./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f .......................................................................................................................................................................... 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:19:52,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:19:52,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:19:52,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:19:52,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:19:52,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:19:52,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:19:52,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:19:52,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:19:52,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:19:52,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:19:52,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:19:52,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:19:52,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:19:52,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:19:52,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:19:52,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:19:52,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:19:52,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:19:52,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:19:52,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:19:52,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:19:52,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:19:52,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:19:52,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:19:52,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:19:52,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:19:52,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:19:52,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:19:52,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:19:52,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:19:52,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:19:52,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:19:52,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:19:52,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:19:52,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:19:52,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:19:52,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:19:52,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:19:52,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:19:52,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:19:52,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:19:52,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:19:52,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:19:52,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:19:52,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:19:52,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:19:52,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:19:52,516 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:19:52,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:19:52,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:19:52,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:19:52,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:19:52,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:19:52,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:19:52,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:19:52,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:19:52,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:19:52,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:19:52,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:19:52,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:19:52,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:19:52,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:19:52,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:19:52,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:19:52,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:19:52,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:19:52,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:19:52,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:19:52,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:19:52,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:19:52,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:19:52,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:19:52,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:19:52,526 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2021-10-28 09:19:52,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:19:52,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:19:52,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:19:52,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:19:52,836 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:19:52,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-28 09:19:52,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/7b7950167/ad72909607294b91a5858e62abcb7c75/FLAG94744813d [2021-10-28 09:19:53,468 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:19:53,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-28 09:19:53,484 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/7b7950167/ad72909607294b91a5858e62abcb7c75/FLAG94744813d [2021-10-28 09:19:53,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/7b7950167/ad72909607294b91a5858e62abcb7c75 [2021-10-28 09:19:53,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:19:53,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:19:53,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:19:53,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:19:53,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:19:53,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:53" (1/1) ... [2021-10-28 09:19:53,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795595fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:53, skipping insertion in model container [2021-10-28 09:19:53,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:53" (1/1) ... [2021-10-28 09:19:53,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:19:53,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:19:54,545 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: isnan 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:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1421) 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:1365) 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:1436) 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:3224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2305) 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) [2021-10-28 09:19:54,551 INFO L168 Benchmark]: Toolchain (without parser) took 678.42 ms. Allocated memory is still 111.1 MB. Free memory was 80.6 MB in the beginning and 84.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:54,552 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 111.1 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:19:54,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.05 ms. Allocated memory is still 111.1 MB. Free memory was 80.3 MB in the beginning and 84.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:54,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 111.1 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.05 ms. Allocated memory is still 111.1 MB. Free memory was 80.3 MB in the beginning and 84.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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-b2eff8b [2021-10-28 09:19:56,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:19:56,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:19:56,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:19:56,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:19:56,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:19:56,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:19:56,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:19:56,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:19:56,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:19:56,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:19:56,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:19:56,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:19:56,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:19:56,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:19:56,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:19:56,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:19:56,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:19:56,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:19:56,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:19:56,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:19:56,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:19:56,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:19:56,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:19:56,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:19:56,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:19:56,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:19:56,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:19:56,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:19:56,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:19:56,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:19:56,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:19:56,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:19:56,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:19:56,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:19:56,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:19:56,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:19:56,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:19:56,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:19:56,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:19:56,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:19:56,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:19:56,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:19:56,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:19:56,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:19:56,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:19:56,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:19:56,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:19:56,831 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:19:56,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:19:56,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:19:56,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:19:56,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:19:56,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:19:56,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:19:56,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:19:56,833 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:19:56,833 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:19:56,834 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:19:56,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:19:56,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:19:56,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:19:56,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:19:56,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:19:56,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:19:56,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:19:56,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:19:56,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:19:56,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:19:56,836 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:19:56,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:19:56,836 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:19:56,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:19:56,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:19:56,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:19:56,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:19:56,837 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2021-10-28 09:19:57,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:19:57,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:19:57,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:19:57,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:19:57,276 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:19:57,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-28 09:19:57,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/c40ed22be/e3559a53d9a34b9598aab4513b5d333e/FLAGe1de6ca51 [2021-10-28 09:19:57,904 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:19:57,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-28 09:19:57,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/c40ed22be/e3559a53d9a34b9598aab4513b5d333e/FLAGe1de6ca51 [2021-10-28 09:19:58,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/data/c40ed22be/e3559a53d9a34b9598aab4513b5d333e [2021-10-28 09:19:58,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:19:58,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:19:58,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:19:58,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:19:58,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:19:58,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:58" (1/1) ... [2021-10-28 09:19:58,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c755dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:58, skipping insertion in model container [2021-10-28 09:19:58,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:58" (1/1) ... [2021-10-28 09:19:58,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:19:58,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:19:58,792 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-10-28 09:19:58,798 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-10-28 09:19:58,799 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-10-28 09:19:58,800 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-10-28 09:19:58,802 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-10-28 09:19:58,803 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-10-28 09:19:58,804 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-10-28 09:19:58,805 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-10-28 09:19:58,806 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-10-28 09:19:58,808 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-10-28 09:19:58,809 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-10-28 09:19:58,810 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-10-28 09:19:58,811 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-10-28 09:19:58,812 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-10-28 09:19:58,813 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-10-28 09:19:58,814 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-10-28 09:19:58,815 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-10-28 09:19:58,816 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-10-28 09:19:58,817 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-10-28 09:19:58,818 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-10-28 09:19:58,820 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-10-28 09:19:58,821 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-10-28 09:19:58,821 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-10-28 09:19:58,823 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-10-28 09:19:58,823 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-10-28 09:19:58,826 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-10-28 09:19:58,827 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-10-28 09:19:58,829 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-10-28 09:19:58,829 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-10-28 09:19:58,830 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-10-28 09:19:58,831 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-10-28 09:19:58,832 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-10-28 09:19:58,833 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-10-28 09:19:58,834 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-10-28 09:19:58,836 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-10-28 09:19:58,838 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-10-28 09:19:58,843 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-10-28 09:19:58,844 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-10-28 09:19:58,844 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-10-28 09:19:58,845 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-10-28 09:19:58,845 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-10-28 09:19:58,846 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-10-28 09:19:58,846 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-10-28 09:19:58,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:19:58,865 