./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN --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 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:09:45,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:09:45,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:09:45,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:09:45,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:09:45,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:09:45,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:09:45,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:09:45,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:09:45,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:09:45,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:09:45,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:09:45,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:09:45,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:09:45,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:09:45,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:09:45,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:09:45,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:09:45,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:09:45,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:09:45,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:09:45,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:09:45,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:09:45,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:09:45,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:09:45,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:09:45,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:09:45,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:09:45,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:09:45,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:09:45,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:09:45,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:09:45,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:09:45,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:09:45,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:09:45,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:09:45,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:09:45,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:09:45,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:09:45,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:09:45,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:09:45,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:09:45,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:09:45,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:09:45,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:09:45,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:09:45,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:09:45,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:09:45,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:09:45,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:09:45,349 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:09:45,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:09:45,351 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:09:45,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:09:45,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:09:45,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:09:45,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:09:45,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:09:45,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:09:45,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:09:45,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:09:45,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:09:45,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:09:45,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:09:45,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:09:45,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:09:45,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:09:45,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:09:45,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:09:45,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:09:45,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:09:45,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:09:45,355 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:09:45,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:09:45,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:09:45,356 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_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 [2022-11-20 12:09:45,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:09:45,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:09:45,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:09:45,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:09:45,656 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:09:45,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-11-20 12:09:48,923 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:09:49,265 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:09:49,288 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-11-20 12:09:49,310 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data/a950e4185/7aee54e5229a41cca7cf534fddde8f2d/FLAG535fd2ee3 [2022-11-20 12:09:49,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data/a950e4185/7aee54e5229a41cca7cf534fddde8f2d [2022-11-20 12:09:49,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:09:49,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:09:49,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:09:49,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:09:49,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:09:49,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:09:49" (1/1) ... [2022-11-20 12:09:49,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e08f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:49, skipping insertion in model container [2022-11-20 12:09:49,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:09:49" (1/1) ... [2022-11-20 12:09:49,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:09:49,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:09:49,979 WARN L237 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_ba5f1e89-288d-448c-9356-1a57aa382136/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2022-11-20 12:09:49,988 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:807) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:2047) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) 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:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) 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:1469) 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:1413) 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:1087) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 12:09:50,001 INFO L158 Benchmark]: Toolchain (without parser) took 666.95ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 123.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:09:50,003 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:09:50,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.38ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 123.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:09:50,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.38ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 123.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:807) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN --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 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:09:52,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:09:52,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:09:52,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:09:52,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:09:52,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:09:52,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:09:52,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:09:52,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:09:52,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:09:52,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:09:52,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:09:52,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:09:52,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:09:52,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:09:52,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:09:52,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:09:52,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:09:52,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:09:52,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:09:52,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:09:52,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:09:52,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:09:52,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:09:52,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:09:52,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:09:52,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:09:52,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:09:52,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:09:52,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:09:52,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:09:52,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:09:52,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:09:52,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:09:52,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:09:52,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:09:52,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:09:52,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:09:52,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:09:52,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:09:52,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:09:52,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 12:09:52,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:09:52,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:09:52,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:09:52,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:09:52,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:09:52,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:09:52,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:09:52,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:09:52,504 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:09:52,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:09:52,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:09:52,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:09:52,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:09:52,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:09:52,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:09:52,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:09:52,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:09:52,507 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:09:52,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:09:52,507 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:09:52,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:09:52,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:09:52,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:09:52,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:09:52,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:09:52,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:09:52,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:09:52,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:09:52,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:09:52,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:09:52,510 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:09:52,510 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:09:52,511 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:09:52,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:09:52,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:09:52,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:09:52,512 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_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 [2022-11-20 12:09:52,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:09:52,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:09:52,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:09:52,946 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:09:52,946 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:09:52,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-11-20 12:09:56,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:09:56,373 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:09:56,374 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-11-20 12:09:56,386 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data/6656be162/f6b79ec186a94e64924add6811b0da14/FLAG4ec00e9a8 [2022-11-20 12:09:56,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/data/6656be162/f6b79ec186a94e64924add6811b0da14 [2022-11-20 