./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 .......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:37:03,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:37:03,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:37:03,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:37:03,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:37:03,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:37:03,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:37:03,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:37:03,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:37:03,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:37:03,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:37:03,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:37:03,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:37:03,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:37:03,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:37:03,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:37:03,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:37:03,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:37:04,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:37:04,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:37:04,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:37:04,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:37:04,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:37:04,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:37:04,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:37:04,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:37:04,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:37:04,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:37:04,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:37:04,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:37:04,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:37:04,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:37:04,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:37:04,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:37:04,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:37:04,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:37:04,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:37:04,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:37:04,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:37:04,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:37:04,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:37:04,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:37:04,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:37:04,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:37:04,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:37:04,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:37:04,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:37:04,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:37:04,100 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:37:04,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:37:04,100 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:37:04,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:37:04,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:37:04,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:37:04,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:37:04,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:37:04,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:37:04,102 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:37:04,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:37:04,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:37:04,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:37:04,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:37:04,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:37:04,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:37:04,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:37:04,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:37:04,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:37:04,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:37:04,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:37:04,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:37:04,104 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:37:04,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:37:04,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:37:04,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:37:04,105 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_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 [2021-10-21 19:37:04,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:37:04,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:37:04,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:37:04,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:37:04,395 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:37:04,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-10-21 19:37:04,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/6b66d77cc/f1ada9bb16d34085bf9688604195916e/FLAG451f9e783 [2021-10-21 19:37:04,985 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:37:04,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-10-21 19:37:04,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/6b66d77cc/f1ada9bb16d34085bf9688604195916e/FLAG451f9e783 [2021-10-21 19:37:05,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/6b66d77cc/f1ada9bb16d34085bf9688604195916e [2021-10-21 19:37:05,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:37:05,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:37:05,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:37:05,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:37:05,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:37:05,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:37:05" (1/1) ... [2021-10-21 19:37:05,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e1b7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:05, skipping insertion in model container [2021-10-21 19:37:05,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:37:05" (1/1) ... [2021-10-21 19:37:05,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:37:05,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:37:05,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2021-10-21 19:37:05,976 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:712) 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:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-21 19:37:05,982 INFO L168 Benchmark]: Toolchain (without parser) took 693.02 ms. Allocated memory is still 113.2 MB. Free memory was 71.8 MB in the beginning and 87.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:05,983 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 113.2 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:37:05,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.33 ms. Allocated memory is still 113.2 MB. Free memory was 71.6 MB in the beginning and 87.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:05,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 113.2 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 689.33 ms. Allocated memory is still 113.2 MB. Free memory was 71.6 MB in the beginning and 87.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:37:08,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:37:08,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:37:08,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:37:08,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:37:08,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:37:08,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:37:08,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:37:08,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:37:08,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:37:08,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:37:08,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:37:08,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:37:08,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:37:08,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:37:08,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:37:08,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:37:08,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:37:08,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:37:08,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:37:08,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:37:08,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:37:08,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:37:08,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:37:08,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:37:08,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:37:08,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:37:08,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:37:08,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:37:08,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:37:08,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:37:08,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:37:08,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:37:08,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:37:08,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:37:08,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:37:08,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:37:08,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:37:08,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:37:08,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:37:08,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:37:08,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:37:08,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:37:08,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:37:08,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:37:08,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:37:08,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:37:08,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:37:08,370 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:37:08,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:37:08,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:37:08,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:37:08,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:37:08,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:37:08,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:37:08,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:37:08,373 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:37:08,373 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:37:08,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:37:08,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:37:08,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:37:08,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:37:08,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:37:08,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:37:08,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:37:08,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:37:08,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:37:08,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:37:08,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:37:08,375 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:37:08,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:37:08,376 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:37:08,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:37:08,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:37:08,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:37:08,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:37:08,377 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_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 [2021-10-21 19:37:08,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:37:08,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:37:08,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:37:08,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:37:08,770 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:37:08,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-10-21 19:37:08,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/8c247b3ed/4d9d247c72c2436a92a973c1cdbc1cfe/FLAG8240142a2 [2021-10-21 19:37:09,433 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:37:09,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-10-21 19:37:09,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/8c247b3ed/4d9d247c72c2436a92a973c1cdbc1cfe/FLAG8240142a2 [2021-10-21 19:37:09,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/data/8c247b3ed/4d9d247c72c2436a92a973c1cdbc1cfe [2021-10-21 19:37:09,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:37:09,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:37:09,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:37:09,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:37:09,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:37:09,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:37:09" (1/1) ... [2021-10-21 19:37:09,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62638f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:09, skipping insertion in model container [2021-10-21 19:37:09,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:37:09" (1/1) ... [2021-10-21 19:37:09,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:37:09,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:37:10,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2021-10-21 19:37:10,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:37:10,384 