./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/isless.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isless.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a --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 734330b17608a1e9cf1e607c0dd4f4ecbc41b572dedb33306934cad58481b50e --- 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-b5237d8 [2022-11-21 09:12:28,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:12:28,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:12:28,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:12:28,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:12:28,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:12:29,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:12:29,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:12:29,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:12:29,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:12:29,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:12:29,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:12:29,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:12:29,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:12:29,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:12:29,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:12:29,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:12:29,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:12:29,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:12:29,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:12:29,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:12:29,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:12:29,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:12:29,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:12:29,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:12:29,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:12:29,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:12:29,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:12:29,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:12:29,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:12:29,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:12:29,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:12:29,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:12:29,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:12:29,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:12:29,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:12:29,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:12:29,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:12:29,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:12:29,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:12:29,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:12:29,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 09:12:29,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:12:29,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:12:29,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:12:29,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:12:29,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:12:29,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:12:29,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:12:29,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:12:29,115 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:12:29,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:12:29,116 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:12:29,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:12:29,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:12:29,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:12:29,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:12:29,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:12:29,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:12:29,118 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:12:29,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:12:29,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:12:29,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:12:29,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:12:29,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:12:29,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:12:29,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:12:29,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:12:29,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:12:29,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:12:29,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:12:29,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:12:29,122 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:12:29,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:12:29,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:12:29,123 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_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 734330b17608a1e9cf1e607c0dd4f4ecbc41b572dedb33306934cad58481b50e [2022-11-21 09:12:29,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:12:29,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:12:29,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:12:29,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:12:29,435 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:12:29,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/floats-esbmc-regression/isless.i [2022-11-21 09:12:32,499 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:12:32,765 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:12:32,766 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/sv-benchmarks/c/floats-esbmc-regression/isless.i [2022-11-21 09:12:32,781 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data/03420566a/e2c7b8894c89428f87f9b729f0105ead/FLAG39f72cdf0 [2022-11-21 09:12:32,796 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data/03420566a/e2c7b8894c89428f87f9b729f0105ead [2022-11-21 09:12:32,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:12:32,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:12:32,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:12:32,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:12:32,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:12:32,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:32" (1/1) ... [2022-11-21 09:12:32,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b598fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:32, skipping insertion in model container [2022-11-21 09:12:32,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:32" (1/1) ... [2022-11-21 09:12:32,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:12:32,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:12:33,462 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_f5e40122-9061-4419-9596-2b23857b0c1c/sv-benchmarks/c/floats-esbmc-regression/isless.i[36281,36294] [2022-11-21 09:12:33,474 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2043) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$63(StandardFunctionHandler.java:430) 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:2446) 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:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:2110) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$68(StandardFunctionHandler.java:437) 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:2446) 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: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) [2022-11-21 09:12:33,484 INFO L158 Benchmark]: Toolchain (without parser) took 682.00ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 107.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:12:33,486 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:12:33,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.57ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 107.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:12:33,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.57ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 107.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:789) 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isless.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a --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 734330b17608a1e9cf1e607c0dd4f4ecbc41b572dedb33306934cad58481b50e --- 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-b5237d8 [2022-11-21 09:12:35,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:12:35,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:12:35,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:12:35,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:12:35,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:12:35,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:12:35,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:12:35,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:12:35,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:12:35,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:12:35,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:12:35,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:12:35,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:12:35,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:12:35,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:12:35,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:12:35,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:12:35,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:12:35,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:12:35,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:12:35,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:12:35,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:12:36,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:12:36,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:12:36,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:12:36,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:12:36,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:12:36,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:12:36,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:12:36,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:12:36,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:12:36,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:12:36,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:12:36,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:12:36,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:12:36,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:12:36,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:12:36,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:12:36,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:12:36,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:12:36,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-21 09:12:36,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:12:36,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:12:36,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:12:36,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:12:36,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:12:36,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:12:36,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:12:36,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:12:36,082 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:12:36,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:12:36,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:12:36,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:12:36,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:12:36,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:12:36,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:12:36,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:12:36,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 09:12:36,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 09:12:36,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 09:12:36,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:12:36,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:12:36,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:12:36,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:12:36,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:12:36,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:12:36,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:12:36,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:12:36,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:12:36,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:12:36,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:12:36,090 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 09:12:36,090 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 09:12:36,090 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:12:36,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:12:36,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:12:36,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 09:12:36,092 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_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 734330b17608a1e9cf1e607c0dd4f4ecbc41b572dedb33306934cad58481b50e [2022-11-21 09:12:36,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:12:36,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:12:36,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:12:36,561 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:12:36,562 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:12:36,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/floats-esbmc-regression/isless.i [2022-11-21 09:12:39,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:12:40,038 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:12:40,038 