./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --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_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/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_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/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_bf759d6c-4674-4c03-97e8-830d98f113f4/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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 ........................................................................................................................................................................................................................................ 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_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/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_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/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_bf759d6c-4674-4c03-97e8-830d98f113f4/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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:59:09,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:59:09,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:59:09,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:59:09,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:59:09,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:59:09,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:59:09,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:59:09,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:59:09,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:59:09,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:59:09,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:59:09,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:59:09,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:59:09,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:59:09,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:59:09,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:59:09,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:59:09,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:59:09,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:59:09,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:59:09,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:59:09,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:59:09,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:59:09,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:59:09,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:59:09,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:59:09,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:59:09,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:59:09,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:59:09,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:59:09,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:59:09,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:59:09,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:59:09,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:59:09,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:59:09,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:59:09,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:59:09,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:59:09,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:59:09,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:59:09,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:59:09,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:59:09,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:59:09,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:59:09,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:59:09,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:59:09,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:59:09,493 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:59:09,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:59:09,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:59:09,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:59:09,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:59:09,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:59:09,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:59:09,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:59:09,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:59:09,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:59:09,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:59:09,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:59:09,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:59:09,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:59:09,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:59:09,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:59:09,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:59:09,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:59:09,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:59:09,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:59:09,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:59:09,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:59:09,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:59:09,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:59:09,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:59:09,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:59:09,502 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_bf759d6c-4674-4c03-97e8-830d98f113f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-10-28 08:59:09,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:59:09,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:59:09,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:59:09,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:59:09,952 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:59:09,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 08:59:10,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/ef88c9dea/3158598dc4ec45cca656427871ea4e89/FLAG237e4a18d [2021-10-28 08:59:10,794 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:59:10,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 08:59:10,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/ef88c9dea/3158598dc4ec45cca656427871ea4e89/FLAG237e4a18d [2021-10-28 08:59:11,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/ef88c9dea/3158598dc4ec45cca656427871ea4e89 [2021-10-28 08:59:11,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:59:11,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:59:11,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:11,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:59:11,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:59:11,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ea55d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11, skipping insertion in model container [2021-10-28 08:59:11,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:59:11,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:59:11,503 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_bf759d6c-4674-4c03-97e8-830d98f113f4/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 08:59:11,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:11,537 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:59:11,559 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_bf759d6c-4674-4c03-97e8-830d98f113f4/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 08:59:11,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:11,584 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:59:11,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11 WrapperNode [2021-10-28 08:59:11,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:11,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:11,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:59:11,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:59:11,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:11,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:59:11,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:59:11,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:59:11,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:59:11,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:59:11,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:59:11,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:59:11,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (1/1) ... [2021-10-28 08:59:11,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:59:11,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:59:11,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:59:11,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:59:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:59:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:59:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:59:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:59:12,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:59:12,078 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 08:59:12,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:12 BoogieIcfgContainer [2021-10-28 08:59:12,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:59:12,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:59:12,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:59:12,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:59:12,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:59:11" (1/3) ... [2021-10-28 08:59:12,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c23b56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:12, skipping insertion in model container [2021-10-28 08:59:12,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:11" (2/3) ... [2021-10-28 