./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/interleave_bits.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/interleave_bits.i -s /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8ee9428aad4e911e10cde7de8379310dde1b70a ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:02:36,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:02:36,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:02:37,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:02:37,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:02:37,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:02:37,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:02:37,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:02:37,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:02:37,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:02:37,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:02:37,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:02:37,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:02:37,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:02:37,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:02:37,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:02:37,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:02:37,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:02:37,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:02:37,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:02:37,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:02:37,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:02:37,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:02:37,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:02:37,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:02:37,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:02:37,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:02:37,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:02:37,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:02:37,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:02:37,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:02:37,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:02:37,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:02:37,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:02:37,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:02:37,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:02:37,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:02:37,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:02:37,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:02:37,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:02:37,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:02:37,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 22:02:37,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:02:37,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:02:37,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:02:37,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:02:37,126 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:02:37,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:02:37,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:02:37,127 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:02:37,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:02:37,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:02:37,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:02:37,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:02:37,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:02:37,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:02:37,129 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 22:02:37,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:02:37,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:02:37,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:02:37,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:02:37,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:02:37,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:02:37,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:02:37,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:02:37,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:02:37,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:02:37,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:02:37,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:02:37,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:02:37,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:02:37,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:02:37,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:02:37,133 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-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8ee9428aad4e911e10cde7de8379310dde1b70a [2020-11-29 22:02:37,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:02:37,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:02:37,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:02:37,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:02:37,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:02:37,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/../../sv-benchmarks/c/bitvector/interleave_bits.i [2020-11-29 22:02:37,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/data/a23d0648f/10bc6c0b96504ffc8dbec24b73be9c27/FLAGf3f2e142f [2020-11-29 22:02:37,990 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:02:37,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/sv-benchmarks/c/bitvector/interleave_bits.i [2020-11-29 22:02:37,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/data/a23d0648f/10bc6c0b96504ffc8dbec24b73be9c27/FLAGf3f2e142f [2020-11-29 22:02:38,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/data/a23d0648f/10bc6c0b96504ffc8dbec24b73be9c27 [2020-11-29 22:02:38,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:02:38,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:02:38,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:02:38,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:02:38,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:02:38,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606895b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38, skipping insertion in model container [2020-11-29 22:02:38,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:02:38,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:02:38,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:02:38,621 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:02:38,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:02:38,656 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:02:38,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38 WrapperNode [2020-11-29 22:02:38,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:02:38,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:02:38,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:02:38,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:02:38,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:02:38,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:02:38,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:02:38,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:02:38,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... [2020-11-29 22:02:38,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:02:38,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:02:38,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:02:38,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:02:38,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/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 [2020-11-29 22:02:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:02:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:02:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:02:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:02:39,098 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:02:39,099 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:02:39,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:02:39 BoogieIcfgContainer [2020-11-29 22:02:39,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:02:39,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:02:39,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:02:39,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:02:39,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:02:38" (1/3) ... [2020-11-29 22:02:39,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300bdf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:02:39, skipping insertion in model container [2020-11-29 22:02:39,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:02:38" (2/3) ... [2020-11-29 22:02:39,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300bdf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:02:39, skipping insertion in model container [2020-11-29 22:02:39,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:02:39" (3/3) ... [2020-11-29 22:02:39,117 INFO L111 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2020-11-29 22:02:39,130 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:02:39,136 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-29 22:02:39,149 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-29 22:02:39,173 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:02:39,173 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:02:39,174 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:02:39,174 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:02:39,174 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:02:39,174 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:02:39,174 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:02:39,174 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:02:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-29 22:02:39,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:02:39,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-11-29 22:02:39,233 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:02:39,233 INFO L274 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-11-29 22:02:39,233 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:02:39,234 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:02:39,234 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:02:39,234 INFO L274 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-11-29 22:02:39,234 INFO L277 CegarLoopResult]: At program point L16-2(lines 1 59) the Hoare annotation is: true [2020-11-29 22:02:39,234 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 22:02:39,235 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-29 22:02:39,235 INFO L277 CegarLoopResult]: At program point L41-2(lines 41 44) the Hoare annotation is: true [2020-11-29 22:02:39,235 INFO L274 CegarLoopResult]: For program point L41-3(lines 41 44) no Hoare annotation was computed. [2020-11-29 22:02:39,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:02:39 BoogieIcfgContainer [2020-11-29 22:02:39,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:02:39,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:02:39,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:02:39,245 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:02:39,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:02:39" (3/4) ... [2020-11-29 22:02:39,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:02:39,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 22:02:39,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:02:39,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:02:39,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:02:39,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_577dc64f-a744-4ba5-b395-73772a8ead62/bin/uautomizer/witness.graphml [2020-11-29 22:02:39,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:02:39,309 INFO L168 Benchmark]: Toolchain (without parser) took 945.49 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 51.4 MB in the beginning and 53.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:02:39,310 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:02:39,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.33 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 51.4 MB in the beginning and 76.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:02:39,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.14 ms. Allocated memory is still 98.6 MB. Free memory was 76.7 MB in the beginning and 75.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:02:39,312 INFO L168 Benchmark]: Boogie Preprocessor took 49.30 ms. Allocated memory is still 98.6 MB. Free memory was 75.2 MB in the beginning and 74.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:02:39,313 INFO L168 Benchmark]: RCFGBuilder took 337.00 ms. Allocated memory is still 98.6 MB. Free memory was 74.2 MB in the beginning and 63.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:02:39,314 INFO L168 Benchmark]: TraceAbstraction took 141.59 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 55.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:02:39,314 INFO L168 Benchmark]: Witness Printer took 62.36 ms. Allocated memory is still 98.6 MB. Free memory was 55.8 MB in the beginning and 53.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:02:39,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.33 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 51.4 MB in the beginning and 76.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.14 ms. Allocated memory is still 98.6 MB. Free memory was 76.7 MB in the beginning and 75.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.30 ms. Allocated memory is still 98.6 MB. Free memory was 75.2 MB in the beginning and 74.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 337.00 ms. Allocated memory is still 98.6 MB. Free memory was 74.2 MB in the beginning and 63.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 141.59 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 55.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 62.36 ms. Allocated memory is still 98.6 MB. Free memory was 55.8 MB in the beginning and 53.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, 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=11occurred 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...