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:19:58,899 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-10-28 09:19:58,902 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-10-28 09:19:58,903 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-10-28 09:19:58,905 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-10-28 09:19:58,907 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-10-28 09:19:58,911 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-10-28 09:19:58,912 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-10-28 09:19:58,926 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-10-28 09:19:58,926 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-10-28 09:19:58,927 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-10-28 09:19:58,928 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-10-28 09:19:58,928 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-10-28 09:19:58,929 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-10-28 09:19:58,930 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-10-28 09:19:58,930 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-10-28 09:19:58,931 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-10-28 09:19:58,931 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-10-28 09:19:58,932 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-10-28 09:19:58,934 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-10-28 09:19:58,934 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-10-28 09:19:58,936 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-10-28 09:19:58,937 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-10-28 09:19:58,938 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-10-28 09:19:58,938 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-10-28 09:19:58,939 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-10-28 09:19:58,940 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-10-28 09:19:58,941 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-10-28 09:19:58,943 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-10-28 09:19:58,944 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-10-28 09:19:58,944 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-10-28 09:19:58,945 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-10-28 09:19:58,946 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-10-28 09:19:58,948 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-10-28 09:19:58,949 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-10-28 09:19:58,950 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-10-28 09:19:58,951 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-10-28 09:19:58,952 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-10-28 09:19:58,954 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-10-28 09:19:58,956 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-10-28 09:19:58,957 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-10-28 09:19:58,957 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-10-28 09:19:58,958 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-10-28 09:19:58,959 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_d5cf3bbc-375c-4e26-a186-aa017e119a05/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-10-28 09:19:58,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:19:59,145 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:19:59,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59 WrapperNode [2021-10-28 09:19:59,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:19:59,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:19:59,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:19:59,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:19:59,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:19:59,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:19:59,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:19:59,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:19:59,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:19:59,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:19:59,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:19:59,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:19:59,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (1/1) ... [2021-10-28 09:19:59,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:19:59,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:59,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:59,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:19:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 09:19:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:19:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:19:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:20:03,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:20:03,187 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 09:20:03,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:20:03 BoogieIcfgContainer [2021-10-28 09:20:03,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:20:03,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:20:03,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:20:03,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:20:03,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:19:58" (1/3) ... [2021-10-28 09:20:03,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d069679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:20:03, skipping insertion in model container [2021-10-28 09:20:03,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:59" (2/3) ... [2021-10-28 09:20:03,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d069679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:20:03, skipping insertion in model container [2021-10-28 09:20:03,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:20:03" (3/3) ... [2021-10-28 09:20:03,197 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2021-10-28 09:20:03,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:20:03,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2021-10-28 09:20:03,246 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:20:03,252 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 [2021-10-28 09:20:03,252 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-10-28 09:20:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 94 states have (on average 1.9361702127659575) internal successors, (182), 137 states have internal predecessors, (182), 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) [2021-10-28 09:20:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-28 09:20:03,273 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:20:03,273 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:03,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-28 09:20:03,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:03,279 INFO L85 PathProgramCache]: Analyzing trace with hash 119383820, now seen corresponding path program 1 times [2021-10-28 09:20:03,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:20:03,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275205704] [2021-10-28 09:20:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:03,291 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:20:03,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:20:03,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:20:03,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:20:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:03,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 09:20:03,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:03,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:20:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:03,451 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:20:03,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275205704] [2021-10-28 09:20:03,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275205704] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:03,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:03,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:20:03,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027172528] [2021-10-28 09:20:03,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:20:03,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:20:03,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:20:03,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:20:03,473 INFO L87 Difference]: Start difference. First operand has 138 states, 94 states have (on average 1.9361702127659575) internal successors, (182), 137 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-28 