08:59:12,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c23b56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:12, skipping insertion in model container [2021-10-28 08:59:12,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:12" (3/3) ... [2021-10-28 08:59:12,105 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-28 08:59:12,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:59:12,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:59:12,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:59:12,193 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 08:59:12,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:59:12,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 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 08:59:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 08:59:12,217 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:12,218 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 08:59:12,219 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:59:12,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:12,229 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 08:59:12,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:12,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139435602] [2021-10-28 08:59:12,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:12,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:59:12,393 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:59:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:59:12,444 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:59:12,450 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 08:59:12,452 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:59:12,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:59:12,465 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 08:59:12,468 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:59:12,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:59:12 BoogieIcfgContainer [2021-10-28 08:59:12,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:59:12,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:59:12,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:59:12,504 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:59:12,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:12" (3/4) ... [2021-10-28 08:59:12,509 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:59:12,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:59:12,513 INFO L168 Benchmark]: Toolchain (without parser) took 1298.12 ms. Allocated memory is still 130.0 MB. Free memory was 96.9 MB in the beginning and 81.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:12,515 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:12,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.13 ms. Allocated memory is still 130.0 MB. Free memory was 96.7 MB in the beginning and 105.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:12,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.64 ms. Allocated memory is still 130.0 MB. Free memory was 105.1 MB in the beginning and 103.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:12,521 INFO L168 Benchmark]: Boogie Preprocessor took 43.25 ms. Allocated memory is still 130.0 MB. Free memory was 103.8 MB in the beginning and 103.0 MB in the end (delta: 716.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:12,522 INFO L168 Benchmark]: RCFGBuilder took 397.38 ms. Allocated memory is still 130.0 MB. Free memory was 103.0 MB in the beginning and 94.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:12,530 INFO L168 Benchmark]: TraceAbstraction took 414.52 ms. Allocated memory is still 130.0 MB. Free memory was 94.0 MB in the beginning and 81.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:12,534 INFO L168 Benchmark]: Witness Printer took 5.88 ms. Allocated memory is still 130.0 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:12,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.13 ms. Allocated memory is still 130.0 MB. Free memory was 96.7 MB in the beginning and 105.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.64 ms. Allocated memory is still 130.0 MB. Free memory was 105.1 MB in the beginning and 103.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.25 ms. Allocated memory is still 130.0 MB. Free memory was 103.8 MB in the beginning and 103.0 MB in the end (delta: 716.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 397.38 ms. Allocated memory is still 130.0 MB. Free memory was 103.0 MB in the beginning and 94.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 414.52 ms. Allocated memory is still 130.0 MB. Free memory was 94.0 MB in the beginning and 81.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.88 ms. Allocated memory is still 130.0 MB. Free memory is still 81.4 MB. There was no memory consumed. 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 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 08:59:12,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:59:15,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:59:15,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:59:15,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:59:15,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:59:15,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:59:15,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:59:15,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:59:15,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:59:15,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:59:15,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:59:15,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:59:15,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:59:15,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:59:15,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:59:15,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:59:15,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:59:15,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:59:15,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:59:15,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:59:15,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:59:15,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:59:15,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:59:15,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:59:15,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:59:15,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:59:15,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:59:15,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:59:15,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:59:15,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:59:15,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:59:15,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:59:15,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:59:15,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:59:15,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:59:15,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:59:15,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:59:15,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:59:15,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:59:15,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:59:15,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:59:16,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 08:59:16,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:59:16,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:59:16,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:59:16,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:59:16,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:59:16,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:59:16,057 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:59:16,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:59:16,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:59:16,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:59:16,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:59:16,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:59:16,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:59:16,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:59:16,061 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 08:59:16,061 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 08:59:16,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:59:16,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:59:16,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:59:16,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:59:16,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:59:16,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:59:16,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:59:16,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:59:16,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:59:16,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:59:16,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:59:16,066 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 08:59:16,066 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 08:59:16,066 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:59:16,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:59:16,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:59:16,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:59:16,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 08:59:16,068 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_bf759d6c-4674-4c03-97e8-830d98f113f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-10-28 