./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/terminator_01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/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 5a96d8f7116f07c51cbc3e08fb353595839e97bf ............................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-28 04:35:22,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:35:22,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:35:22,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:35:22,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:35:22,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:35:22,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:35:22,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:35:22,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:35:22,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:35:22,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:35:22,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:35:22,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:35:22,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:35:22,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:35:22,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:35:22,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:35:22,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:35:22,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:35:22,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:35:22,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:35:22,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:35:22,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:35:22,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:35:22,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:35:22,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:35:22,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:35:22,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:35:22,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:35:22,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:35:22,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:35:22,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:35:22,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:35:22,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:35:22,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:35:22,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:35:22,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:35:22,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:35:22,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:35:22,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:35:22,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:35:22,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:35:22,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:35:22,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:35:22,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:35:22,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:35:22,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:35:22,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:35:22,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:35:22,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:35:22,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:35:22,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:35:22,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:35:22,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:35:22,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:35:22,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:35:22,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:35:22,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:35:22,997 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:35:22,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:35:22,998 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:35:22,998 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:35:22,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:35:22,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:35:22,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:35:22,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:35:22,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:35:23,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:35:23,000 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:35:23,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:35:23,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:35:23,001 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_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a96d8f7116f07c51cbc3e08fb353595839e97bf [2020-11-28 04:35:23,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:35:23,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:35:23,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:35:23,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:35:23,272 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:35:23,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/../../sv-benchmarks/c/loops/terminator_01.c [2020-11-28 04:35:23,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/data/8b791221a/9cf12d6a30a544a6ae3254a8b4527da5/FLAG5ed6ac31f [2020-11-28 04:35:23,884 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:35:23,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/sv-benchmarks/c/loops/terminator_01.c [2020-11-28 04:35:23,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/data/8b791221a/9cf12d6a30a544a6ae3254a8b4527da5/FLAG5ed6ac31f [2020-11-28 04:35:24,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/data/8b791221a/9cf12d6a30a544a6ae3254a8b4527da5 [2020-11-28 04:35:24,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:35:24,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:35:24,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:35:24,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:35:24,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:35:24,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2586f71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24, skipping insertion in model container [2020-11-28 04:35:24,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:35:24,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:35:24,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:35:24,460 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:35:24,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:35:24,494 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:35:24,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24 WrapperNode [2020-11-28 04:35:24,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:35:24,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:35:24,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:35:24,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:35:24,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:35:24,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:35:24,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:35:24,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:35:24,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2020-11-28 04:35:24,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:35:24,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:35:24,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:35:24,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:35:24,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/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 04:35:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:35:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:35:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:35:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:35:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:35:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:35:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:35:25,060 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:35:25,061 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:35:25,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25 BoogieIcfgContainer [2020-11-28 04:35:25,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:35:25,063 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:35:25,064 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:35:25,075 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:35:25,075 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25" (1/1) ... [2020-11-28 04:35:25,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:35:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-28 04:35:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-28 04:35:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:35:25,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:25,274 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 04:35:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-28 04:35:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-28 04:35:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:35:25,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:35:25,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:35:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:35:25,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:35:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:35:25,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:35:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:35:25,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:35:25,488 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-11-28 04:35:25,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:35:25 ImpRootNode [2020-11-28 04:35:25,522 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:35:25,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:35:25,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:35:25,523 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:35:25,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25" (3/4) ... [2020-11-28 04:35:25,527 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:35:25,577 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0dfdd45f-bd79-4f8b-af39-29fc7aaa43b2/bin/ukojak/witness.graphml [2020-11-28 04:35:25,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:35:25,580 INFO L168 Benchmark]: Toolchain (without parser) took 1311.72 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 53.5 MB in the beginning and 82.0 MB in the end (delta: -28.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:35:25,581 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:35:25,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.84 ms. Allocated memory is still 83.9 MB. Free memory was 53.1 MB in the beginning and 62.1 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:25,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.62 ms. Allocated memory is still 83.9 MB. Free memory was 62.1 MB in the beginning and 60.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:35:25,583 INFO L168 Benchmark]: Boogie Preprocessor took 27.40 ms. Allocated memory is still 83.9 MB. Free memory was 60.8 MB in the beginning and 59.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:25,584 INFO L168 Benchmark]: RCFGBuilder took 499.35 ms. Allocated memory is still 83.9 MB. Free memory was 59.7 MB in the beginning and 45.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:25,585 INFO L168 Benchmark]: CodeCheck took 458.27 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 82.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:25,586 INFO L168 Benchmark]: Witness Printer took 55.58 ms. Allocated memory is still 104.9 MB. Free memory was 81.9 MB in the beginning and 82.0 MB in the end (delta: -87.5 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:25,590 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int x=__VERIFIER_nondet_int(); [L15] int x=__VERIFIER_nondet_int(); [L16] int *p = &x; [L18] EXPR \read(x) [L18] COND FALSE !(x<100) [L6] COND TRUE !(cond) [L3] __assert_fail("0", "terminator_01.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 227.84 ms. Allocated memory is still 83.9 MB. Free memory was 53.1 MB in the beginning and 62.1 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.62 ms. Allocated memory is still 83.9 MB. Free memory was 62.1 MB in the beginning and 60.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.40 ms. Allocated memory is still 83.9 MB. Free memory was 60.8 MB in the beginning and 59.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 499.35 ms. Allocated memory is still 83.9 MB. Free memory was 59.7 MB in the beginning and 45.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 458.27 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 82.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 55.58 ms. Allocated memory is still 104.9 MB. Free memory was 81.9 MB in the beginning and 82.0 MB in the end (delta: -87.5 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...