./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 .................................................................................................................................................................................................................................................................................... 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 02:55:17,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:55:17,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:55:17,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:55:17,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:55:17,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:55:17,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:55:17,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:55:17,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:55:17,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:55:17,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:55:17,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:55:17,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:55:17,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:55:17,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:55:17,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:55:17,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:55:17,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:55:17,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:55:17,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:55:17,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:55:17,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:55:17,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:55:17,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:55:17,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:55:17,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:55:17,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:55:17,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:55:17,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:55:17,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:55:17,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:55:17,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:55:17,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:55:17,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:55:17,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:55:17,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:55:17,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:55:17,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:55:17,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:55:17,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:55:17,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:55:17,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:55:17,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:55:17,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:55:17,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:55:17,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:55:17,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:55:17,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:55:17,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:55:17,865 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:55:17,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:55:17,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:55:17,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:55:17,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:55:17,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:55:17,866 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:55:17,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:55:17,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:55:17,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:55:17,867 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:55:17,867 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:55:17,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:55:17,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:55:17,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:55:17,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:55:17,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:55:17,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:55:17,870 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:55:17,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:55:17,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:55:17,870 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_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 [2019-11-26 02:55:18,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:55:18,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:55:18,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:55:18,047 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:55:18,047 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:55:18,048 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2019-11-26 02:55:18,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/data/1cc90afa9/8b47ac2972664ef6bc7a9600ecaa2bb4/FLAGdc6fb1ec2 [2019-11-26 02:55:18,472 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:55:18,472 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2019-11-26 02:55:18,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/data/1cc90afa9/8b47ac2972664ef6bc7a9600ecaa2bb4/FLAGdc6fb1ec2 [2019-11-26 02:55:18,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/data/1cc90afa9/8b47ac2972664ef6bc7a9600ecaa2bb4 [2019-11-26 02:55:18,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:55:18,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:55:18,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:55:18,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:55:18,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:55:18,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:55:18" (1/1) ... [2019-11-26 02:55:18,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ac5180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:18, skipping insertion in model container [2019-11-26 02:55:18,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:55:18" (1/1) ... [2019-11-26 02:55:18,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:55:18,925 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:55:19,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:55:19,080 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:55:19,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:55:19,168 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:55:19,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19 WrapperNode [2019-11-26 02:55:19,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:55:19,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:55:19,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:55:19,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:55:19,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:55:19,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:55:19,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:55:19,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:55:19,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:55:19,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:55:19,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:55:19,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:55:19,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/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 02:55:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:55:19,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:55:19,467 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:55:19,467 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:55:19,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:55:19 BoogieIcfgContainer [2019-11-26 02:55:19,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:55:19,468 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:55:19,469 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:55:19,478 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:55:19,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:55:19" (1/1) ... [2019-11-26 02:55:19,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:55:19,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-11-26 02:55:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-11-26 02:55:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:55:19,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:19,694 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 02:55:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2019-11-26 02:55:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-11-26 02:55:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:55:19,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:19,829 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 02:55:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2019-11-26 02:55:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-11-26 02:55:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:55:20,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:20,149 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 02:55:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-26 02:55:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-26 02:55:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:55:20,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:20,455 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 02:55:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-11-26 02:55:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-11-26 02:55:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:55:20,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:20,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2019-11-26 02:55:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2019-11-26 02:55:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:55:20,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:21,054 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 02:55:21,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2019-11-26 02:55:21,574 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-11-26 02:55:21,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:55:21,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2019-11-26 02:55:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-11-26 02:55:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:55:21,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-11-26 02:55:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-26 02:55:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:55:22,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2019-11-26 02:55:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-11-26 02:55:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:55:22,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2019-11-26 02:55:23,054 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2019-11-26 02:55:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:55:23,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-11-26 02:55:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-26 02:55:23,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:55:23,255 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-11-26 02:55:23,262 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-11-26 02:55:23,305 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-26 02:55:23,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:55:23 ImpRootNode [2019-11-26 02:55:23,315 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:55:23,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:55:23,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:55:23,316 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:55:23,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:55:19" (3/4) ... [2019-11-26 02:55:23,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:55:23,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:55:23,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:55:23,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:55:23,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d37f32f4-891b-4dd8-90a0-3f1f42f5fe36/bin/ukojak/witness.graphml [2019-11-26 02:55:23,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:55:23,367 INFO L168 Benchmark]: Toolchain (without parser) took 4469.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 951.4 MB in the beginning and 993.5 MB in the end (delta: -42.1 MB). Peak memory consumption was 165.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:23,367 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:55:23,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:23,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.54 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 02:55:23,369 INFO L168 Benchmark]: Boogie Preprocessor took 18.44 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 02:55:23,369 INFO L168 Benchmark]: RCFGBuilder took 249.87 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:23,370 INFO L168 Benchmark]: CodeCheck took 3846.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 126.0 MB). Peak memory consumption was 181.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:23,370 INFO L168 Benchmark]: Witness Printer took 49.75 ms. Allocated memory is still 1.2 GB. Free memory was 996.0 MB in the beginning and 993.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:23,372 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, 12 locations, 4 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 12442 SDslu, 0 SDs, 0 SdLazy, 59630 SolverSat, 15696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 599 SyntacticMatches, 36 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4028 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 9/24 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && K <= 2147483647) && 0 <= K + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.54 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 18.44 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 249.87 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * CodeCheck took 3846.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 126.0 MB). Peak memory consumption was 181.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.75 ms. Allocated memory is still 1.2 GB. Free memory was 996.0 MB in the beginning and 993.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...