08:59:16,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:59:16,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:59:16,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:59:16,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:59:16,684 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:59:16,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 08:59:16,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/bc6dba30f/6c3ef03150234b8ca46a92c9b475eb2d/FLAGfcbb9280e [2021-10-28 08:59:17,531 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:59:17,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 08:59:17,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/bc6dba30f/6c3ef03150234b8ca46a92c9b475eb2d/FLAGfcbb9280e [2021-10-28 08:59:17,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/data/bc6dba30f/6c3ef03150234b8ca46a92c9b475eb2d [2021-10-28 08:59:17,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:59:17,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:59:17,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:17,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:59:17,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:59:17,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:17" (1/1) ... [2021-10-28 08:59:17,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3616cfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:17, skipping insertion in model container [2021-10-28 08:59:17,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:17" (1/1) ... [2021-10-28 08:59:17,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:59:17,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:59:18,104 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_bf759d6c-4674-4c03-97e8-830d98f113f4/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 08:59:18,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:18,129 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:59:18,147 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_bf759d6c-4674-4c03-97e8-830d98f113f4/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 08:59:18,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:18,176 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:59:18,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18 WrapperNode [2021-10-28 08:59:18,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:18,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:18,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:59:18,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:59:18,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:18,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:59:18,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:59:18,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:59:18,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:59:18,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:59:18,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:59:18,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:59:18,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (1/1) ... [2021-10-28 08:59:18,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:59:18,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:59:18,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:59:18,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:59:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:59:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:59:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 08:59:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:59:18,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:59:18,855 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 08:59:18,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:18 BoogieIcfgContainer [2021-10-28 08:59:18,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:59:18,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:59:18,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:59:18,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:59:18,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:59:17" (1/3) ... [2021-10-28 08:59:18,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4408a221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:18, skipping insertion in model container [2021-10-28 08:59:18,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:18" (2/3) ... [2021-10-28 08:59:18,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4408a221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:18, skipping insertion in model container [2021-10-28 08:59:18,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:18" (3/3) ... [2021-10-28 08:59:18,872 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-28 08:59:18,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:59:18,881 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:59:18,950 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:59:18,959 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 08:59:18,960 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:59:18,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 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 08:59:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 08:59:18,984 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:18,985 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 08:59:18,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:59:18,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:18,995 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 08:59:19,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:59:19,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606994921] [2021-10-28 08:59:19,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:19,054 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:59:19,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:59:19,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:59:19,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 08:59:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:59:19,208 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:59:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:59:19,274 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 08:59:19,277 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 08:59:19,279 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:59:19,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:59:19,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:59:19,504 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 08:59:19,509 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:59:19,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:59:19 BoogieIcfgContainer [2021-10-28 08:59:19,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:59:19,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:59:19,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:59:19,554 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:59:19,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:18" (3/4) ... [2021-10-28 08:59:19,558 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 08:59:19,614 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:59:19,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:59:19,624 INFO L168 Benchmark]: Toolchain (without parser) took 1748.74 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 27.4 MB in the beginning and 40.9 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:19,625 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 30.9 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:19,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.12 ms. Allocated memory is still 50.3 MB. Free memory was 27.2 MB in the beginning and 28.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:19,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.79 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 48.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:19,629 INFO L168 Benchmark]: Boogie Preprocessor took 86.31 ms. Allocated memory is still 65.0 MB. Free memory was 48.3 MB in the beginning and 47.4 MB in the end (delta: 915.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:19,633 INFO L168 Benchmark]: RCFGBuilder took 523.28 ms. Allocated memory is still 65.0 MB. Free memory was 47.2 MB in the beginning and 38.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:19,634 INFO L168 Benchmark]: TraceAbstraction took 683.05 ms. Allocated memory is still 65.0 MB. Free memory was 38.1 MB in the beginning and 42.5 MB in the end (delta: -4.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:19,639 INFO L168 Benchmark]: Witness Printer took 62.74 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 40.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:19,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 30.9 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.12 ms. Allocated memory is still 50.3 MB. Free memory was 27.2 MB in the beginning and 28.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.79 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 48.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.31 ms. Allocated memory is still 65.0 MB. Free memory was 48.3 MB in the beginning and 47.4 MB in the end (delta: 915.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 523.28 ms. Allocated memory is still 65.0 MB. Free memory was 47.2 MB in the beginning and 38.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 683.05 ms. Allocated memory is still 65.0 MB. Free memory was 38.1 MB in the beginning and 42.5 MB in the end (delta: -4.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 62.74 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 40.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-28 08:59:19,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf759d6c-4674-4c03-97e8-830d98f113f4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...