./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c -s /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9fd3bf4b32d34628b01b5d29cc6df1452a2d1c7 ....................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:02:21,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:02:21,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:02:21,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:02:21,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:02:21,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:02:21,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:02:21,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:02:21,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:02:21,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:02:21,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:02:21,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:02:21,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:02:21,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:02:21,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:02:21,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:02:21,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:02:21,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:02:21,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:02:21,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:02:21,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:02:21,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:02:21,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:02:21,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:02:21,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:02:21,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:02:21,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:02:21,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:02:21,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:02:21,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:02:21,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:02:21,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:02:21,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:02:21,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:02:21,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:02:21,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:02:21,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:02:21,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:02:21,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:02:21,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:02:21,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:02:21,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:02:21,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:02:21,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:02:21,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:02:21,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:02:21,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:02:21,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:02:21,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:02:21,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:02:21,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:02:21,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:02:21,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:02:21,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:02:21,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:02:21,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:02:21,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:02:21,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:02:21,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:02:21,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:02:21,807 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:02:21,807 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:02:21,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:02:21,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:02:21,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:02:21,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:02:21,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:02:21,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:02:21,809 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:02:21,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:02:21,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:02:21,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9fd3bf4b32d34628b01b5d29cc6df1452a2d1c7 [2020-12-01 18:02:22,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:02:22,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:02:22,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:02:22,135 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:02:22,140 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:02:22,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2020-12-01 18:02:22,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/data/14ade53a5/4cecba2d220544aabdaa5394fe5108d2/FLAGdb99cb74f [2020-12-01 18:02:22,875 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:02:22,876 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2020-12-01 18:02:22,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/data/14ade53a5/4cecba2d220544aabdaa5394fe5108d2/FLAGdb99cb74f [2020-12-01 18:02:23,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/data/14ade53a5/4cecba2d220544aabdaa5394fe5108d2 [2020-12-01 18:02:23,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:02:23,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:02:23,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:23,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:02:23,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:02:23,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:23,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b82fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23, skipping insertion in model container [2020-12-01 18:02:23,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:23,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:02:23,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:02:23,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:23,861 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:02:23,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:23,983 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:02:23,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23 WrapperNode [2020-12-01 18:02:23,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:23,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:23,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:02:23,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:02:23,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:24,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:02:24,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:02:24,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:02:24,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:24,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:02:24,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:02:24,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:02:24,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:02:24,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/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 [2020-12-01 18:02:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:02:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:02:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:02:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:02:27,264 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:02:27,265 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:02:27,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:27 BoogieIcfgContainer [2020-12-01 18:02:27,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:02:27,271 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:02:27,272 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:02:27,285 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:02:27,286 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:27" (1/1) ... [2020-12-01 18:02:27,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:02:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:27,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2020-12-01 