46:41,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:46:41,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:46:41,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:46:41,194 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 6 states. [2020-11-29 22:46:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:46:41,294 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2020-11-29 22:46:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:46:41,296 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-29 22:46:41,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:46:41,297 INFO L225 Difference]: With dead ends: 46 [2020-11-29 22:46:41,297 INFO L226 Difference]: Without dead ends: 40 [2020-11-29 22:46:41,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:46:41,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-29 22:46:41,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-29 22:46:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-29 22:46:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2020-11-29 22:46:41,306 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 11 [2020-11-29 22:46:41,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:46:41,307 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2020-11-29 22:46:41,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:46:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2020-11-29 22:46:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:46:41,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:46:41,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:46:41,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 22:46:41,526 INFO L429 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]=== [2020-11-29 22:46:41,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:46:41,528 INFO L82 PathProgramCache]: Analyzing trace with hash 386947499, now seen corresponding path program 1 times [2020-11-29 22:46:41,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:46:41,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458962069] [2020-11-29 22:46:41,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/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 [2020-11-29 22:46:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:46:41,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:46:41,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:46:41,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:46:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:41,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:46:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:41,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458962069] [2020-11-29 22:46:41,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:46:41,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-29 22:46:41,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418255847] [2020-11-29 22:46:41,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:46:41,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:46:41,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:46:41,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:46:41,872 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 6 states. [2020-11-29 22:46:42,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:46:42,006 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-11-29 22:46:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:46:42,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-11-29 22:46:42,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:46:42,008 INFO L225 Difference]: With dead ends: 40 [2020-11-29 22:46:42,008 INFO L226 Difference]: Without dead ends: 31 [2020-11-29 22:46:42,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:46:42,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-29 22:46:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-29 22:46:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-29 22:46:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2020-11-29 22:46:42,013 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 15 [2020-11-29 22:46:42,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:46:42,013 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2020-11-29 22:46:42,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:46:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2020-11-29 22:46:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 22:46:42,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:46:42,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:46:42,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 22:46:42,226 INFO L429 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]=== [2020-11-29 22:46:42,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:46:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash -411429104, now seen corresponding path program 1 times [2020-11-29 22:46:42,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:46:42,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363083385] [2020-11-29 22:46:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/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 [2020-11-29 22:46:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:46:42,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:46:42,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:46:42,371 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:46:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:42,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:46:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:42,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363083385] [2020-11-29 22:46:42,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:46:42,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-29 22:46:42,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239015383] [2020-11-29 22:46:42,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:46:42,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:46:42,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:46:42,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:46:42,448 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 6 states. [2020-11-29 22:46:42,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:46:42,583 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-11-29 22:46:42,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:46:42,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-29 22:46:42,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:46:42,584 INFO L225 Difference]: With dead ends: 31 [2020-11-29 22:46:42,585 INFO L226 Difference]: Without dead ends: 25 [2020-11-29 22:46:42,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:46:42,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-29 22:46:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-29 22:46:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-29 22:46:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-11-29 22:46:42,589 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-11-29 22:46:42,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:46:42,589 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-11-29 22:46:42,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:46:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-11-29 22:46:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:46:42,590 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:46:42,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:46:42,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 22:46:42,803 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-11-29 22:46:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:46:42,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1254054753, now seen corresponding path program 1 times [2020-11-29 22:46:42,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:46:42,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533977392] [2020-11-29 22:46:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-29 22:46:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:46:42,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:46:42,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:46:43,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:46:43,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:46:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:43,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:46:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:46:43,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533977392] [2020-11-29 22:46:43,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:46:43,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-11-29 22:46:43,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672631169] [2020-11-29 22:46:43,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:46:43,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:46:43,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:46:43,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:46:43,112 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 5 states. [2020-11-29 22:46:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:46:43,238 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-11-29 22:46:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:46:43,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-29 22:46:43,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:46:43,239 INFO L225 Difference]: With dead ends: 25 [2020-11-29 22:46:43,239 