./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label57.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/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 fad690d4865ac474e072bb602958ef02a6bf3393 ....................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:37:05,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:05,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:05,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:05,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:05,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:05,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:05,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:05,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:05,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:05,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:05,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:05,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:05,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:05,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:05,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:05,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:05,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:05,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:05,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:05,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:05,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:05,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:05,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:05,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:05,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:05,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:05,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:05,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:05,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:05,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:05,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:05,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:05,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:05,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:05,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:05,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:05,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:05,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:05,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:05,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:05,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:37:05,882 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:05,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:05,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:05,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:05,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:05,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:05,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:05,886 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:37:05,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:05,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:37:05,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:05,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:05,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:05,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:05,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:37:05,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:05,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:05,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:05,890 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:05,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:05,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:05,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:05,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:05,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:05,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:05,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:05,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:05,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:05,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:05,894 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_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fad690d4865ac474e072bb602958ef02a6bf3393 [2020-11-28 04:37:06,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:06,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:06,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:06,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:06,191 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:06,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label57.c [2020-11-28 04:37:06,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/data/5f3add296/fe5d6cbcd34d49f3aa7124bedd477507/FLAG6589e8c04 [2020-11-28 04:37:06,879 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:06,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/sv-benchmarks/c/eca-rers2012/Problem02_label57.c [2020-11-28 04:37:06,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/data/5f3add296/fe5d6cbcd34d49f3aa7124bedd477507/FLAG6589e8c04 [2020-11-28 04:37:07,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/data/5f3add296/fe5d6cbcd34d49f3aa7124bedd477507 [2020-11-28 04:37:07,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:07,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:07,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:07,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:07,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:07,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772fbfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07, skipping insertion in model container [2020-11-28 04:37:07,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:07,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:07,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:07,598 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:37:07,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:07,754 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:37:07,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07 WrapperNode [2020-11-28 04:37:07,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:07,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:07,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:37:07,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:37:07,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:07,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:37:07,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:37:07,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:37:07,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... [2020-11-28 04:37:07,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:37:07,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:37:07,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:37:07,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:37:07,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/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 [2020-11-28 04:37:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:37:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:37:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:37:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:37:10,135 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:37:10,135 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:37:10,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:10 BoogieIcfgContainer [2020-11-28 04:37:10,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:37:10,139 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:37:10,139 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:37:10,150 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:37:10,151 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:10" (1/1) ... [2020-11-28 04:37:10,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:37:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2020-11-28 04:37:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2020-11-28 04:37:10,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:37:10,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2020-11-28 04:37:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2020-11-28 04:37:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-28 04:37:11,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2020-11-28 04:37:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2020-11-28 04:37:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-28 04:37:12,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:13,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 329 states and 429 transitions. [2020-11-28 04:37:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 429 transitions. [2020-11-28 04:37:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-28 04:37:13,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:37:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:14,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 404 states and 509 transitions. [2020-11-28 04:37:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 509 transitions. [2020-11-28 04:37:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-28 04:37:14,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-28 04:37:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 405 states and 511 transitions. [2020-11-28 04:37:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 511 transitions. [2020-11-28 04:37:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-28 04:37:15,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-28 04:37:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 406 states and 511 transitions. [2020-11-28 04:37:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 511 transitions. [2020-11-28 04:37:15,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-28 04:37:15,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-28 04:37:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 407 states and 511 transitions. [2020-11-28 04:37:15,821 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 511 transitions. [2020-11-28 04:37:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-28 04:37:15,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-28 04:37:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 482 states and 586 transitions. [2020-11-28 04:37:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 586 transitions. [2020-11-28 04:37:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-28 04:37:16,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-28 04:37:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 490 states and 594 transitions. [2020-11-28 04:37:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 594 transitions. [2020-11-28 04:37:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-28 04:37:17,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-28 04:37:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 250 states and 327 transitions. [2020-11-28 04:37:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 327 transitions. [2020-11-28 04:37:17,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:37:17,556 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2020-11-28 04:37:17,564 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:37:20,635 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:37:20,639 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:37:20,645 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:37:20,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:37:20 ImpRootNode [2020-11-28 04:37:20,646 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:37:20,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:37:20,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:37:20,647 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:37:20,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:10" (3/4) ... [2020-11-28 04:37:20,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:37:20,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2020-11-28 04:37:20,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-28 04:37:20,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 04:37:20,679 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:37:20,829 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cd6f304e-6768-44cc-9ad3-4e4a8439afb0/bin/ukojak/witness.graphml [2020-11-28 04:37:20,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:37:20,831 INFO L168 Benchmark]: Toolchain (without parser) took 13664.98 ms. Allocated memory was 107.0 MB in the beginning and 335.5 MB in the end (delta: 228.6 MB). Free memory was 76.3 MB in the beginning and 200.9 MB in the end (delta: -124.6 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:20,831 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.7 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:20,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.09 ms. Allocated memory is still 107.0 MB. Free memory was 76.0 MB in the beginning and 68.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:20,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 63.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:20,833 INFO L168 Benchmark]: Boogie Preprocessor took 56.16 ms. Allocated memory is still 107.0 MB. Free memory was 63.5 MB in the beginning and 58.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:20,833 INFO L168 Benchmark]: RCFGBuilder took 2218.60 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 58.9 MB in the beginning and 41.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:20,834 INFO L168 Benchmark]: CodeCheck took 10507.94 ms. Allocated memory was 132.1 MB in the beginning and 335.5 MB in the end (delta: 203.4 MB). Free memory was 41.3 MB in the beginning and 216.7 MB in the end (delta: -175.4 MB). Peak memory consumption was 141.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:20,834 INFO L168 Benchmark]: Witness Printer took 182.24 ms. Allocated memory is still 335.5 MB. Free memory was 216.7 MB in the beginning and 200.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:20,836 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: 7.3s, 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, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12127 GetRequests, 11404 SyntacticMatches, 683 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s 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 0.20 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.7 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 590.09 ms. Allocated memory is still 107.0 MB. Free memory was 76.0 MB in the beginning and 68.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 63.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.16 ms. Allocated memory is still 107.0 MB. Free memory was 63.5 MB in the beginning and 58.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2218.60 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 58.9 MB in the beginning and 41.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * CodeCheck took 10507.94 ms. Allocated memory was 132.1 MB in the beginning and 335.5 MB in the end (delta: 203.4 MB). Free memory was 41.3 MB in the beginning and 216.7 MB in the end (delta: -175.4 MB). Peak memory consumption was 141.3 MB. Max. memory is 16.1 GB. * Witness Printer took 182.24 ms. Allocated memory is still 335.5 MB. Free memory was 216.7 MB in the beginning and 200.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...