./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63f7c8c7ba82d0f06d2a9c7ce1330ebd768db6f2 ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:17:53,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:54,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:54,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:54,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:54,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:54,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:54,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:54,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:54,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:54,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:54,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:54,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:54,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:54,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:54,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:54,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:54,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:54,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:54,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:54,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:54,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:54,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:54,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:54,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:54,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:54,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:54,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:54,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:54,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:54,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:54,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:54,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:54,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:54,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:54,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:54,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:54,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:54,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:54,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:54,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:54,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:17:54,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:54,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:54,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:54,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:54,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:54,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:54,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:54,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:54,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:54,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:54,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:54,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:54,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:54,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:54,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:54,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:54,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:54,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:54,048 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:54,048 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:54,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:54,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:54,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:54,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:54,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:54,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:54,049 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:54,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:54,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:54,050 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/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/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 ! call(__VERIFIER_error())) ) 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 -> 63f7c8c7ba82d0f06d2a9c7ce1330ebd768db6f2 [2019-10-22 10:17:54,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:54,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:54,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:54,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:54,087 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:54,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-10-22 10:17:54,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/data/28b7522ec/373c2c448e7040a2841c3270b394d910/FLAG80a1089fe [2019-10-22 10:17:54,511 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:54,512 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-10-22 10:17:54,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/data/28b7522ec/373c2c448e7040a2841c3270b394d910/FLAG80a1089fe [2019-10-22 10:17:54,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/data/28b7522ec/373c2c448e7040a2841c3270b394d910 [2019-10-22 10:17:54,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:54,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:54,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:54,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:54,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:54,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:54" (1/1) ... [2019-10-22 10:17:54,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb0d97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:54, skipping insertion in model container [2019-10-22 10:17:54,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:54" (1/1) ... [2019-10-22 10:17:54,949 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:54,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:55,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:55,145 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:55,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:55,234 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:55,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55 WrapperNode [2019-10-22 10:17:55,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:55,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:55,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:55,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:55,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:55,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:55,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:55,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:55,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:55,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:55,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:55,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:55,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/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 [2019-10-22 10:17:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:55,456 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:55,456 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:17:55,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:55 BoogieIcfgContainer [2019-10-22 10:17:55,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:55,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:55,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:55,467 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:55,468 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:55" (1/1) ... [2019-10-22 10:17:55,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:55,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-10-22 10:17:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-10-22 10:17:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:17:55,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2019-10-22 10:17:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-10-22 10:17:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:17:55,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2019-10-22 10:17:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2019-10-22 10:17:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:17:55,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-10-22 10:17:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-10-22 10:17:56,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:17:56,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-10-22 10:17:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-10-22 10:17:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:17:56,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:56,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2019-10-22 10:17:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2019-10-22 10:17:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:17:56,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:56,546 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2019-10-22 10:17:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2019-10-22 10:17:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:17:56,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:56,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2019-10-22 10:17:56,963 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2019-10-22 10:17:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:17:56,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2019-10-22 10:17:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2019-10-22 10:17:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:17:57,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2019-10-22 10:17:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2019-10-22 10:17:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:17:57,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2019-10-22 10:17:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2019-10-22 10:17:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:17:57,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2019-10-22 10:17:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2019-10-22 10:17:58,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:58,180 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-10-22 10:17:58,191 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:17:58,250 INFO L575 CodeCheckObserver]: Invariant with dag size 32 [2019-10-22 10:17:58,259 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:58,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:58 ImpRootNode [2019-10-22 10:17:58,260 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:58,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:58,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:58,260 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:58,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:55" (3/4) ... [2019-10-22 10:17:58,264 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:58,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:17:58,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:17:58,310 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f5372d6e-999e-41cb-be9c-bd88d99422be/bin/ukojak/witness.graphml [2019-10-22 10:17:58,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:58,312 INFO L168 Benchmark]: Toolchain (without parser) took 3376.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 940.4 MB in the beginning and 1.0 GB in the end (delta: -75.6 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:58,313 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 964.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:58,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -218.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:58,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.13 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:58,314 INFO L168 Benchmark]: Boogie Preprocessor took 16.85 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. [2019-10-22 10:17:58,314 INFO L168 Benchmark]: RCFGBuilder took 170.76 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:58,315 INFO L168 Benchmark]: CodeCheck took 2801.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:58,315 INFO L168 Benchmark]: Witness Printer took 50.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:58,317 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11264 SDtfs, 4096 SDslu, 4096 SDs, 0 SdLazy, 28652 SolverSat, 14328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 1000 SyntacticMatches, 75 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 6595 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 0/220 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: 43]: 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: 25]: Loop Invariant Derived loop invariant: ((((main__x + 71 <= 6 * main__y || main__x + 105 <= 10 * main__y) || main__x + 60 <= 4 * main__y) || main__x + 86 <= 8 * main__y) || main__x + 53 <= 2 * main__y) || main__x + 50 <= 0 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 * 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 964.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -218.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.13 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.85 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. * RCFGBuilder took 170.76 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2801.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...