./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.i -s /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/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 225f0ddf9f4fc2bb07a34316827f4c052bf2e72a ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:04:14,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:04:14,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:04:14,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:04:14,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:04:14,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:04:14,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:04:14,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:04:14,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:04:14,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:04:14,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:04:14,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:04:14,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:04:14,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:04:14,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:04:14,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:04:14,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:04:14,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:04:14,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:04:14,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:04:14,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:04:14,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:04:14,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:04:14,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:04:14,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:04:14,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:04:14,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:04:14,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:04:14,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:04:14,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:04:14,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:04:14,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:04:14,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:04:14,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:04:14,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:04:14,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:04:14,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:04:14,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:04:14,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:04:14,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:04:14,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:04:14,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:04:14,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:04:14,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:04:14,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:04:14,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:04:14,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:04:14,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:04:14,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:04:14,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:04:14,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:04:14,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:04:14,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:04:14,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:04:14,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:04:14,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:04:14,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:04:14,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:04:14,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:04:14,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:04:14,868 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:04:14,868 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:04:14,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:04:14,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:04:14,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:04:14,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:04:14,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:04:14,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:04:14,871 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:04:14,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:04:14,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:04:14,872 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_733e2a18-601a-45cb-9023-7b411cee0af9/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 -> 225f0ddf9f4fc2bb07a34316827f4c052bf2e72a [2019-11-26 02:04:15,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:04:15,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:04:15,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:04:15,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:04:15,075 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:04:15,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.i [2019-11-26 02:04:15,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/data/8779f054c/fa9fb4ac41224a49b370b52ade6985a0/FLAGead6cfa69 [2019-11-26 02:04:15,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:04:15,553 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/sv-benchmarks/c/loop-lit/gsv2008.i [2019-11-26 02:04:15,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/data/8779f054c/fa9fb4ac41224a49b370b52ade6985a0/FLAGead6cfa69 [2019-11-26 02:04:15,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/data/8779f054c/fa9fb4ac41224a49b370b52ade6985a0 [2019-11-26 02:04:15,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:04:15,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:04:15,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:15,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:04:15,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:04:15,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:15" (1/1) ... [2019-11-26 02:04:15,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162cf989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:15, skipping insertion in model container [2019-11-26 02:04:15,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:15" (1/1) ... [2019-11-26 02:04:16,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:04:16,017 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:04:16,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:04:16,218 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:04:16,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:04:16,330 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:04:16,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16 WrapperNode [2019-11-26 02:04:16,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:16,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:04:16,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:04:16,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:04:16,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:04:16,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:04:16,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:04:16,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:04:16,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:04:16,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:04:16,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:04:16,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:04:16,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/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 [2019-11-26 02:04:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:04:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:04:16,673 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:04:16,673 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:04:16,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:16 BoogieIcfgContainer [2019-11-26 02:04:16,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:04:16,675 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:04:16,675 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:04:16,685 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:04:16,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:16" (1/1) ... [2019-11-26 02:04:16,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:04:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-26 02:04:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-26 02:04:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:04:16,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-11-26 02:04:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-11-26 02:04:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:04:16,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-11-26 02:04:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-11-26 02:04:17,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:04:17,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2019-11-26 02:04:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2019-11-26 02:04:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:04:17,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:17,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2019-11-26 02:04:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2019-11-26 02:04:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:04:17,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2019-11-26 02:04:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2019-11-26 02:04:17,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:04:17,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2019-11-26 02:04:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2019-11-26 02:04:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:04:18,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:18,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2019-11-26 02:04:18,702 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2019-11-26 02:04:18,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:04:18,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2019-11-26 02:04:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2019-11-26 02:04:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:04:19,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-11-26 02:04:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-11-26 02:04:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:04:19,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:19,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2019-11-26 02:04:19,711 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2019-11-26 02:04:19,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:04:19,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2019-11-26 02:04:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2019-11-26 02:04:20,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:04:20,155 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-11-26 02:04:20,164 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:04:20,246 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:04:20,249 INFO L569 CodeCheckObserver]: Invariant with dag size 35 [2019-11-26 02:04:20,256 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:04:20,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:04:20 ImpRootNode [2019-11-26 02:04:20,256 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:04:20,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:04:20,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:04:20,257 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:04:20,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:16" (3/4) ... [2019-11-26 02:04:20,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:04:20,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:04:20,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:04:20,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_733e2a18-601a-45cb-9023-7b411cee0af9/bin/ukojak/witness.graphml [2019-11-26 02:04:20,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:04:20,311 INFO L168 Benchmark]: Toolchain (without parser) took 4325.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:20,311 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:04:20,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:20,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:04:20,313 INFO L168 Benchmark]: Boogie Preprocessor took 17.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:04:20,314 INFO L168 Benchmark]: RCFGBuilder took 293.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:20,314 INFO L168 Benchmark]: CodeCheck took 3581.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -25.5 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:20,315 INFO L168 Benchmark]: Witness Printer took 51.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:20,320 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: 3.4s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7168 SDtfs, 2048 SDslu, 2048 SDs, 0 SdLazy, 28652 SolverSat, 14328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1050 GetRequests, 921 SyntacticMatches, 65 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 5518 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: 5]: 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: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (((((x + 56 <= 3 * y || x + 71 <= 6 * y) || x + 86 <= 8 * y) || x + 65 <= 5 * y) || x + 105 <= 10 * y) || x + 51 <= y) || x + 50 <= 0 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 293.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * CodeCheck took 3581.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -25.5 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. * Witness Printer took 51.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...