./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ........................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:23:55,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:23:55,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:23:55,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:23:55,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:23:55,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:23:55,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:23:55,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:23:55,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:23:55,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:23:55,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:23:55,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:23:55,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:23:55,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:23:55,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:23:55,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:23:55,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:23:55,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:23:55,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:23:55,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:23:55,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:23:55,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:23:55,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:23:55,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:23:55,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:23:55,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:23:55,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:23:55,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:23:55,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:23:55,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:23:55,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:23:55,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:23:55,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:23:55,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:23:55,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:23:55,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:23:55,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:23:55,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:23:55,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:23:55,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:23:55,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:23:55,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:23:55,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:23:55,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:23:55,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:23:55,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:23:55,579 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:23:55,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:23:55,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:23:55,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:23:55,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:23:55,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:23:55,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:23:55,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:23:55,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:23:55,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:23:55,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:23:55,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:23:55,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:23:55,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:23:55,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:23:55,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:23:55,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:23:55,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:23:55,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:23:55,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:23:55,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:23:55,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:23:55,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:23:55,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:23:55,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer 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(__VERIFIER_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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2019-11-20 07:23:55,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:23:55,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:23:55,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:23:55,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:23:55,786 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:23:55,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double.c [2019-11-20 07:23:55,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/ee11e5c0d/09f5cee3d9dd47ae9c3e52fede0c7437/FLAGb116cda42 [2019-11-20 07:23:56,263 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:23:56,264 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/sv-benchmarks/c/float-benchs/Rump_double.c [2019-11-20 07:23:56,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/ee11e5c0d/09f5cee3d9dd47ae9c3e52fede0c7437/FLAGb116cda42 [2019-11-20 07:23:56,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/ee11e5c0d/09f5cee3d9dd47ae9c3e52fede0c7437 [2019-11-20 07:23:56,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:23:56,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:23:56,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:23:56,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:23:56,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:23:56,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:56,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a111fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56, skipping insertion in model container [2019-11-20 07:23:56,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:56,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:23:56,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:23:56,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:23:56,871 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:23:56,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:23:56,980 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:23:56,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56 WrapperNode [2019-11-20 07:23:56,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:23:56,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:23:56,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:23:56,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:23:56,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:56,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:23:57,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:23:57,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:23:57,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:23:57,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... [2019-11-20 07:23:57,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:23:57,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:23:57,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:23:57,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:23:57,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/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 [2019-11-20 07:23:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:23:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:23:57,218 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:23:57,218 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 07:23:57,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:23:57 BoogieIcfgContainer [2019-11-20 07:23:57,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:23:57,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:23:57,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:23:57,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:23:57,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:23:56" (1/3) ... [2019-11-20 07:23:57,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6779782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:23:57, skipping insertion in model container [2019-11-20 07:23:57,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:56" (2/3) ... [2019-11-20 07:23:57,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6779782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:23:57, skipping insertion in model container [2019-11-20 07:23:57,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:23:57" (3/3) ... [2019-11-20 07:23:57,225 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2019-11-20 07:23:57,232 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:23:57,236 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:23:57,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:23:57,266 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:23:57,266 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:23:57,266 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:23:57,266 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:23:57,267 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:23:57,267 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:23:57,267 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:23:57,267 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:23:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-20 07:23:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 07:23:57,285 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:23:57,285 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 07:23:57,286 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:23:57,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:23:57,291 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-20 07:23:57,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:23:57,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552897283] [2019-11-20 07:23:57,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:23:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:23:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:23:57,388 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:23:57,389 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 07:23:57,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:23:57 BoogieIcfgContainer [2019-11-20 07:23:57,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:23:57,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:23:57,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:23:57,404 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:23:57,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:23:57" (3/4) ... [2019-11-20 07:23:57,407 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 07:23:57,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:23:57,409 INFO L168 Benchmark]: Toolchain (without parser) took 749.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:23:57,409 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:23:57,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -222.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:23:57,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:23:57,412 INFO L168 Benchmark]: Boogie Preprocessor took 15.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:23:57,412 INFO L168 Benchmark]: RCFGBuilder took 185.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:23:57,413 INFO L168 Benchmark]: TraceAbstraction took 183.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:23:57,413 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:23:57,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -222.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 185.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 183.