./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca12b384c8180063e3f1c5738f7063e9219b0df5 ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 06:12:15,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:12:15,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:12:15,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:12:15,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:12:15,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:12:15,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:12:15,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:12:15,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:12:15,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:12:15,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:12:15,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:12:15,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:12:15,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:12:15,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:12:15,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:12:15,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:12:15,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:12:15,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:12:15,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:12:15,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:12:15,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:12:15,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:12:15,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:12:15,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:12:15,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:12:15,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:12:15,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:12:15,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:12:15,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:12:15,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:12:15,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:12:15,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:12:15,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:12:15,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:12:15,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:12:15,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:12:15,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:12:15,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:12:15,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:12:15,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:12:15,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-12-02 06:12:15,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:12:15,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:12:15,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 06:12:15,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 06:12:15,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:12:15,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:12:15,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:12:15,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 06:12:15,555 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-02 06:12:15,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:12:15,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 06:12:15,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:12:15,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 06:12:15,556 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:12:15,556 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:12:15,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:12:15,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:12:15,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:12:15,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:12:15,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:12:15,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 06:12:15,557 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:12:15,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:12:15,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 06:12:15,558 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_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak 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 -> Kojak 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 -> ca12b384c8180063e3f1c5738f7063e9219b0df5 [2019-12-02 06:12:15,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:12:15,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:12:15,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:12:15,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:12:15,676 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:12:15,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/../../sv-benchmarks/c/bitvector/gcd_2.c [2019-12-02 06:12:15,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/data/6ca3265b7/bc3070c2676a4de783d80c1fa205672e/FLAG14f653d7d [2019-12-02 06:12:16,143 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:12:16,144 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/sv-benchmarks/c/bitvector/gcd_2.c [2019-12-02 06:12:16,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/data/6ca3265b7/bc3070c2676a4de783d80c1fa205672e/FLAG14f653d7d [2019-12-02 06:12:16,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/data/6ca3265b7/bc3070c2676a4de783d80c1fa205672e [2019-12-02 06:12:16,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:12:16,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:12:16,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:12:16,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:12:16,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:12:16,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad018c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16, skipping insertion in model container [2019-12-02 06:12:16,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:12:16,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:12:16,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:12:16,626 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:12:16,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:12:16,680 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:12:16,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16 WrapperNode [2019-12-02 06:12:16,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:12:16,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:12:16,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:12:16,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:12:16,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:12:16,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:12:16,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:12:16,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:12:16,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:12:16,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:12:16,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:12:16,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:12:16,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-02 06:12:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:12:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:12:16,916 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:12:16,916 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-02 06:12:16,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:12:16 BoogieIcfgContainer [2019-12-02 06:12:16,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:12:16,917 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:12:16,917 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:12:16,924 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:12:16,924 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:12:16" (1/1) ... [2019-12-02 06:12:16,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:12:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:12:16,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2019-12-02 06:12:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-12-02 06:12:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 06:12:16,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:12:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:12:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:12:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:12:17,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-12-02 06:12:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-02 06:12:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 06:12:17,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:12:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:12:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:12:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:12:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2019-12-02 06:12:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-02 06:12:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 06:12:17,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:12:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:12:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:12:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:12:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-12-02 06:12:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-02 06:12:17,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 06:12:17,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:12:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:12:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:12:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:12:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-02 06:12:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-02 06:12:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 06:12:17,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:12:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:12:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:12:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:12:17,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-02 06:12:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-02 06:12:17,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 06:12:17,381 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-12-02 06:12:17,388 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-12-02 06:12:17,407 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:12:17,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:12:17 ImpRootNode [2019-12-02 06:12:17,410 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:12:17,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:12:17,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:12:17,411 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:12:17,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:12:16" (3/4) ... [2019-12-02 06:12:17,415 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 06:12:17,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-02 06:12:17,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-02 06:12:17,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 06:12:17,457 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b30c9c0-97ee-469a-a1ed-cab3c1c074dd/bin/ukojak/witness.graphml [2019-12-02 06:12:17,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:12:17,458 INFO L168 Benchmark]: Toolchain (without parser) took 957.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 944.7 MB in the beginning and 983.7 MB in the end (delta: -38.9 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2019-12-02 06:12:17,459 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:12:17,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-02 06:12:17,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:12:17,460 INFO L168 Benchmark]: Boogie Preprocessor took 14.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:12:17,460 INFO L168 Benchmark]: RCFGBuilder took 198.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-12-02 06:12:17,460 INFO L168 Benchmark]: CodeCheck took 493.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2019-12-02 06:12:17,460 INFO L168 Benchmark]: Witness Printer took 46.28 ms. Allocated memory is still 1.1 GB. Free memory is still 983.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:12:17,462 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 132 SDslu, 0 SDs, 0 SdLazy, 496 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 198.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * CodeCheck took 493.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. * Witness Printer took 46.28 ms. Allocated memory is still 1.1 GB. Free memory is still 983.7 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...