09:20:03,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:03,494 INFO L93 Difference]: Finished difference Result 213 states and 300 transitions. [2021-10-28 09:20:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:20:03,495 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-10-28 09:20:03,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:20:03,503 INFO L225 Difference]: With dead ends: 213 [2021-10-28 09:20:03,503 INFO L226 Difference]: Without dead ends: 58 [2021-10-28 09:20:03,506 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:20:03,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-10-28 09:20:03,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-10-28 09:20:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 57 states have internal predecessors, (57), 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) [2021-10-28 09:20:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 57 transitions. [2021-10-28 09:20:03,537 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 57 transitions. Word has length 8 [2021-10-28 09:20:03,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:20:03,537 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 57 transitions. [2021-10-28 09:20:03,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-28 09:20:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2021-10-28 09:20:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 09:20:03,538 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:20:03,538 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:03,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:03,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:20:03,751 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-28 09:20:03,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:03,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1182789617, now seen corresponding path program 1 times [2021-10-28 09:20:03,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:20:03,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151000361] [2021-10-28 09:20:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:03,753 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:20:03,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:20:03,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:20:03,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:20:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:04,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:20:04,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:04,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:20:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:05,247 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:20:05,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151000361] [2021-10-28 09:20:05,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151000361] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:05,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:05,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 11 [2021-10-28 09:20:05,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504770491] [2021-10-28 09:20:05,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 09:20:05,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:20:05,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:20:05,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:20:05,252 INFO L87 Difference]: Start difference. First operand 58 states and 57 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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) [2021-10-28 09:20:14,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:14,162 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2021-10-28 09:20:14,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:20:14,179 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 9 [2021-10-28 09:20:14,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:20:14,180 INFO L225 Difference]: With dead ends: 58 [2021-10-28 09:20:14,180 INFO L226 Difference]: Without dead ends: 40 [2021-10-28 09:20:14,181 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:20:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-28 09:20:14,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-28 09:20:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 39 states have internal predecessors, (39), 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) [2021-10-28 09:20:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2021-10-28 09:20:14,185 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 9 [2021-10-28 09:20:14,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:20:14,186 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2021-10-28 09:20:14,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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) [2021-10-28 09:20:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2021-10-28 09:20:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 09:20:14,187 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:20:14,187 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:14,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 09:20:14,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:20:14,399 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-28 09:20:14,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:14,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1233350863, now seen corresponding path program 1 times [2021-10-28 09:20:14,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:20:14,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840077886] [2021-10-28 09:20:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:14,401 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:20:14,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:20:14,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:20:14,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:20:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:15,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:20:15,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:24,551 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) ULTIMATE.start_main_~f~0)))) is different from false [2021-10-28 09:20:26,556 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) ULTIMATE.start_main_~f~0)))) is different from true [2021-10-28 09:20:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:26,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:20:41,097 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 .cse0) .cse0))) (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) c_ULTIMATE.start_main_~f~0)) is different from true [2021-10-28 09:21:42,083 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) ULTIMATE.start_main_~f~0)))) is different from false [2021-10-28 09:21:44,090 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) ULTIMATE.start_main_~f~0)))) is different from true [2021-10-28 09:22:14,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:22:14,992 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:22:14,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840077886] [2021-10-28 09:22:14,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840077886] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:22:14,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:22:14,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-28 09:22:14,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670121866] [2021-10-28 09:22:14,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:22:14,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:22:14,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:22:14,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2021-10-28 09:22:14,994 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-10-28 09:22:17,170 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) ULTIMATE.start_main_~f~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-10-28 09:22:29,633 WARN L207 SmtUtils]: Spent 7.15 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2021-10-28 09:22:39,494 WARN L207 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2021-10-28 09:22:43,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:22:43,862 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2021-10-28 09:22:43,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:22:43,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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 25 [2021-10-28 09:22:43,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:22:43,883 INFO L225 Difference]: With dead ends: 40 [2021-10-28 09:22:43,883 INFO L226 Difference]: Without dead ends: 34 [2021-10-28 09:22:43,884 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.0s TimeCoverageRelationStatistics Valid=32, Invalid=30, Unknown=10, NotChecked=60, Total=132 [2021-10-28 09:22:43,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-28 09:22:43,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-28 09:22:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0) internal successors, (33), 33 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) [2021-10-28 09:22:43,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2021-10-28 09:22:43,887 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 25 [2021-10-28 09:22:43,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:22:43,887 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2021-10-28 09:22:43,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-10-28 09:22:43,887 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2021-10-28 09:22:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 09:22:43,888 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:22:43,888 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:22:43,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:44,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:22:44,090 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-28 09:22:44,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:44,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1785896657, now seen corresponding path program 1 times [2021-10-28 09:22:44,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:22:44,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499252978] [2021-10-28 09:22:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:44,091 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:22:44,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:22:44,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:22:44,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:22:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:22:46,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:22:46,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:22:57,210 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2021-10-28 09:22:59,223 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2021-10-28 09:22:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:22:59,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:23:42,464 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) c_ULTIMATE.start_main_~f~0)) is different from true [2021-10-28 09:25:06,777 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))) is different from false [2021-10-28 09:25:08,796 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))) is different from true [2021-10-28 09:25:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:45,140 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:25:45,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499252978] [2021-10-28 09:25:45,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499252978] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:45,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:45,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-28 09:25:45,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995575870] [2021-10-28 09:25:45,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:25:45,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:25:45,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:25:45,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2021-10-28 09:25:45,142 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-10-28 09:25:48,787 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-10-28 09:26:13,734 WARN L207 SmtUtils]: Spent 14.76 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2021-10-28 09:26:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:26:54,376 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2021-10-28 09:26:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:26:54,395 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 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 33 [2021-10-28 09:26:54,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:26:54,396 INFO L225 Difference]: With dead ends: 34 [2021-10-28 09:26:54,396 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:26:54,397 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 53.8s TimeCoverageRelationStatistics Valid=31, Invalid=30, Unknown=11, NotChecked=60, Total=132 [2021-10-28 09:26:54,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:26:54,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:26:54,397 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) [2021-10-28 09:26:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:26:54,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-10-28 09:26:54,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:26:54,398 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:26:54,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-10-28 09:26:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:26:54,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:26:54,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,401 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,401 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,401 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,401 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,402 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,402 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,402 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,402 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,402 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,403 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,403 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,403 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,403 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,404 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,404 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,404 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,404 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,404 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,405 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,405 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,405 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,405 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,407 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,407 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,407 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,407 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,408 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,408 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,408 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,408 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,408 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:54,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:54,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:26:54,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:26:54,621 INFO L857 garLoopResultBuilder]: For program point L2-1(lines 2 4) no Hoare annotation was computed. [2021-10-28 09:26:54,621 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2021-10-28 09:26:54,622 INFO L857 garLoopResultBuilder]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,622 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2021-10-28 09:26:54,623 INFO L857 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2021-10-28 09:26:54,623 INFO L857 garLoopResultBuilder]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,624 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2021-10-28 09:26:54,624 INFO L857 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-10-28 09:26:54,624 INFO L857 garLoopResultBuilder]: For program point L1027(line 1027) no Hoare annotation was computed. [2021-10-28 09:26:54,624 INFO L857 garLoopResultBuilder]: For program point L3-2(line 3) no Hoare annotation was computed. [2021-10-28 09:26:54,625 INFO L857 garLoopResultBuilder]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,625 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:26:54,625 INFO L857 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2021-10-28 09:26:54,625 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2021-10-28 09:26:54,625 INFO L857 garLoopResultBuilder]: For program point L978-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,625 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2021-10-28 09:26:54,626 INFO L857 garLoopResultBuilder]: For program point