./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/terminator_01.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32428afd68005bcf440791010506ff25981be905 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:53,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:53,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:53,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:53,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:53,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:53,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:53,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:53,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:53,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:53,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:53,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:53,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:53,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:53,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:53,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:53,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:53,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:53,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:53,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:53,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:53,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:53,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:53,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:53,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:53,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:53,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:53,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:53,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:53,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:53,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:53,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:53,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:53,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:53,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:53,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:53,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:53,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:53,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:53,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:53,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:53,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:53,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:53,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:53,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:53,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:53,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:53,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:53,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:53,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:53,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:53,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:53,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:53,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:53,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:53,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:53,984 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:53,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:53,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:53,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:53,990 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:53,990 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:53,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:53,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:53,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:53,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:53,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:53,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:53,991 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:53,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:53,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:53,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32428afd68005bcf440791010506ff25981be905 [2019-10-22 10:15:54,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:54,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:54,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:54,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:54,039 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:54,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/../../sv-benchmarks/c/loops/terminator_01.c [2019-10-22 10:15:54,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/data/3425028a4/9364b409e84744e88a8a3557455b6eac/FLAG47c7a2e68 [2019-10-22 10:15:54,492 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:54,493 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/sv-benchmarks/c/loops/terminator_01.c [2019-10-22 10:15:54,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/data/3425028a4/9364b409e84744e88a8a3557455b6eac/FLAG47c7a2e68 [2019-10-22 10:15:54,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/data/3425028a4/9364b409e84744e88a8a3557455b6eac [2019-10-22 10:15:54,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:54,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:54,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:54,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:54,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:54,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:54" (1/1) ... [2019-10-22 10:15:54,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2d2514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:54, skipping insertion in model container [2019-10-22 10:15:54,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:54" (1/1) ... [2019-10-22 10:15:54,909 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:54,919 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:55,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:55,060 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:55,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:55,142 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:55,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55 WrapperNode [2019-10-22 10:15:55,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:55,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:55,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:55,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:55,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:55,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:55,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:55,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:55,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:55,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:55,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:55,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:55,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:15:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:15:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:15:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:15:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:15:55,394 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:55,394 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:15:55,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:55 BoogieIcfgContainer [2019-10-22 10:15:55,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:55,396 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:55,396 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:55,410 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:55,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:55" (1/1) ... [2019-10-22 10:15:55,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-10-22 10:15:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-10-22 10:15:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:15:55,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-10-22 10:15:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-10-22 10:15:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:15:55,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:55,651 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-10-22 10:15:55,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:55 ImpRootNode [2019-10-22 10:15:55,672 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:55,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:55,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:55,673 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:55,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:55" (3/4) ... [2019-10-22 10:15:55,675 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:15:55,705 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5a2c7485-e586-421b-8a57-7e481e3cc4cd/bin/ukojak/witness.graphml [2019-10-22 10:15:55,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:55,707 INFO L168 Benchmark]: Toolchain (without parser) took 808.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:55,707 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:55,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:55,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:55,709 INFO L168 Benchmark]: Boogie Preprocessor took 21.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:55,709 INFO L168 Benchmark]: RCFGBuilder took 202.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:55,710 INFO L168 Benchmark]: CodeCheck took 277.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:55,710 INFO L168 Benchmark]: Witness Printer took 32.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:55,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] int x=__VERIFIER_nondet_int(); [L13] int x=__VERIFIER_nondet_int(); [L14] int *p = &x; [L16] EXPR \read(x) [L16] COND FALSE !(x<100) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * CodeCheck took 277.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Witness Printer took 32.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...