./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC --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 9e3cc8be4574ed58f48fa7ae6ba17a4162234910 ................................................................................................................................................................................................................................... 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_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC --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 9e3cc8be4574ed58f48fa7ae6ba17a4162234910 ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:17,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:17,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:17,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:17,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:17,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:17,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:17,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:17,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:17,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:17,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:17,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:17,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:17,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:17,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:17,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:17,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:17,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:17,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:17,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:17,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:17,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:17,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:17,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:17,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:17,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:17,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:17,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:17,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:17,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:17,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:17,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:17,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:17,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:17,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:17,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:17,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:17,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:17,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:17,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:17,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:17,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:26:17,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:17,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:17,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:17,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:17,652 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:17,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:17,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:26:17,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:17,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:26:17,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:17,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:26:17,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:26:17,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:26:17,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:26:17,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:17,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:17,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:26:17,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:17,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:17,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:26:17,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:17,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:17,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:26:17,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:26:17,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:17,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:26:17,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:26:17,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:17,660 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_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cc8be4574ed58f48fa7ae6ba17a4162234910 [2021-10-11 00:26:17,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:17,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:17,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:17,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:17,975 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:17,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-benchs/float_double.c [2021-10-11 00:26:18,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/eedd37642/5d310b5c9974463fb77344cdb43ad563/FLAGb56a0a0f8 [2021-10-11 00:26:18,713 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:18,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/sv-benchmarks/c/float-benchs/float_double.c [2021-10-11 00:26:18,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/eedd37642/5d310b5c9974463fb77344cdb43ad563/FLAGb56a0a0f8 [2021-10-11 00:26:19,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/eedd37642/5d310b5c9974463fb77344cdb43ad563 [2021-10-11 00:26:19,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:19,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:19,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:19,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:19,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:19,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e87a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19, skipping insertion in model container [2021-10-11 00:26:19,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:19,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:19,243 WARN L226 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_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-11 00:26:19,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:19,268 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:19,283 WARN L226 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_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-11 00:26:19,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:19,301 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:19,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19 WrapperNode [2021-10-11 00:26:19,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:19,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:19,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:19,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:19,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:19,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:19,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:19,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:19,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:19,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:19,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:19,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:19,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:26:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:26:19,776 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:19,776 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 00:26:19,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:19 BoogieIcfgContainer [2021-10-11 00:26:19,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:19,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:26:19,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:26:19,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:26:19,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:26:19" (1/3) ... [2021-10-11 00:26:19,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6f49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:19, skipping insertion in model container [2021-10-11 00:26:19,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19" (2/3) ... [2021-10-11 00:26:19,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6f49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:19, skipping insertion in model container [2021-10-11 00:26:19,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:19" (3/3) ... [2021-10-11 00:26:19,788 INFO L111 eAbstractionObserver]: Analyzing ICFG float_double.c [2021-10-11 00:26:19,800 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:26:19,803 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:26:19,815 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:26:19,847 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:26:19,848 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:26:19,848 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:26:19,848 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:19,848 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:19,848 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:26:19,849 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:19,849 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:26:19,866 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 00:26:19,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:26:19,873 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:19,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:26:19,874 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:19,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:19,882 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-11 00:26:19,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:19,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810948364] [2021-10-11 00:26:19,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:20,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:20,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:20,087 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:20,088 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:26:20,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:26:20,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:26:20 BoogieIcfgContainer [2021-10-11 00:26:20,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:26:20,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:20,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:20,116 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:20,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:19" (3/4) ... [2021-10-11 00:26:20,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:26:20,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:20,125 INFO L168 Benchmark]: Toolchain (without parser) took 1093.70 ms. Allocated memory was 117.4 MB in the beginning and 174.1 MB in the end (delta: 56.6 MB). Free memory was 93.9 MB in the beginning and 123.