L1028(line 1028) no Hoare annotation was computed. [2021-10-28 09:26:54,626 INFO L857 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2021-10-28 09:26:54,626 INFO L857 garLoopResultBuilder]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,626 INFO L857 garLoopResultBuilder]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,626 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2021-10-28 09:26:54,627 INFO L857 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2021-10-28 09:26:54,627 INFO L857 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2021-10-28 09:26:54,627 INFO L857 garLoopResultBuilder]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,627 INFO L857 garLoopResultBuilder]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,627 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2021-10-28 09:26:54,627 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2021-10-28 09:26:54,628 INFO L857 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2021-10-28 09:26:54,628 INFO L857 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2021-10-28 09:26:54,628 INFO L857 garLoopResultBuilder]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,628 INFO L857 garLoopResultBuilder]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,628 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2021-10-28 09:26:54,629 INFO L857 garLoopResultBuilder]: For program point L1013(line 1013) no Hoare annotation was computed. [2021-10-28 09:26:54,629 INFO L857 garLoopResultBuilder]: For program point L980(line 980) no Hoare annotation was computed. [2021-10-28 09:26:54,629 INFO L857 garLoopResultBuilder]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,629 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,629 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2021-10-28 09:26:54,629 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-28 09:26:54,630 INFO L857 garLoopResultBuilder]: For program point L1030(line 1030) no Hoare annotation was computed. [2021-10-28 09:26:54,630 INFO L857 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2021-10-28 09:26:54,630 INFO L857 garLoopResultBuilder]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,630 INFO L857 garLoopResultBuilder]: For program point L1014(line 1014) no Hoare annotation was computed. [2021-10-28 09:26:54,630 INFO L857 garLoopResultBuilder]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,630 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2021-10-28 09:26:54,631 INFO L857 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2021-10-28 09:26:54,631 INFO L857 garLoopResultBuilder]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,631 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-10-28 09:26:54,631 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-28 09:26:54,631 INFO L857 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2021-10-28 09:26:54,632 INFO L857 garLoopResultBuilder]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,632 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2021-10-28 09:26:54,632 INFO L857 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2021-10-28 09:26:54,632 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2021-10-28 09:26:54,632 INFO L857 garLoopResultBuilder]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,632 INFO L857 garLoopResultBuilder]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:26:54,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-10-28 09:26:54,633 INFO L857 garLoopResultBuilder]: For program point L1016(line 1016) no Hoare annotation was computed. [2021-10-28 09:26:54,633 INFO L857 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2021-10-28 09:26:54,633 INFO L857 garLoopResultBuilder]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,633 INFO L857 garLoopResultBuilder]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2021-10-28 09:26:54,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2021-10-28 09:26:54,634 INFO L857 garLoopResultBuilder]: For program point L1000(line 1000) no Hoare annotation was computed. [2021-10-28 09:26:54,634 INFO L857 garLoopResultBuilder]: For program point L1000-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2021-10-28 09:26:54,635 INFO L857 garLoopResultBuilder]: For program point L1017(line 1017) no Hoare annotation was computed. [2021-10-28 09:26:54,635 INFO L857 garLoopResultBuilder]: For program point L984(line 984) no Hoare annotation was computed. [2021-10-28 09:26:54,635 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-10-28 09:26:54,635 INFO L857 garLoopResultBuilder]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,635 INFO L857 garLoopResultBuilder]: For program point L984-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,635 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2021-10-28 09:26:54,636 INFO L857 garLoopResultBuilder]: For program point L1001(line 1001) no Hoare annotation was computed. [2021-10-28 09:26:54,636 INFO L857 garLoopResultBuilder]: For program point L1001-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,636 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2021-10-28 09:26:54,636 INFO L857 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2021-10-28 09:26:54,636 INFO L857 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2021-10-28 09:26:54,636 INFO L857 garLoopResultBuilder]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,637 INFO L857 garLoopResultBuilder]: For program point L985-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,637 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2021-10-28 09:26:54,637 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-10-28 09:26:54,637 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 980) no Hoare annotation was computed. [2021-10-28 09:26:54,637 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:26:54,638 INFO L857 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-10-28 09:26:54,638 INFO L857 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-10-28 09:26:54,638 INFO L857 garLoopResultBuilder]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,638 INFO L857 garLoopResultBuilder]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,638 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-10-28 09:26:54,638 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2021-10-28 09:26:54,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2021-10-28 09:26:54,639 INFO L857 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2021-10-28 09:26:54,639 INFO L857 garLoopResultBuilder]: For program point L987-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-10-28 09:26:54,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-10-28 09:26:54,639 INFO L857 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-10-28 09:26:54,640 INFO L857 garLoopResultBuilder]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,640 INFO L857 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-10-28 09:26:54,640 INFO L857 garLoopResultBuilder]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,640 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2021-10-28 09:26:54,640 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2021-10-28 09:26:54,641 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2021-10-28 09:26:54,641 INFO L857 garLoopResultBuilder]: For program point L1022(line 1022) no Hoare annotation was computed. [2021-10-28 09:26:54,641 INFO L857 garLoopResultBuilder]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,641 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2021-10-28 09:26:54,641 INFO L857 garLoopResultBuilder]: For program point L1006(line 1006) no Hoare annotation was computed. [2021-10-28 09:26:54,641 INFO L857 garLoopResultBuilder]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,642 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2021-10-28 09:26:54,642 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:26:54,642 INFO L857 garLoopResultBuilder]: For program point L1023(line 1023) no Hoare annotation was computed. [2021-10-28 09:26:54,642 INFO L857 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2021-10-28 09:26:54,642 INFO L857 garLoopResultBuilder]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,642 INFO L857 garLoopResultBuilder]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,643 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2021-10-28 09:26:54,643 INFO L857 garLoopResultBuilder]: For program point L1007(line 1007) no Hoare annotation was computed. [2021-10-28 09:26:54,643 INFO L857 garLoopResultBuilder]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,643 