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:46:43,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:46:43,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:46:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:46:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:46:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:46:43,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-29 22:46:43,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:46:43,241 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:46:43,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:46:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:46:43,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:46:43,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 22:46:43,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:46:43,448 INFO L274 CegarLoopResult]: For program point L2-1(line 981) no Hoare annotation was computed. [2020-11-29 22:46:43,448 INFO L274 CegarLoopResult]: For program point L2-2(line 988) no Hoare annotation was computed. [2020-11-29 22:46:43,448 INFO L274 CegarLoopResult]: For program point L2-3(line 997) no Hoare annotation was computed. [2020-11-29 22:46:43,448 INFO L274 CegarLoopResult]: For program point L2-4(line 1004) no Hoare annotation was computed. [2020-11-29 22:46:43,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,452 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 22:46:43,452 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 22:46:43,452 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-11-29 22:46:43,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:46:43,453 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-11-29 22:46:43,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:46:43,453 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-11-29 22:46:43,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,453 INFO L274 CegarLoopResult]: For program point L988-1(lines 968 1005) no Hoare annotation was computed. [2020-11-29 22:46:43,453 INFO L274 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,454 INFO L274 CegarLoopResult]: For program point L997-1(lines 968 1005) no Hoare annotation was computed. [2020-11-29 22:46:43,454 INFO L274 CegarLoopResult]: For program point L964-2(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,454 INFO L274 CegarLoopResult]: For program point L964-3(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,454 INFO L274 CegarLoopResult]: For program point L964-4(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,455 INFO L274 CegarLoopResult]: For program point L964-6(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,455 INFO L274 CegarLoopResult]: For program point L964-7(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L964-8(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L989-1(lines 968 1005) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L964-10(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L964-11(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L964-12(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L964-14(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L964-15(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,456 INFO L274 CegarLoopResult]: For program point L981-1(lines 968 1005) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L964-16(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L964-18(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L964-19(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L964-20(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L964-22(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L964-23(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L973-1(lines 968 1005) no Hoare annotation was computed. [2020-11-29 22:46:43,457 INFO L274 CegarLoopResult]: For program point L964-24(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,458 INFO L274 CegarLoopResult]: For program point L964-26(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,458 INFO L274 CegarLoopResult]: For program point L964-27(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,458 INFO L274 CegarLoopResult]: For program point L964-28(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,458 INFO L274 CegarLoopResult]: For program point L964-30(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,458 INFO L274 CegarLoopResult]: For program point L964-31(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,458 INFO L274 CegarLoopResult]: For program point L998-1(line 998) no Hoare annotation was computed. [2020-11-29 22:46:43,458 INFO L274 CegarLoopResult]: For program point L964-32(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L964-34(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L964-35(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L964-36(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L964-38(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L990-1(line 990) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L964-39(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,459 INFO L274 CegarLoopResult]: For program point L964-40(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,460 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,460 INFO L274 CegarLoopResult]: For program point L964-42(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,460 INFO L274 CegarLoopResult]: For program point L964-43(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,460 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,461 INFO L274 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-11-29 22:46:43,461 INFO L274 CegarLoopResult]: For program point L974-1(lines 968 1005) no Hoare annotation was computed. [2020-11-29 22:46:43,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:46:43,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,461 INFO L274 CegarLoopResult]: For program point L975-1(line 975) no Hoare annotation was computed. [2020-11-29 22:46:43,461 INFO L274 CegarLoopResult]: For program point L967(lines 967 1005) no Hoare annotation was computed. [2020-11-29 22:46:43,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,462 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 22:46:43,463 INFO L274 CegarLoopResult]: For program point L2(line 973) no Hoare annotation was computed. [2020-11-29 22:46:43,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:46:43 BoogieIcfgContainer [2020-11-29 22:46:43,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:46:43,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:46:43,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:46:43,477 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:46:43,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:46:39" (3/4) ... [2020-11-29 22:46:43,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:46:43,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-29 22:46:43,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:46:43,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:46:43,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:46:43,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b4a9428a-e56e-46b5-ae2a-a0588022199d/bin/uautomizer/witness.graphml [2020-11-29 22:46:43,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:46:43,617 INFO L168 Benchmark]: Toolchain (without parser) took 7004.09 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.2 MB in the beginning and 27.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:43,618 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:46:43,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1548.78 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 41.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:43,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.24 ms. Allocated memory is still 69.2 MB. Free memory was 41.1 MB in the beginning and 37.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:43,620 INFO L168 Benchmark]: Boogie Preprocessor took 36.64 ms. Allocated memory is still 69.2 MB. Free memory was 37.9 MB in the beginning and 36.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:43,625 INFO L168 Benchmark]: RCFGBuilder took 730.40 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 43.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:43,626 INFO L168 Benchmark]: TraceAbstraction took 4430.91 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 33.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:43,626 INFO L168 Benchmark]: Witness Printer took 138.56 ms. Allocated memory is still 83.9 MB. Free memory was 33.0 MB in the beginning and 27.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:46:43,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1548.78 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 41.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.24 ms. Allocated memory is still 69.2 MB. Free memory was 41.1 MB in the beginning and 37.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.64 ms. Allocated memory is still 69.2 MB. Free memory was 37.9 MB in the beginning and 36.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 730.40 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 43.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4430.91 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 33.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Witness Printer took 138.56 ms. Allocated memory is still 83.9 MB. Free memory was 33.0 MB in the beginning and 27.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: 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, 69 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 201 SDtfs, 114 SDslu, 202 SDs, 0 SdLazy, 89 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 6 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 4890 SizeOfPredicates, 15 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...