./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be --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 b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 ........................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be --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 b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:09:44,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:09:44,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:09:44,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:09:44,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:09:44,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:09:44,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:09:44,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:09:45,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:09:45,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:09:45,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:09:45,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:09:45,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:09:45,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:09:45,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:09:45,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:09:45,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:09:45,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:09:45,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:09:45,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:09:45,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:09:45,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:09:45,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:09:45,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:09:45,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:09:45,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:09:45,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:09:45,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:09:45,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:09:45,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:09:45,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:09:45,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:09:45,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:09:45,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:09:45,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:09:45,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:09:45,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:09:45,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:09:45,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:09:45,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:09:45,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:09:45,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:09:45,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:09:45,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:09:45,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:09:45,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:09:45,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:09:45,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:09:45,144 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:09:45,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:09:45,145 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:09:45,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:09:45,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:09:45,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:09:45,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:09:45,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:09:45,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:09:45,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:09:45,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:09:45,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:09:45,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:09:45,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:09:45,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:09:45,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:09:45,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:09:45,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:09:45,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:09:45,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:09:45,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:09:45,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:09:45,154 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:09:45,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:09:45,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:09:45,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:09:45,158 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_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 [2021-10-21 20:09:45,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:09:45,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:09:45,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:09:45,528 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:09:45,529 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:09:45,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-21 20:09:45,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/d3640b7cf/db652834dd1340fc8d08f18e1c6f10f6/FLAG8d694c9f9 [2021-10-21 20:09:46,276 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:09:46,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-21 20:09:46,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/d3640b7cf/db652834dd1340fc8d08f18e1c6f10f6/FLAG8d694c9f9 [2021-10-21 20:09:46,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/d3640b7cf/db652834dd1340fc8d08f18e1c6f10f6 [2021-10-21 20:09:46,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:09:46,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:09:46,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:46,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:09:46,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:09:46,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:46" (1/1) ... [2021-10-21 20:09:46,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6704cf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:46, skipping insertion in model container [2021-10-21 20:09:46,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:46" (1/1) ... [2021-10-21 20:09:46,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:09:46,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:09:47,358 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: finite 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:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) 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:1087) 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:2349) 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:1415) 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:1359) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2021-10-21 20:09:47,365 INFO L168 Benchmark]: Toolchain (without parser) took 831.69 ms. Allocated memory is still 94.4 MB. Free memory was 58.3 MB in the beginning and 69.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:47,367 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:47,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.43 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 69.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:47,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 828.43 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 69.2 MB in the end (delta: -11.2 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: finite de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite: 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 0.2.1-dev-e943c26 [2021-10-21 20:09:50,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:09:50,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:09:50,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:09:50,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:09:50,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:09:50,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:09:50,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:09:50,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:09:50,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:09:50,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:09:50,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:09:50,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:09:50,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:09:50,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:09:50,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:09:50,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:09:50,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:09:50,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:09:50,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:09:50,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:09:50,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:09:50,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:09:50,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:09:50,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:09:50,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:09:50,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:09:50,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:09:50,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:09:50,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:09:50,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:09:50,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:09:50,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:09:50,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:09:50,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:09:50,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:09:50,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:09:50,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:09:50,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:09:50,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:09:50,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:09:50,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:09:50,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:09:50,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:09:50,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:09:50,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:09:50,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:09:50,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:09:50,539 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:09:50,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:09:50,539 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:09:50,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:09:50,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:09:50,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:09:50,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:09:50,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:09:50,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:09:50,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:09:50,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:09:50,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:09:50,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:09:50,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:09:50,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:09:50,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:09:50,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:09:50,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:09:50,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:09:50,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:09:50,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:09:50,546 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:09:50,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:09:50,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:09:50,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:09:50,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:09:50,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:09:50,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:09:50,548 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_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 [2021-10-21 20:09:51,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:09:51,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:09:51,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:09:51,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:09:51,091 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:09:51,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-21 20:09:51,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/4c89a3ee7/1cd4306c515446b59da8a337f94c649d/FLAG814a96431 [2021-10-21 20:09:52,102 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:09:52,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-21 20:09:52,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/4c89a3ee7/1cd4306c515446b59da8a337f94c649d/FLAG814a96431 [2021-10-21 20:09:52,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/data/4c89a3ee7/1cd4306c515446b59da8a337f94c649d [2021-10-21 20:09:52,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:09:52,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:09:52,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:52,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:09:52,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:09:52,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:52" (1/1) ... [2021-10-21 20:09:52,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ecfd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:52, skipping insertion in model container [2021-10-21 20:09:52,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:52" (1/1) ... [2021-10-21 20:09:52,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:09:52,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:09:53,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/sv-benchmarks/c/floats-cbmc-regression/float8.i[40985,40998] [2021-10-21 20:09:53,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:53,165 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:09:53,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/sv-benchmarks/c/floats-cbmc-regression/float8.i[40985,40998] [2021-10-21 