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 3 NumberOfCodeBlocks, 3 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, 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 0.1.24-678e011 [2019-11-20 07:23:59,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:23:59,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:23:59,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:23:59,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:23:59,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:23:59,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:23:59,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:23:59,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:23:59,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:23:59,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:23:59,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:23:59,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:23:59,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:23:59,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:23:59,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:23:59,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:23:59,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:23:59,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:23:59,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:23:59,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:23:59,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:23:59,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:23:59,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:23:59,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:23:59,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:23:59,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:23:59,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:23:59,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:23:59,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:23:59,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:23:59,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:23:59,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:23:59,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:23:59,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:23:59,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:23:59,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:23:59,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:23:59,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:23:59,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:23:59,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:23:59,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 07:23:59,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:23:59,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:23:59,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:23:59,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:23:59,451 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:23:59,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:23:59,451 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:23:59,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:23:59,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:23:59,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:23:59,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:23:59,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:23:59,453 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 07:23:59,454 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 07:23:59,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:23:59,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:23:59,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:23:59,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:23:59,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:23:59,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:23:59,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:23:59,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:23:59,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:23:59,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:23:59,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:23:59,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:23:59,457 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 07:23:59,457 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 07:23:59,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:23:59,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 07:23:59,458 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer 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(__VERIFIER_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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2019-11-20 07:23:59,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:23:59,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:23:59,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:23:59,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:23:59,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:23:59,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double.c [2019-11-20 07:23:59,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/293b2a3ac/0f480393b2124fad98591373f6d15c55/FLAG3be5907c3 [2019-11-20 07:24:00,177 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:24:00,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/sv-benchmarks/c/float-benchs/Rump_double.c [2019-11-20 07:24:00,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/293b2a3ac/0f480393b2124fad98591373f6d15c55/FLAG3be5907c3 [2019-11-20 07:24:00,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/data/293b2a3ac/0f480393b2124fad98591373f6d15c55 [2019-11-20 07:24:00,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:24:00,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:24:00,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:24:00,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:24:00,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:24:00,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52afd082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00, skipping insertion in model container [2019-11-20 07:24:00,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,598 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:24:00,617 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:24:00,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:24:00,809 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:24:00,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:24:00,854 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:24:00,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00 WrapperNode [2019-11-20 07:24:00,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:24:00,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:24:00,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:24:00,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:24:00,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:24:00,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:24:00,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:24:00,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:24:00,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... [2019-11-20 07:24:00,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:24:00,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:24:00,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:24:00,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:24:00,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/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 [2019-11-20 07:24:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:24:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:24:01,143 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:24:01,143 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 07:24:01,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:24:01 BoogieIcfgContainer [2019-11-20 07:24:01,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:24:01,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:24:01,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:24:01,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:24:01,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:24:00" (1/3) ... [2019-11-20 07:24:01,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6794e7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:24:01, skipping insertion in model container [2019-11-20 07:24:01,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:24:00" (2/3) ... [2019-11-20 07:24:01,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6794e7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:24:01, skipping insertion in model container [2019-11-20 07:24:01,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:24:01" (3/3) ... [2019-11-20 07:24:01,151 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2019-11-20 07:24:01,160 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:24:01,165 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:24:01,176 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:24:01,197 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:24:01,197 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:24:01,197 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:24:01,198 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:24:01,198 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:24:01,198 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:24:01,198 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:24:01,198 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:24:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-20 07:24:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 07:24:01,216 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:24:01,217 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 07:24:01,217 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:24:01,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:24:01,223 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-20 07:24:01,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:24:01,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059728125] [2019-11-20 07:24:01,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/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 [2019-11-20 07:24:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:24:16,712 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:24:16,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:24:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:24:16,838 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:24:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:24:16,863 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059728125] [2019-11-20 07:24:16,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:24:16,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-20 07:24:16,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240880985] [2019-11-20 07:24:16,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:24:16,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:24:16,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:24:16,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:24:16,885 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-11-20 07:24:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:24:16,905 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-20 07:24:16,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:24:16,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-20 07:24:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:24:16,934 INFO L225 Difference]: With dead ends: 12 [2019-11-20 07:24:16,934 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:24:16,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:24:16,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:24:16,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:24:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:24:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:24:16,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-20 07:24:16,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:24:16,962 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:24:16,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:24:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:24:16,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:24:17,176 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 07:24:17,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:24:17,222 INFO L440 ceAbstractionStarter]: At program point L4-3(line 4) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 07:24:17,222 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:24:17,222 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:24:17,223 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:24:17,223 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-20 07:24:17,223 INFO L440 ceAbstractionStarter]: At program point L14(lines 6 15) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 07:24:17,223 INFO L444 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-20 07:24:17,224 INFO L444 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-20 07:24:17,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:24:17 BoogieIcfgContainer [2019-11-20 07:24:17,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:24:17,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:24:17,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:24:17,236 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:24:17,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:24:01" (3/4) ... [2019-11-20 07:24:17,240 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:24:17,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:24:17,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:24:17,291 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c5fa4ba-3181-48db-8f92-d2882e571ce3/bin/uautomizer/witness.graphml [2019-11-20 07:24:17,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:24:17,293 INFO L168 Benchmark]: Toolchain (without parser) took 16710.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:24:17,293 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:24:17,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.04 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:24:17,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -212.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:24:17,296 INFO L168 Benchmark]: Boogie Preprocessor took 30.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:24:17,296 INFO L168 Benchmark]: RCFGBuilder took 175.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:24:17,297 INFO L168 Benchmark]: TraceAbstraction took 16089.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:24:17,297 INFO L168 Benchmark]: Witness Printer took 55.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:24:17,301 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.04 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -212.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16089.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: 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, 8 locations, 1 error locations. Result: SAFE, OverallTime: 16.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 14.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 5 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...