./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/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 3894847563f94cbdd0635f6155c1daf0bb2475fc ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 02:37:26,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 02:37:26,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 02:37:26,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 02:37:26,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 02:37:26,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 02:37:26,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 02:37:26,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 02:37:26,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 02:37:26,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 02:37:26,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 02:37:26,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 02:37:26,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 02:37:26,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 02:37:26,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 02:37:26,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 02:37:26,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 02:37:26,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 02:37:26,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 02:37:26,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 02:37:26,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 02:37:26,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 02:37:26,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 02:37:26,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 02:37:26,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 02:37:26,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 02:37:26,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 02:37:26,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 02:37:26,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 02:37:26,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 02:37:26,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 02:37:26,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 02:37:26,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 02:37:26,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 02:37:26,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 02:37:26,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 02:37:26,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 02:37:26,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 02:37:26,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 02:37:26,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 02:37:26,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 02:37:26,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 02:37:26,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 02:37:26,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 02:37:26,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 02:37:26,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 02:37:26,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 02:37:26,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 02:37:26,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 02:37:26,814 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 02:37:26,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 02:37:26,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 02:37:26,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 02:37:26,816 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 02:37:26,816 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 02:37:26,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 02:37:26,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 02:37:26,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 02:37:26,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 02:37:26,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 02:37:26,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 02:37:26,816 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 02:37:26,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 02:37:26,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 02:37:26,817 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_7127e198-09b3-4e00-b463-a57f29d46f05/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 -> 3894847563f94cbdd0635f6155c1daf0bb2475fc [2019-12-01 02:37:26,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 02:37:26,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 02:37:26,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 02:37:26,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 02:37:26,926 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 02:37:26,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-12-01 02:37:26,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/data/93be4861c/1b22c6e8f44142e38fbf83852695012a/FLAGf3eac3cc3 [2019-12-01 02:37:27,369 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 02:37:27,369 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-12-01 02:37:27,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/data/93be4861c/1b22c6e8f44142e38fbf83852695012a/FLAGf3eac3cc3 [2019-12-01 02:37:27,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/data/93be4861c/1b22c6e8f44142e38fbf83852695012a [2019-12-01 02:37:27,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 02:37:27,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 02:37:27,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 02:37:27,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 02:37:27,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 02:37:27,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4b4e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27, skipping insertion in model container [2019-12-01 02:37:27,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 02:37:27,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 02:37:27,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 02:37:27,549 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 02:37:27,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 02:37:27,569 INFO L208 MainTranslator]: Completed translation [2019-12-01 02:37:27,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27 WrapperNode [2019-12-01 02:37:27,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 02:37:27,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 02:37:27,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 02:37:27,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 02:37:27,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 02:37:27,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 02:37:27,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 02:37:27,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 02:37:27,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 02:37:27,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 02:37:27,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 02:37:27,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 02:37:27,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:37:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/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 [2019-12-01 02:37:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 02:37:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 02:37:27,745 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 02:37:27,746 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-01 02:37:27,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:37:27 BoogieIcfgContainer [2019-12-01 02:37:27,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 02:37:27,747 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 02:37:27,747 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 02:37:27,753 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 02:37:27,754 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:37:27" (1/1) ... [2019-12-01 02:37:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 02:37:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-12-01 02:37:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-12-01 02:37:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 02:37:27,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2019-12-01 02:37:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-12-01 02:37:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 02:37:27,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2019-12-01 02:37:28,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2019-12-01 02:37:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 02:37:28,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:28,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-12-01 02:37:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-12-01 02:37:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 02:37:28,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-12-01 02:37:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-12-01 02:37:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 02:37:28,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2019-12-01 02:37:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2019-12-01 02:37:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 02:37:28,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2019-12-01 02:37:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2019-12-01 02:37:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 02:37:28,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2019-12-01 02:37:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2019-12-01 02:37:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 02:37:28,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2019-12-01 02:37:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2019-12-01 02:37:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 02:37:28,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2019-12-01 02:37:29,204 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2019-12-01 02:37:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 02:37:29,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2019-12-01 02:37:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2019-12-01 02:37:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 02:37:29,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:37:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:37:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:37:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:37:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2019-12-01 02:37:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2019-12-01 02:37:29,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 02:37:29,671 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-12-01 02:37:29,677 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 02:37:29,725 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-01 02:37:29,734 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 02:37:29,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:37:29 ImpRootNode [2019-12-01 02:37:29,734 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 02:37:29,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 02:37:29,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 02:37:29,735 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 02:37:29,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:37:27" (3/4) ... [2019-12-01 02:37:29,738 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 02:37:29,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 02:37:29,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 02:37:29,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7127e198-09b3-4e00-b463-a57f29d46f05/bin/ukojak/witness.graphml [2019-12-01 02:37:29,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 02:37:29,776 INFO L168 Benchmark]: Toolchain (without parser) took 2391.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 944.7 MB in the beginning and 947.7 MB in the end (delta: -3.0 MB). Peak memory consumption was 92.9 MB. Max. memory is 11.5 GB. [2019-12-01 02:37:29,777 INFO L168 Benchmark]: CDTParser took 0.13 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. [2019-12-01 02:37:29,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-01 02:37:29,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.64 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. [2019-12-01 02:37:29,778 INFO L168 Benchmark]: Boogie Preprocessor took 10.51 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. [2019-12-01 02:37:29,778 INFO L168 Benchmark]: RCFGBuilder took 145.27 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-01 02:37:29,778 INFO L168 Benchmark]: CodeCheck took 1987.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.5 MB in the end (delta: 124.4 MB). Peak memory consumption was 124.4 MB. Max. memory is 11.5 GB. [2019-12-01 02:37:29,779 INFO L168 Benchmark]: Witness Printer took 40.54 ms. Allocated memory is still 1.1 GB. Free memory was 949.5 MB in the beginning and 947.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-01 02:37:29,781 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: 1.9s, 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, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 1000 SyntacticMatches, 75 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s 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 + 60 <= 4 * main__y || main__x + 53 <= 2 * main__y) || main__x + 71 <= 6 * main__y) || main__x + 86 <= 8 * main__y) || main__x + 105 <= 10 * 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 0.13 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 184.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.64 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 10.51 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 145.27 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1987.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.5 MB in the end (delta: 124.4 MB). Peak memory consumption was 124.4 MB. Max. memory is 11.5 GB. * Witness Printer took 40.54 ms. Allocated memory is still 1.1 GB. Free memory was 949.5 MB in the beginning and 947.7 MB 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...