18:02:27,362 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2020-12-01 18:02:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 18:02:27,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:28,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2020-12-01 18:02:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2020-12-01 18:02:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 18:02:28,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2020-12-01 18:02:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2020-12-01 18:02:30,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 18:02:30,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 329 states and 429 transitions. [2020-12-01 18:02:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 429 transitions. [2020-12-01 18:02:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 18:02:30,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:02:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 404 states and 509 transitions. [2020-12-01 18:02:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 509 transitions. [2020-12-01 18:02:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 18:02:32,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 18:02:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 405 states and 511 transitions. [2020-12-01 18:02:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 511 transitions. [2020-12-01 18:02:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 18:02:32,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:32,800 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 18:02:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 406 states and 511 transitions. [2020-12-01 18:02:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 511 transitions. [2020-12-01 18:02:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-01 18:02:32,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 18:02:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:33,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 407 states and 511 transitions. [2020-12-01 18:02:33,135 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 511 transitions. [2020-12-01 18:02:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-12-01 18:02:33,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 18:02:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 482 states and 586 transitions. [2020-12-01 18:02:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 586 transitions. [2020-12-01 18:02:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-12-01 18:02:33,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 18:02:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 490 states and 594 transitions. [2020-12-01 18:02:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 594 transitions. [2020-12-01 18:02:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-12-01 18:02:34,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 18:02:34,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 250 states and 327 transitions. [2020-12-01 18:02:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 327 transitions. [2020-12-01 18:02:34,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:02:34,859 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2020-12-01 18:02:34,868 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:02:37,851 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:02:37,855 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 18:02:37,861 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 18:02:37,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:02:37 ImpRootNode [2020-12-01 18:02:37,862 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:02:37,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:02:37,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:02:37,864 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:02:37,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:27" (3/4) ... [2020-12-01 18:02:37,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:02:37,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2020-12-01 18:02:37,894 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 18:02:37,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 18:02:37,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:02:38,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_277b7c17-aa63-4e22-96cc-d25d3de41927/bin/ukojak/witness.graphml [2020-12-01 18:02:38,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:02:38,110 INFO L168 Benchmark]: Toolchain (without parser) took 14942.80 ms. Allocated memory was 172.0 MB in the beginning and 325.1 MB in the end (delta: 153.1 MB). Free memory was 142.4 MB in the beginning and 272.8 MB in the end (delta: -130.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:38,111 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:02:38,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.71 ms. Allocated memory is still 172.0 MB. Free memory was 142.4 MB in the beginning and 132.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:38,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.90 ms. Allocated memory is still 172.0 MB. Free memory was 132.6 MB in the beginning and 127.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:38,114 INFO L168 Benchmark]: Boogie Preprocessor took 76.93 ms. Allocated memory is still 172.0 MB. Free memory was 127.2 MB in the beginning and 122.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:38,115 INFO L168 Benchmark]: RCFGBuilder took 3096.01 ms. Allocated memory was 172.0 MB in the beginning and 224.4 MB in the end (delta: 52.4 MB). Free memory was 122.3 MB in the beginning and 168.4 MB in the end (delta: -46.1 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:38,116 INFO L168 Benchmark]: CodeCheck took 10591.37 ms. Allocated memory was 224.4 MB in the beginning and 325.1 MB in the end (delta: 100.7 MB). Free memory was 168.4 MB in the beginning and 287.5 MB in the end (delta: -119.1 MB). Peak memory consumption was 166.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:38,117 INFO L168 Benchmark]: Witness Printer took 244.95 ms. Allocated memory is still 325.1 MB. Free memory was 287.5 MB in the beginning and 272.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:38,120 INFO L339 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, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6152 SDtfs, 236626 SDslu, 18728 SDs, 0 SdLazy, 585908 SolverSat, 123778 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12127 GetRequests, 11404 SyntacticMatches, 683 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1607 NumberOfCodeBlocks, 1607 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1597 ConstructedInterpolants, 0 QuantifiedInterpolants, 759847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 1012/1036 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: 12]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (a17 <= 8 && a28 <= 10) || (!(a11 == 1) && 10 < a28) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (a17 <= 8 && a28 <= 10) || (!(a11 == 1) && 10 < a28) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 815.71 ms. Allocated memory is still 172.0 MB. Free memory was 142.4 MB in the beginning and 132.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.90 ms. Allocated memory is still 172.0 MB. Free memory was 132.6 MB in the beginning and 127.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.93 ms. Allocated memory is still 172.0 MB. Free memory was 127.2 MB in the beginning and 122.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3096.01 ms. Allocated memory was 172.0 MB in the beginning and 224.4 MB in the end (delta: 52.4 MB). Free memory was 122.3 MB in the beginning and 168.4 MB in the end (delta: -46.1 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. * CodeCheck took 10591.37 ms. Allocated memory was 224.4 MB in the beginning and 325.1 MB in the end (delta: 100.7 MB). Free memory was 168.4 MB in the beginning and 287.5 MB in the end (delta: -119.1 MB). Peak memory consumption was 166.2 MB. Max. memory is 16.1 GB. * Witness Printer took 244.95 ms. Allocated memory is still 325.1 MB. Free memory was 287.5 MB in the beginning and 272.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...