12:09:56,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:09:56,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:09:56,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:09:56,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:09:56,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:09:56,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:09:56" (1/1) ... [2022-11-20 12:09:56,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1777284c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:56, skipping insertion in model container [2022-11-20 12:09:56,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:09:56" (1/1) ... [2022-11-20 12:09:56,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:09:56,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:09:57,043 WARN L237 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_ba5f1e89-288d-448c-9356-1a57aa382136/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2022-11-20 12:09:57,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:09:57,070 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:09:57,094 WARN L237 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_ba5f1e89-288d-448c-9356-1a57aa382136/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2022-11-20 12:09:57,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:09:57,274 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:09:57,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57 WrapperNode [2022-11-20 12:09:57,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:09:57,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:09:57,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:09:57,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:09:57,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,325 INFO L138 Inliner]: procedures = 448, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-20 12:09:57,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:09:57,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:09:57,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:09:57,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:09:57,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:09:57,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:09:57,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:09:57,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:09:57,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (1/1) ... [2022-11-20 12:09:57,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:09:57,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:09:57,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:09:57,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:09:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:09:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 12:09:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 12:09:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:09:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:09:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:09:57,584 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:09:57,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:09:57,674 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:09:57,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:09:57,682 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:09:57,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:09:57 BoogieIcfgContainer [2022-11-20 12:09:57,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:09:57,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:09:57,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:09:57,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:09:57,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:09:56" (1/3) ... [2022-11-20 12:09:57,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe89a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:09:57, skipping insertion in model container [2022-11-20 12:09:57,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:09:57" (2/3) ... [2022-11-20 12:09:57,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe89a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:09:57, skipping insertion in model container [2022-11-20 12:09:57,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:09:57" (3/3) ... [2022-11-20 12:09:57,695 INFO L112 eAbstractionObserver]: Analyzing ICFG fmax.i [2022-11-20 12:09:57,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:09:57,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:09:57,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:09:57,781 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@790348f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:09:57,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:09:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:09:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 12:09:57,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:09:57,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:09:57,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:09:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:09:57,802 INFO L85 PathProgramCache]: Analyzing trace with hash 889986362, now seen corresponding path program 1 times [2022-11-20 12:09:57,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:09:57,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541170641] [2022-11-20 12:09:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:09:57,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:09:57,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:09:57,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:09:57,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:09:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:09:57,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:09:57,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:09:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:09:58,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:09:58,089 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:09:58,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541170641] [2022-11-20 12:09:58,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541170641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:09:58,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:09:58,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:09:58,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593302162] [2022-11-20 12:09:58,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:09:58,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:09:58,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:09:58,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:09:58,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:09:58,182 INFO L87 Difference]: Start difference. First operand has 15 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:09:58,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:09:58,347 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2022-11-20 12:09:58,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:09:58,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 12:09:58,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:09:58,364 INFO L225 Difference]: With dead ends: 25 [2022-11-20 12:09:58,365 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:09:58,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:09:58,376 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:09:58,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:09:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:09:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:09:58,404 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) [2022-11-20 12:09:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:09:58,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-11-20 12:09:58,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:09:58,406 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:09:58,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:09:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:09:58,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:09:58,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:09:58,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:09:58,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:09:58,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:09:58,658 INFO L902 garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true [2022-11-20 12:09:58,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:09:58,671 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:09:58,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:09:58,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:09:58,672 INFO L899 garLoopResultBuilder]: For program point L885(lines 880 886) no Hoare annotation was computed. [2022-11-20 12:09:58,672 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-20 12:09:58,672 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-11-20 12:09:58,672 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-11-20 12:09:58,673 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 878) the Hoare annotation is: true [2022-11-20 12:09:58,673 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-11-20 12:09:58,673 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-11-20 12:09:58,673 INFO L899 garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed. [2022-11-20 12:09:58,673 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed. [2022-11-20 12:09:58,674 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2022-11-20 12:09:58,677 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 12:09:58,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:09:58,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:09:58 BoogieIcfgContainer [2022-11-20 12:09:58,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:09:58,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:09:58,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:09:58,690 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:09:58,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:09:57" (3/4) ... [2022-11-20 12:09:58,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:09:58,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-20 12:09:58,711 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 12:09:58,711 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:09:58,712 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:09:58,712 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:09:58,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:09:58,768 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:09:58,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:09:58,771 INFO L158 Benchmark]: Toolchain (without parser) took 2363.75ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 57.1MB in the beginning and 46.1MB in the end (delta: 11.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-11-20 12:09:58,773 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 79.7MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:09:58,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.25ms. Allocated memory is still 79.7MB. Free memory was 56.9MB in the beginning and 38.6MB in the end (delta: 18.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-11-20 12:09:58,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 79.7MB. Free memory was 38.6MB in the beginning and 36.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:09:58,777 INFO L158 Benchmark]: Boogie Preprocessor took 29.78ms. Allocated memory is still 79.7MB. Free memory was 36.2MB in the beginning and 34.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:09:58,780 INFO L158 Benchmark]: RCFGBuilder took 326.84ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 73.9MB in the end (delta: -39.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-11-20 12:09:58,781 INFO L158 Benchmark]: TraceAbstraction took 1000.37ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 48.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 12:09:58,781 INFO L158 Benchmark]: Witness Printer took 82.98ms. Allocated memory is still 100.7MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:09:58,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 79.7MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.25ms. Allocated memory is still 79.7MB. Free memory was 56.9MB in the beginning and 38.6MB in the end (delta: 18.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 79.7MB. Free memory was 38.6MB in the beginning and 36.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.78ms. Allocated memory is still 79.7MB. Free memory was 36.2MB in the beginning and 34.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.84ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 73.9MB in the end (delta: -39.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1000.37ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 48.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 82.98ms. Allocated memory is still 100.7MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: 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 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 14 NumberOfFragments, 5 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 2 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-11-20 12:09:58,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5f1e89-288d-448c-9356-1a57aa382136/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE