./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/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-a4ecdab [2020-11-28 04:31:55,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:31:55,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:31:55,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:31:55,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:31:55,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:31:55,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:31:55,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:31:55,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:31:55,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:31:55,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:31:55,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:31:55,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:31:55,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:31:55,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:31:55,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:31:55,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:31:55,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:31:55,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:31:55,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:31:55,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:31:55,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:31:55,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:31:55,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:31:55,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:31:55,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:31:55,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:31:55,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:31:55,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:31:55,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:31:55,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:31:55,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:31:55,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:31:55,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:31:55,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:31:55,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:31:55,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:31:55,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:31:55,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:31:55,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:31:55,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:31:55,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:31:55,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:31:55,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:31:55,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:31:55,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:31:55,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:31:55,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:31:55,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:31:55,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:31:55,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:31:55,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:31:55,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:31:55,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:31:55,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:31:55,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:31:55,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:31:55,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:31:55,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:31:55,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:31:55,967 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:31:55,968 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:31:55,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:31:55,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:31:55,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:31:55,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:31:55,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:31:55,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:31:55,969 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:31:55,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:31:55,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:31:55,970 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_4cecbbae-93df-4578-8223-76bc23fb7662/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9fd3bf4b32d34628b01b5d29cc6df1452a2d1c7 [2020-11-28 04:31:56,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:31:56,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:31:56,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:31:56,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:31:56,256 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:31:56,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2020-11-28 04:31:56,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/data/bd95e2758/f1d4d0699f344aa1a564a59111120680/FLAGe72eeaef2 [2020-11-28 04:31:56,953 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:31:56,953 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2020-11-28 04:31:56,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/data/bd95e2758/f1d4d0699f344aa1a564a59111120680/FLAGe72eeaef2 [2020-11-28 04:31:57,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/data/bd95e2758/f1d4d0699f344aa1a564a59111120680 [2020-11-28 04:31:57,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:31:57,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:31:57,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:31:57,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:31:57,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:31:57,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:57,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701259b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57, skipping insertion in model container [2020-11-28 04:31:57,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:57,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:31:57,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:31:57,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:31:57,844 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:31:57,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:31:57,996 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:31:57,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57 WrapperNode [2020-11-28 04:31:57,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:31:57,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:31:57,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:31:57,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:31:58,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:31:58,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:31:58,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:31:58,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:31:58,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... [2020-11-28 04:31:58,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:31:58,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:31:58,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:31:58,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:31:58,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/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 04:31:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:31:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:31:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:31:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:32:01,157 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:32:01,158 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:32:01,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:01 BoogieIcfgContainer [2020-11-28 04:32:01,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:32:01,163 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:32:01,163 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:32:01,173 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:32:01,174 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:01" (1/1) ... [2020-11-28 04:32:01,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:32:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:01,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2020-11-28 04:32:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2020-11-28 04:32:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:32:01,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:01,704 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 04:32:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2020-11-28 04:32:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2020-11-28 04:32:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-28 04:32:02,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:02,713 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 04:32:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:03,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2020-11-28 04:32:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2020-11-28 04:32:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-28 04:32:03,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:03,880 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 04:32:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 329 states and 429 transitions. [2020-11-28 04:32:04,484 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 429 transitions. [2020-11-28 04:32:04,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-28 04:32:04,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:04,674 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 04:32:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:05,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 404 states and 509 transitions. [2020-11-28 04:32:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 509 transitions. [2020-11-28 04:32:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-28 04:32:05,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:06,001 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 04:32:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 405 states and 511 transitions. [2020-11-28 04:32:06,155 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 511 transitions. [2020-11-28 04:32:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-28 04:32:06,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:06,300 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 04:32:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 406 states and 511 transitions. [2020-11-28 04:32:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 511 transitions. [2020-11-28 04:32:06,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-28 04:32:06,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:06,669 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 04:32:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 407 states and 511 transitions. [2020-11-28 04:32:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 511 transitions. [2020-11-28 04:32:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-28 04:32:06,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:06,921 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 04:32:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 482 states and 586 transitions. [2020-11-28 04:32:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 586 transitions. [2020-11-28 04:32:07,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-28 04:32:07,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:07,827 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 04:32:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 490 states and 594 transitions. [2020-11-28 04:32:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 594 transitions. [2020-11-28 04:32:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-28 04:32:08,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:08,282 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 04:32:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 250 states and 327 transitions. [2020-11-28 04:32:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 327 transitions. [2020-11-28 04:32:08,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:32:08,487 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2020-11-28 04:32:08,499 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:32:11,281 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:11,284 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:32:11,291 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:32:11,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:32:11 ImpRootNode [2020-11-28 04:32:11,292 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:32:11,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:32:11,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:32:11,293 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:32:11,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:01" (3/4) ... [2020-11-28 04:32:11,296 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:32:11,320 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2020-11-28 04:32:11,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-28 04:32:11,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-28 04:32:11,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 04:32:11,533 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4cecbbae-93df-4578-8223-76bc23fb7662/bin/ukojak/witness.graphml [2020-11-28 04:32:11,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:32:11,536 INFO L168 Benchmark]: Toolchain (without parser) took 14238.83 ms. Allocated memory was 77.6 MB in the beginning and 270.5 MB in the end (delta: 192.9 MB). Free memory was 44.5 MB in the beginning and 230.2 MB in the end (delta: -185.7 MB). Peak memory consumption was 160.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:11,538 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 37.3 MB in the beginning and 37.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:32:11,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.63 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 56.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:11,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.97 ms. Allocated memory is still 94.4 MB. Free memory was 56.8 MB in the beginning and 51.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:11,540 INFO L168 Benchmark]: Boogie Preprocessor took 90.16 ms. Allocated memory is still 94.4 MB. Free memory was 51.5 MB in the beginning and 46.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:11,541 INFO L168 Benchmark]: RCFGBuilder took 2974.62 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 46.8 MB in the beginning and 81.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:11,542 INFO L168 Benchmark]: CodeCheck took 10129.69 ms. Allocated memory was 123.7 MB in the beginning and 270.5 MB in the end (delta: 146.8 MB). Free memory was 81.0 MB in the beginning and 87.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 147.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:11,542 INFO L168 Benchmark]: Witness Printer took 241.41 ms. Allocated memory is still 270.5 MB. Free memory was 87.0 MB in the beginning and 230.2 MB in the end (delta: -143.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:11,545 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: 7.2s, 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, 20.2s 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, 1.0s 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 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 37.3 MB in the beginning and 37.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 699.63 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 56.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.97 ms. Allocated memory is still 94.4 MB. Free memory was 56.8 MB in the beginning and 51.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.16 ms. Allocated memory is still 94.4 MB. Free memory was 51.5 MB in the beginning and 46.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2974.62 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 46.8 MB in the beginning and 81.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * CodeCheck took 10129.69 ms. Allocated memory was 123.7 MB in the beginning and 270.5 MB in the end (delta: 146.8 MB). Free memory was 81.0 MB in the beginning and 87.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 147.1 MB. Max. memory is 16.1 GB. * Witness Printer took 241.41 ms. Allocated memory is still 270.5 MB. Free memory was 87.0 MB in the beginning and 230.2 MB in the end (delta: -143.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...