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/sv-benchmarks/c/floats-esbmc-regression/isless.i [2022-11-21 09:12:40,050 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data/644fc05d0/13511d00d6d34182a632d8569a7bb0f1/FLAG981d16cd5 [2022-11-21 09:12:40,068 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/data/644fc05d0/13511d00d6d34182a632d8569a7bb0f1 [2022-11-21 09:12:40,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:12:40,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:12:40,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:12:40,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:12:40,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:12:40,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2605b19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40, skipping insertion in model container [2022-11-21 09:12:40,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:12:40,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:12:40,696 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_f5e40122-9061-4419-9596-2b23857b0c1c/sv-benchmarks/c/floats-esbmc-regression/isless.i[36281,36294] [2022-11-21 09:12:40,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:12:40,720 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:12:40,745 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_f5e40122-9061-4419-9596-2b23857b0c1c/sv-benchmarks/c/floats-esbmc-regression/isless.i[36281,36294] [2022-11-21 09:12:40,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:12:40,866 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:12:40,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40 WrapperNode [2022-11-21 09:12:40,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:12:40,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:12:40,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:12:40,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:12:40,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,918 INFO L138 Inliner]: procedures = 448, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-21 09:12:40,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:12:40,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:12:40,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:12:40,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:12:40,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:12:40,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:12:40,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:12:40,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:12:40,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (1/1) ... [2022-11-21 09:12:40,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:12:40,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:12:40,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:12:40,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:12:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 09:12:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 09:12:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 09:12:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:12:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:12:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:12:41,175 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:12:41,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:12:41,256 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:12:41,262 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:12:41,262 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:12:41,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:41 BoogieIcfgContainer [2022-11-21 09:12:41,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:12:41,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:12:41,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:12:41,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:12:41,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:12:40" (1/3) ... [2022-11-21 09:12:41,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f29aa3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:12:41, skipping insertion in model container [2022-11-21 09:12:41,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:40" (2/3) ... [2022-11-21 09:12:41,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f29aa3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:12:41, skipping insertion in model container [2022-11-21 09:12:41,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:41" (3/3) ... [2022-11-21 09:12:41,273 INFO L112 eAbstractionObserver]: Analyzing ICFG isless.i [2022-11-21 09:12:41,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:12:41,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:12:41,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:12:41,351 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;@568e62c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:12:41,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:12:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2022-11-21 09:12:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 09:12:41,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:12:41,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 09:12:41,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:12:41,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:41,371 INFO L85 PathProgramCache]: Analyzing trace with hash 890017146, now seen corresponding path program 1 times [2022-11-21 09:12:41,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:12:41,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941909397] [2022-11-21 09:12:41,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:41,386 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 [2022-11-21 09:12:41,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:12:41,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 09:12:41,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 09:12:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:41,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 09:12:41,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:12:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:41,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:12:41,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:12:41,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941909397] [2022-11-21 09:12:41,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941909397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:41,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:41,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:12:41,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924949399] [2022-11-21 09:12:41,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:41,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:12:41,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:12:41,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:12:41,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:12:41,779 INFO L87 Difference]: Start difference. First operand has 16 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2022-11-21 09:12:41,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:12:41,902 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2022-11-21 09:12:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:12:41,906 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 [2022-11-21 09:12:41,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:12:41,913 INFO L225 Difference]: With dead ends: 27 [2022-11-21 09:12:41,913 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 09:12:41,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:12:41,937 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 24 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 [2022-11-21 09:12:41,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 24 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 09:12:41,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 09:12:41,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 09:12:41,977 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) [2022-11-21 09:12:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 09:12:41,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-11-21 09:12:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:12:41,980 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:12:41,981 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) [2022-11-21 09:12:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 09:12:41,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 09:12:41,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 09:12:42,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 09:12:42,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 09:12:42,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 09:12:42,256 INFO L902 garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true [2022-11-21 09:12:42,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 09:12:42,257 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 09:12:42,257 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 09:12:42,258 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 09:12:42,258 INFO L902 garLoopResultBuilder]: At program point L887(lines 880 888) the Hoare annotation is: true [2022-11-21 09:12:42,258 INFO L899 garLoopResultBuilder]: For program point L885(line 885) no Hoare annotation was computed. [2022-11-21 09:12:42,258 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-21 09:12:42,260 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-11-21 09:12:42,260 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-11-21 09:12:42,261 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 878) the Hoare annotation is: true [2022-11-21 09:12:42,261 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-11-21 09:12:42,262 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-11-21 09:12:42,263 INFO L899 garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed. [2022-11-21 09:12:42,263 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed. [2022-11-21 09:12:42,263 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2022-11-21 09:12:42,271 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 09:12:42,275 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:12:42,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:12:42 BoogieIcfgContainer [2022-11-21 09:12:42,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:12:42,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:12:42,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:12:42,288 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:12:42,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:41" (3/4) ... [2022-11-21 09:12:42,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:12:42,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-21 09:12:42,306 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 09:12:42,306 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 09:12:42,306 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:12:42,307 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:12:42,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:12:42,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:12:42,357 INFO L158 Benchmark]: Toolchain (without parser) took 2284.43ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 42.9MB in the beginning and 54.9MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:12:42,359 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:12:42,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.11ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 34.7MB in the end (delta: 8.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-11-21 09:12:42,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.98ms. Allocated memory is still 71.3MB. Free memory was 34.7MB in the beginning and 32.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:12:42,360 INFO L158 Benchmark]: Boogie Preprocessor took 24.38ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:12:42,362 INFO L158 Benchmark]: RCFGBuilder took 319.97ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 41.2MB in the end (delta: -10.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-21 09:12:42,362 INFO L158 Benchmark]: TraceAbstraction took 1019.51ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 40.5MB in the beginning and 57.4MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:12:42,363 INFO L158 Benchmark]: Witness Printer took 68.22ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 54.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:12:42,370 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 52.4MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.11ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 34.7MB in the end (delta: 8.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.98ms. Allocated memory is still 71.3MB. Free memory was 34.7MB in the beginning and 32.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.38ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.97ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 41.2MB in the end (delta: -10.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1019.51ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 40.5MB in the beginning and 57.4MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.22ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 54.9MB in the end (delta: 2.5MB). 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 6 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 6 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 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, 20 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 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 09:12:42,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e40122-9061-4419-9596-2b23857b0c1c/bin/uautomizer-vX5HgA9Q3a/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