./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2227825b094336cea9cd81768b48348a309a725b ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:46,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:46,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:46,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:46,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:46,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:46,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:46,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:46,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:46,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:46,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:46,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:46,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:46,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:46,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:46,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:46,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:46,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:46,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:46,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:46,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:46,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:46,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:46,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:46,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:46,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:46,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:46,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:46,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:46,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:46,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:46,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:46,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:46,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:46,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:46,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:46,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:46,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:46,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:46,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:46,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:46,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:42:46,428 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:46,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:46,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:46,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:46,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:46,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:46,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:46,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:42:46,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:46,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:46,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:46,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:46,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:46,432 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:42:46,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:46,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:46,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:46,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:46,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:46,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:46,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:46,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:46,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:46,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:46,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:46,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:46,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:46,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:46,435 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_aff3e99d-7906-4d28-97a2-b8988b550933/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2227825b094336cea9cd81768b48348a309a725b [2020-11-28 04:42:46,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:46,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:46,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:46,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:46,723 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:46,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2020-11-28 04:42:46,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/data/eff616f1e/4b5f99fa84284865aee7f1a55fd1287f/FLAGb412fd807 [2020-11-28 04:42:47,253 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:47,253 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2020-11-28 04:42:47,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/data/eff616f1e/4b5f99fa84284865aee7f1a55fd1287f/FLAGb412fd807 [2020-11-28 04:42:47,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/data/eff616f1e/4b5f99fa84284865aee7f1a55fd1287f [2020-11-28 04:42:47,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:47,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:47,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:47,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:47,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:47,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a205254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47, skipping insertion in model container [2020-11-28 04:42:47,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:47,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:47,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:47,838 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:47,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:47,897 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:47,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47 WrapperNode [2020-11-28 04:42:47,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:47,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:47,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:47,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:47,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:47,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:47,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:47,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:47,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... [2020-11-28 04:42:47,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:47,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:47,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:47,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:47,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/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 04:42:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:48,270 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:48,270 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:42:48,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:48 BoogieIcfgContainer [2020-11-28 04:42:48,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:48,273 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:48,274 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:48,293 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:48,294 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-28 04:42:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-28 04:42:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:42:48,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:48,587 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 04:42:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-28 04:42:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-28 04:42:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:42:48,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:48,752 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 04:42:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2020-11-28 04:42:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-11-28 04:42:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:42:48,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:48,955 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 04:42:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-11-28 04:42:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-11-28 04:42:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:42:49,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:49,437 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:49,456 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:49,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:49,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:49,509 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-28 04:42:49,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:49 ImpRootNode [2020-11-28 04:42:49,528 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:49,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:49,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:49,529 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:49,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:48" (3/4) ... [2020-11-28 04:42:49,533 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:42:49,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aff3e99d-7906-4d28-97a2-b8988b550933/bin/ukojak/witness.graphml [2020-11-28 04:42:49,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:49,600 INFO L168 Benchmark]: Toolchain (without parser) took 1933.54 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 59.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,601 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 86.0 MB. Free memory was 59.7 MB in the beginning and 59.6 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:49,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.91 ms. Allocated memory is still 86.0 MB. Free memory was 51.6 MB in the beginning and 64.5 MB in the end (delta: -12.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.42 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 63.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:49,605 INFO L168 Benchmark]: Boogie Preprocessor took 22.31 ms. Allocated memory is still 86.0 MB. Free memory was 63.2 MB in the beginning and 62.4 MB in the end (delta: 760.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:49,608 INFO L168 Benchmark]: RCFGBuilder took 295.95 ms. Allocated memory is still 86.0 MB. Free memory was 62.2 MB in the beginning and 52.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,609 INFO L168 Benchmark]: CodeCheck took 1254.98 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 61.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,612 INFO L168 Benchmark]: Witness Printer took 67.85 ms. Allocated memory is still 104.9 MB. Free memory was 61.1 MB in the beginning and 59.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,615 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, 11 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 20 SDslu, 8 SDs, 0 SdLazy, 124 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, ell; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] COND TRUE i <= 100 && j <= k [L19] ell = i [L20] i = j [L21] EXPR ell + 1 [L21] j = ell + 1 [L22] k - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 86.0 MB. Free memory was 59.7 MB in the beginning and 59.6 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.91 ms. Allocated memory is still 86.0 MB. Free memory was 51.6 MB in the beginning and 64.5 MB in the end (delta: -12.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.42 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 63.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.31 ms. Allocated memory is still 86.0 MB. Free memory was 63.2 MB in the beginning and 62.4 MB in the end (delta: 760.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 295.95 ms. Allocated memory is still 86.0 MB. Free memory was 62.2 MB in the beginning and 52.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1254.98 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 61.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Witness Printer took 67.85 ms. Allocated memory is still 104.9 MB. Free memory was 61.1 MB in the beginning and 59.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...