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:20,126 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 117.4 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:20,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.34 ms. Allocated memory was 117.4 MB in the beginning and 174.1 MB in the end (delta: 56.6 MB). Free memory was 93.9 MB in the beginning and 149.4 MB in the end (delta: -55.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:20,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.55 ms. Allocated memory is still 174.1 MB. Free memory was 149.4 MB in the beginning and 148.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:20,130 INFO L168 Benchmark]: Boogie Preprocessor took 23.54 ms. Allocated memory is still 174.1 MB. Free memory was 148.3 MB in the beginning and 147.3 MB in the end (delta: 954.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:20,131 INFO L168 Benchmark]: RCFGBuilder took 402.55 ms. Allocated memory is still 174.1 MB. Free memory was 147.3 MB in the beginning and 135.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:20,132 INFO L168 Benchmark]: TraceAbstraction took 334.27 ms. Allocated memory is still 174.1 MB. Free memory was 135.7 MB in the beginning and 124.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:20,133 INFO L168 Benchmark]: Witness Printer took 6.28 ms. Allocated memory is still 174.1 MB. Free memory was 124.1 MB in the beginning and 123.1 MB in the end (delta: 956.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:20,139 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 117.4 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 272.34 ms. Allocated memory was 117.4 MB in the beginning and 174.1 MB in the end (delta: 56.6 MB). Free memory was 93.9 MB in the beginning and 149.4 MB in the end (delta: -55.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.55 ms. Allocated memory is still 174.1 MB. Free memory was 149.4 MB in the beginning and 148.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.54 ms. Allocated memory is still 174.1 MB. Free memory was 148.3 MB in the beginning and 147.3 MB in the end (delta: 954.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 402.55 ms. Allocated memory is still 174.1 MB. Free memory was 147.3 MB in the beginning and 135.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 334.27 ms. Allocated memory is still 174.1 MB. Free memory was 135.7 MB in the beginning and 124.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.28 ms. Allocated memory is still 174.1 MB. Free memory was 124.1 MB in the beginning and 123.1 MB in the end (delta: 956.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L10] double x = 1e20 + 1.; [L11] float y = x; [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:22,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:22,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:22,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:22,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:22,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:22,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:22,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:22,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:22,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:22,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:22,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:22,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:22,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:22,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:22,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:22,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:22,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:22,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:22,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:22,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:22,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:22,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:22,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:22,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:22,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:22,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:22,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:22,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:22,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:22,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:22,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:22,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:22,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:22,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:22,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:22,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:22,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:22,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:22,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:22,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:22,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:26:22,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:22,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:22,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:22,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:22,880 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:22,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:22,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:26:22,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:26:22,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:22,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:26:22,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:26:22,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:26:22,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:26:22,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:26:22,883 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:26:22,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:22,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:22,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:26:22,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:22,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:22,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:26:22,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:22,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:22,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:26:22,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:26:22,886 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:26:22,886 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:26:22,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:26:22,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:22,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:26:22,887 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_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cc8be4574ed58f48fa7ae6ba17a4162234910 [2021-10-11 00:26:23,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:23,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:23,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:23,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:23,301 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:23,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-benchs/float_double.c [2021-10-11 00:26:23,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/454b76854/f5cf3dbc470f438ca1ccf557232fa387/FLAG71fdd06c7 [2021-10-11 00:26:23,843 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:23,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/sv-benchmarks/c/float-benchs/float_double.c [2021-10-11 00:26:23,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/454b76854/f5cf3dbc470f438ca1ccf557232fa387/FLAG71fdd06c7 [2021-10-11 00:26:24,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/data/454b76854/f5cf3dbc470f438ca1ccf557232fa387 [2021-10-11 00:26:24,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:24,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:24,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:24,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:24,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:24,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577029c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24, skipping insertion in model container [2021-10-11 00:26:24,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:24,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:24,468 WARN L226 