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:37:10,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2021-10-21 19:37:10,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:37:10,617 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:37:10,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10 WrapperNode [2021-10-21 19:37:10,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:37:10,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:37:10,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:37:10,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:37:10,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:37:10,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:37:10,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:37:10,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:37:10,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:37:10,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:37:10,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:37:10,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:37:10,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (1/1) ... [2021-10-21 19:37:10,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:37:10,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:37:10,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:37:10,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:37:10,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:37:10,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:37:10,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:37:10,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:37:11,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:37:11,118 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-21 19:37:11,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:37:11 BoogieIcfgContainer [2021-10-21 19:37:11,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:37:11,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:37:11,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:37:11,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:37:11,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:37:09" (1/3) ... [2021-10-21 19:37:11,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc601b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:37:11, skipping insertion in model container [2021-10-21 19:37:11,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:10" (2/3) ... [2021-10-21 19:37:11,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc601b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:37:11, skipping insertion in model container [2021-10-21 19:37:11,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:37:11" (3/3) ... [2021-10-21 19:37:11,127 INFO L111 eAbstractionObserver]: Analyzing ICFG fabs.i [2021-10-21 19:37:11,132 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:37:11,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-21 19:37:11,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:37:11,230 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:37:11,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-21 19:37:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:37:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:37:11,262 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:37:11,263 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:37:11,263 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-21 19:37:11,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:37:11,274 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-21 19:37:11,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:37:11,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942927297] [2021-10-21 19:37:11,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:37:11,287 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:37:11,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:37:11,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:37:11,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:37:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:37:11,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:37:11,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:37:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:37:11,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:37:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:37:11,505 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:37:11,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942927297] [2021-10-21 19:37:11,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942927297] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:37:11,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:37:11,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-21 19:37:11,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408352038] [2021-10-21 19:37:11,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:37:11,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:37:11,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:37:11,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:37:11,534 INFO L87 Difference]: Start difference. First operand has 28 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:37:11,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:37:11,596 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2021-10-21 19:37:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:37:11,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-21 19:37:11,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:37:11,619 INFO L225 Difference]: With dead ends: 41 [2021-10-21 19:37:11,619 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:37:11,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:37:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:37:11,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:37:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:37:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:37:11,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-21 19:37:11,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:37:11,643 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:37:11,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:37:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:37:11,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:37:11,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:37:11,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:37:11,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:37:11,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:37:11,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:37:11,649 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:37:11,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:37:11,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:37:11,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:37:11,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:37:11,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:37:11,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:37:11,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:37:11,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:37:11,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:37:11,937 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,937 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,937 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,937 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,938 INFO L853 garLoopResultBuilder]: At program point L878-3(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:37:11,938 INFO L857 garLoopResultBuilder]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,938 INFO L857 garLoopResultBuilder]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,938 INFO L853 garLoopResultBuilder]: At program point L878-7(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:37:11,938 INFO L857 garLoopResultBuilder]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,949 INFO L857 garLoopResultBuilder]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,949 INFO L853 garLoopResultBuilder]: At program point L878-11(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:37:11,949 INFO L857 garLoopResultBuilder]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,949 INFO L857 garLoopResultBuilder]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,950 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:37:11,950 INFO L853 garLoopResultBuilder]: At program point L878-15(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:37:11,950 INFO L857 garLoopResultBuilder]: For program point L878-16(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,950 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,950 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:37:11,950 INFO L857 garLoopResultBuilder]: For program point L878-17(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:37:11,951 INFO L853 garLoopResultBuilder]: At program point L878-19(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:37:11,951 INFO L857 garLoopResultBuilder]: For program point L878-20(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,951 INFO L857 garLoopResultBuilder]: For program point L878-21(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,952 INFO L853 garLoopResultBuilder]: At program point L878-23(lines 1 888) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:37:11,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:37:11,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:37:11,956 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:37:11,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:37:11 BoogieIcfgContainer [2021-10-21 19:37:11,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:37:11,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:37:11,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:37:11,968 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:37:11,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:37:11" (3/4) ... [2021-10-21 19:37:11,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:37:11,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-21 19:37:11,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:37:11,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:37:11,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:37:11,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:37:12,042 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:37:12,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:37:12,047 INFO L168 Benchmark]: Toolchain (without parser) took 2355.30 ms. Allocated memory is still 73.4 MB. Free memory was 56.4 MB in the beginning and 45.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:12,048 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 55.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:37:12,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.69 ms. Allocated memory is still 73.4 MB. Free memory was 56.2 MB in the beginning and 33.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:12,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.52 ms. Allocated memory is still 73.4 MB. Free memory was 33.9 MB in the beginning and 31.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:12,049 INFO L168 Benchmark]: Boogie Preprocessor took 57.86 ms. Allocated memory is still 73.4 MB. Free memory was 31.3 MB in the beginning and 56.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:12,050 INFO L168 Benchmark]: RCFGBuilder took 356.79 ms. Allocated memory is still 73.4 MB. Free memory was 56.8 MB in the beginning and 46.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:12,050 INFO L168 Benchmark]: TraceAbstraction took 845.53 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 48.1 MB in the end (delta: -1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:37:12,051 INFO L168 Benchmark]: Witness Printer took 77.88 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 45.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:37:12,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 55.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 925.69 ms. Allocated memory is still 73.4 MB. Free memory was 56.2 MB in the beginning and 33.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.52 ms. Allocated memory is still 73.4 MB. Free memory was 33.9 MB in the beginning and 31.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.86 ms. Allocated memory is still 73.4 MB. Free memory was 31.3 MB in the beginning and 56.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 356.79 ms. Allocated memory is still 73.4 MB. Free memory was 56.8 MB in the beginning and 46.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 845.53 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 48.1 MB in the end (delta: -1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 77.88 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 45.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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 1 procedures, 28 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 749.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 22.9ms, AutomataDifference: 108.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 74.8ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 16 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 18 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 39.8ms HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 28.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 8.2ms SsaConstructionTime, 19.5ms SatisfiabilityAnalysisTime, 156.1ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 3 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 6 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:37:12,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ee051-2a78-4f6f-94b2-73403e6940a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...