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2021-10-28 09:26:54,643 INFO L857 garLoopResultBuilder]: For program point L1024(line 1024) no Hoare annotation was computed. [2021-10-28 09:26:54,643 INFO L857 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2021-10-28 09:26:54,644 INFO L857 garLoopResultBuilder]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,644 INFO L857 garLoopResultBuilder]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,644 INFO L857 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-10-28 09:26:54,644 INFO L857 garLoopResultBuilder]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,644 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2021-10-28 09:26:54,644 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-10-28 09:26:54,645 INFO L857 garLoopResultBuilder]: For program point L1025(line 1025) no Hoare annotation was computed. [2021-10-28 09:26:54,645 INFO L857 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2021-10-28 09:26:54,645 INFO L857 garLoopResultBuilder]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,645 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,645 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2021-10-28 09:26:54,645 INFO L857 garLoopResultBuilder]: For program point L1009(line 1009) no Hoare annotation was computed. [2021-10-28 09:26:54,646 INFO L857 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2021-10-28 09:26:54,646 INFO L857 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2021-10-28 09:26:54,646 INFO L857 garLoopResultBuilder]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,646 INFO L857 garLoopResultBuilder]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2021-10-28 09:26:54,646 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2021-10-28 09:26:54,646 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-28 09:26:54,647 INFO L857 garLoopResultBuilder]: For program point L2(lines 2 4) no Hoare annotation was computed. [2021-10-28 09:26:54,647 INFO L857 garLoopResultBuilder]: For program point L1026(line 1026) no Hoare annotation was computed. [2021-10-28 09:26:54,650 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 09:26:54,652 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:26:54,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:26:54 BoogieIcfgContainer [2021-10-28 09:26:54,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:26:54,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:26:54,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:26:54,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:26:54,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:20:03" (3/4) ... [2021-10-28 09:26:54,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:26:54,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:26:54,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:26:54,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:26:54,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:26:54,763 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:26:54,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:26:54,764 INFO L168 Benchmark]: Toolchain (without parser) took 416600.03 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.2 MB in the beginning and 61.6 MB in the end (delta: -20.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:54,764 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:26:54,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 981.61 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.1 MB in the beginning and 43.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:54,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.70 ms. Allocated memory is still 86.0 MB. Free memory was 43.4 MB in the beginning and 40.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:54,766 INFO L168 Benchmark]: Boogie Preprocessor took 39.76 ms. Allocated memory is still 86.0 MB. Free memory was 40.6 MB in the beginning and 64.9 MB in the end (delta: -24.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:54,766 INFO L168 Benchmark]: RCFGBuilder took 3941.95 ms. Allocated memory is still 86.0 MB. Free memory was 64.9 MB in the beginning and 49.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:54,767 INFO L168 Benchmark]: TraceAbstraction took 411464.27 ms. Allocated memory is still 86.0 MB. Free memory was 49.1 MB in the beginning and 30.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:54,767 INFO L168 Benchmark]: Witness Printer took 106.94 ms. Allocated memory is still 86.0 MB. Free memory was 30.9 MB in the beginning and 61.6 MB in the end (delta: -30.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:54,769 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 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 981.61 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.1 MB in the beginning and 43.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.70 ms. Allocated memory is still 86.0 MB. Free memory was 43.4 MB in the beginning and 40.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.76 ms. Allocated memory is still 86.0 MB. Free memory was 40.6 MB in the beginning and 64.9 MB in the end (delta: -24.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3941.95 ms. Allocated memory is still 86.0 MB. Free memory was 64.9 MB in the beginning and 49.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 411464.27 ms. Allocated memory is still 86.0 MB. Free memory was 49.1 MB in the beginning and 30.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Witness Printer took 106.94 ms. Allocated memory is still 86.0 MB. Free memory was 30.9 MB in the beginning and 61.6 MB in the end (delta: -30.6 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, 0.0s 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: 976]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 977]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 979]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 980]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 983]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 984]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 985]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 987]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 990]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 991]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 992]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 995]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 997]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 998]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 999]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1000]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1001]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1006]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1007]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1009]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1013]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1014]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1015]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1016]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1017]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1018]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1022]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1023]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1024]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1025]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1026]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1027]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1028]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1029]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1030]: 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, 138 locations, 43 error locations. Started 1 CEGAR loops. OverallTime: 411.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 107.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 86 SDtfs, 255 SDslu, 19 SDs, 0 SdLazy, 97 SolverSat, 21 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 49.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 121 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 93.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 298.8s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 142 ConstructedInterpolants, 17 QuantifiedInterpolants, 1658 SizeOfPredicates, 13 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 09:26:54,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5cf3bbc-375c-4e26-a186-aa017e119a05/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...