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_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-11 00:26:24,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:24,504 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:24,538 WARN L226 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_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-11 00:26:24,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:24,565 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:24,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24 WrapperNode [2021-10-11 00:26:24,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:24,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:24,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:24,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:24,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:24,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:24,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:24,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:24,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... [2021-10-11 00:26:24,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:24,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:24,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:24,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:24,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:26:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:26:25,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:25,268 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 00:26:25,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:25 BoogieIcfgContainer [2021-10-11 00:26:25,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:25,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:26:25,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:26:25,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:26:25,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:26:24" (1/3) ... [2021-10-11 00:26:25,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f83002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:25, skipping insertion in model container [2021-10-11 00:26:25,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:24" (2/3) ... [2021-10-11 00:26:25,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f83002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:25, skipping insertion in model container [2021-10-11 00:26:25,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:25" (3/3) ... [2021-10-11 00:26:25,280 INFO L111 eAbstractionObserver]: Analyzing ICFG float_double.c [2021-10-11 00:26:25,295 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:26:25,299 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:26:25,311 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:26:25,338 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:26:25,338 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:26:25,338 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:26:25,338 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:25,339 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:25,339 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:26:25,339 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:25,339 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:26:25,352 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 00:26:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:26:25,358 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:25,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:26:25,359 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:25,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:25,366 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-11 00:26:25,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:26:25,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510460010] [2021-10-11 00:26:25,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 00:26:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:25,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:26:25,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:26:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:25,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:26:25,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510460010] [2021-10-11 00:26:25,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:25,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:25,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659826290] [2021-10-11 00:26:25,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:25,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:26:25,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:25,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:25,896 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2021-10-11 00:26:25,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:25,918 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-11 00:26:25,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:25,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-10-11 00:26:25,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:25,928 INFO L225 Difference]: With dead ends: 13 [2021-10-11 00:26:25,929 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:26:25,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:25,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:26:25,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:26:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:26:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:26:25,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-11 00:26:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:25,961 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:25,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:26:25,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:26:26,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:26:26,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:26:26,236 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:26:26,236 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:26:26,236 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:26:26,236 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:26:26,237 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-10-11 00:26:26,238 INFO L258 CegarLoopResult]: At program point L13(lines 8 14) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 00:26:26,238 INFO L262 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2021-10-11 00:26:26,238 INFO L262 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-10-11 00:26:26,238 INFO L258 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 00:26:26,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:26:26 BoogieIcfgContainer [2021-10-11 00:26:26,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:26:26,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:26,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:26,262 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:26,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:25" (3/4) ... [2021-10-11 00:26:26,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:26:26,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:26:26,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:26:26,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:26:26,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:26:26,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5fcda4-5ca1-453b-93d1-aac6ed995a48/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:26:26,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:26,348 INFO L168 Benchmark]: Toolchain (without parser) took 2114.39 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 42.5 MB in the beginning and 52.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:26,349 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:26,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.90 ms. Allocated memory is still 62.9 MB. Free memory was 42.4 MB in the beginning and 45.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:26,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.98 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 44.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:26,356 INFO L168 Benchmark]: Boogie Preprocessor took 55.48 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 43.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:26,358 INFO L168 Benchmark]: RCFGBuilder took 586.32 ms. Allocated memory is still 62.9 MB. Free memory was 43.0 MB in the beginning and 32.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:26,360 INFO L168 Benchmark]: TraceAbstraction took 985.00 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 31.9 MB in the beginning and 54.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:26,361 INFO L168 Benchmark]: Witness Printer took 85.09 ms. Allocated memory is still 88.1 MB. Free memory was 54.4 MB in the beginning and 52.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:26,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.90 ms. Allocated memory is still 62.9 MB. Free memory was 42.4 MB in the beginning and 45.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.98 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 44.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.48 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 43.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 586.32 ms. Allocated memory is still 62.9 MB. Free memory was 43.0 MB in the beginning and 32.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 985.00 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 31.9 MB in the beginning and 54.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Witness Printer took 85.09 ms. Allocated memory is still 88.1 MB. Free memory was 54.4 MB in the beginning and 52.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 4 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...