20:09:53,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:53,398 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:09:53,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53 WrapperNode [2021-10-21 20:09:53,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:53,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:53,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:09:53,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:09:53,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:53,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:09:53,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:09:53,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:09:53,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:09:53,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:09:53,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:09:53,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:09:53,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (1/1) ... [2021-10-21 20:09:53,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:09:53,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:53,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:53,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:09:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:09:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:09:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:09:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:09:53,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:09:53,911 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 20:09:53,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:53 BoogieIcfgContainer [2021-10-21 20:09:53,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:09:53,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:09:53,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:09:53,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:09:53,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:09:52" (1/3) ... [2021-10-21 20:09:53,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c637b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:09:53, skipping insertion in model container [2021-10-21 20:09:53,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:53" (2/3) ... [2021-10-21 20:09:53,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c637b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:09:53, skipping insertion in model container [2021-10-21 20:09:53,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:53" (3/3) ... [2021-10-21 20:09:53,940 INFO L111 eAbstractionObserver]: Analyzing ICFG float8.i [2021-10-21 20:09:53,963 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:09:53,963 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:09:54,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:09:54,048 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:09:54,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:09:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-21 20:09:54,073 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:09:54,074 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:09:54,075 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:09:54,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:54,082 INFO L82 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-10-21 20:09:54,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:09:54,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296323770] [2021-10-21 20:09:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:54,099 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:09:54,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:09:54,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:09:54,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:09:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:54,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 20:09:54,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:54,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:09:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:54,517 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:09:54,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296323770] [2021-10-21 20:09:54,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296323770] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:54,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:54,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 20:09:54,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724038943] [2021-10-21 20:09:54,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:09:54,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:09:54,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:09:54,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:09:54,568 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:54,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:54,583 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2021-10-21 20:09:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:09:54,586 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-21 20:09:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:09:54,597 INFO L225 Difference]: With dead ends: 17 [2021-10-21 20:09:54,597 INFO L226 Difference]: Without dead ends: 7 [2021-10-21 20:09:54,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:09:54,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-21 20:09:54,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-21 20:09:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-10-21 20:09:54,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-10-21 20:09:54,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:09:54,637 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-10-21 20:09:54,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-10-21 20:09:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-21 20:09:54,638 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:09:54,639 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:09:54,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:54,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:09:54,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:09:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:54,859 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-10-21 20:09:54,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:09:54,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997416635] [2021-10-21 20:09:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:54,861 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:09:54,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:09:54,867 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:09:54,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:09:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:55,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:09:55,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:56,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:09:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:56,682 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:09:56,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997416635] [2021-10-21 20:09:56,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997416635] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:56,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:56,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-10-21 20:09:56,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421156182] [2021-10-21 20:09:56,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:09:56,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:09:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:09:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:09:56,688 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:57,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:57,038 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2021-10-21 20:09:57,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:09:57,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-21 20:09:57,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:09:57,039 INFO L225 Difference]: With dead ends: 7 [2021-10-21 20:09:57,039 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:09:57,040 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 547.7ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:09:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:09:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:09:57,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:09:57,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-21 20:09:57,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:09:57,042 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:09:57,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:09:57,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:09:57,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:09:57,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:57,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:09:57,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:09:57,267 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:09:57,267 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:09:57,273 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:09:57,274 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:09:57,274 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 973) no Hoare annotation was computed. [2021-10-21 20:09:57,274 INFO L857 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2021-10-21 20:09:57,274 INFO L857 garLoopResultBuilder]: For program point L973-1(line 973) no Hoare annotation was computed. [2021-10-21 20:09:57,275 INFO L857 garLoopResultBuilder]: For program point L966(lines 966 974) no Hoare annotation was computed. [2021-10-21 20:09:57,275 INFO L857 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-10-21 20:09:57,275 INFO L857 garLoopResultBuilder]: For program point L2(lines 2 4) no Hoare annotation was computed. [2021-10-21 20:09:57,281 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:09:57,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:09:57 BoogieIcfgContainer [2021-10-21 20:09:57,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:09:57,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:09:57,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:09:57,291 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:09:57,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:53" (3/4) ... [2021-10-21 20:09:57,299 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:09:57,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 20:09:57,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:09:57,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:09:57,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:09:57,360 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:09:57,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:09:57,362 INFO L168 Benchmark]: Toolchain (without parser) took 5023.70 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.4 MB in the beginning and 35.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:57,363 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:57,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1059.52 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.3 MB in the beginning and 37.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:57,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.55 ms. Allocated memory is still 75.5 MB. Free memory was 37.7 MB in the beginning and 35.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:57,365 INFO L168 Benchmark]: Boogie Preprocessor took 31.46 ms. Allocated memory is still 75.5 MB. Free memory was 35.2 MB in the beginning and 34.3 MB in the end (delta: 880.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:57,366 INFO L168 Benchmark]: RCFGBuilder took 425.63 ms. Allocated memory is still 75.5 MB. Free memory was 33.9 MB in the beginning and 53.1 MB in the end (delta: -19.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:57,366 INFO L168 Benchmark]: TraceAbstraction took 3355.26 ms. Allocated memory is still 75.5 MB. Free memory was 52.6 MB in the beginning and 37.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:57,367 INFO L168 Benchmark]: Witness Printer took 69.74 ms. Allocated memory is still 75.5 MB. Free memory was 37.2 MB in the beginning and 35.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:57,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1059.52 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.3 MB in the beginning and 37.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.55 ms. Allocated memory is still 75.5 MB. Free memory was 37.7 MB in the beginning and 35.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.46 ms. Allocated memory is still 75.5 MB. Free memory was 35.2 MB in the beginning and 34.3 MB in the end (delta: 880.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 425.63 ms. Allocated memory is still 75.5 MB. Free memory was 33.9 MB in the beginning and 53.1 MB in the end (delta: -19.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3355.26 ms. Allocated memory is still 75.5 MB. Free memory was 52.6 MB in the beginning and 37.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Witness Printer took 69.74 ms. Allocated memory is still 75.5 MB. Free memory was 37.2 MB in the beginning and 35.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 973]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3243.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.7ms, AutomataDifference: 421.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5.8ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 115.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 547.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 18.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0ms HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 27.2ms SsaConstructionTime, 1134.1ms SatisfiabilityAnalysisTime, 936.9ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 6 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-21 20:09:57,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803650cb-a678-4a5d-96af-5487a9931743/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...