./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/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 32bit --witnessprinter.graph.data.programhash 2f604b340ddb37d4498b75b8ae068b017a7dc1be ..................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 18:06:07,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:06:07,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:06:07,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:06:07,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:06:07,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:06:07,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:06:07,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:06:07,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:06:07,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:06:07,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:06:07,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:06:07,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:06:07,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:06:07,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:06:07,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:06:07,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:06:07,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:06:07,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:06:07,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:06:07,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:06:07,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:06:07,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:06:07,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:06:07,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:06:07,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:06:07,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:06:07,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:06:07,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:06:07,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:06:07,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:06:07,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:06:07,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:06:07,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:06:07,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:06:07,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:06:07,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:06:07,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:06:07,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:06:07,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:06:07,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:06:07,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 18:06:07,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:06:07,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:06:07,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:06:07,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:06:07,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:06:07,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:06:07,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:06:07,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:06:07,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:06:07,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:06:07,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:06:07,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:06:07,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:06:07,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:06:07,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:06:07,468 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 18:06:07,468 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:06:07,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:06:07,469 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:06:07,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:06:07,470 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:06:07,470 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:06:07,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:06:07,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:06:07,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:06:07,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:06:07,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:06:07,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:06:07,473 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:06:07,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:06:07,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:06:07,476 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_55b7a2ab-0c1e-4119-8a36-e125c56d705f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f604b340ddb37d4498b75b8ae068b017a7dc1be [2020-12-01 18:06:07,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:06:07,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:06:07,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:06:07,886 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:06:07,887 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:06:07,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i [2020-12-01 18:06:07,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/data/edd59e7a7/0e5e0c251eb04ef493543b041b08677b/FLAGd41dfe5f3 [2020-12-01 18:06:08,562 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:06:08,563 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i [2020-12-01 18:06:08,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/data/edd59e7a7/0e5e0c251eb04ef493543b041b08677b/FLAGd41dfe5f3 [2020-12-01 18:06:08,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/data/edd59e7a7/0e5e0c251eb04ef493543b041b08677b [2020-12-01 18:06:08,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:06:08,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:06:08,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:08,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:06:08,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:06:08,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:08" (1/1) ... [2020-12-01 18:06:08,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c738ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:08, skipping insertion in model container [2020-12-01 18:06:08,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:08" (1/1) ... [2020-12-01 18:06:08,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:06:08,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:06:09,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:09,279 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:06:09,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:09,318 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:06:09,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09 WrapperNode [2020-12-01 18:06:09,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:09,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:09,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:06:09,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:06:09,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:09,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:06:09,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:06:09,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:06:09,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:06:09,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:06:09,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:06:09,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:06:09,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/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 [2020-12-01 18:06:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:06:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:06:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:06:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:06:09,827 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:06:09,827 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:06:09,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:09 BoogieIcfgContainer [2020-12-01 18:06:09,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:06:09,832 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:06:09,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:06:09,846 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:06:09,846 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:06:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2020-12-01 18:06:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-12-01 18:06:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:06:09,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:06:10,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:06:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:06:10,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:06:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:06:10,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:06:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:06:10,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:06:10,239 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 18:06:10,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:06:10 ImpRootNode [2020-12-01 18:06:10,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:06:10,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:06:10,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:06:10,328 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:06:10,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:09" (3/4) ... [2020-12-01 18:06:10,334 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:06:10,443 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_55b7a2ab-0c1e-4119-8a36-e125c56d705f/bin/ukojak/witness.graphml [2020-12-01 18:06:10,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:06:10,446 INFO L168 Benchmark]: Toolchain (without parser) took 1516.59 ms. Allocated memory is still 96.5 MB. Free memory was 64.1 MB in the beginning and 74.2 MB in the end (delta: -10.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:06:10,453 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 59.2 MB in the beginning and 59.1 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:06:10,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.10 ms. Allocated memory is still 96.5 MB. Free memory was 63.8 MB in the beginning and 75.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.35 ms. Allocated memory is still 96.5 MB. Free memory was 75.1 MB in the beginning and 73.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,457 INFO L168 Benchmark]: Boogie Preprocessor took 24.00 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 72.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:06:10,458 INFO L168 Benchmark]: RCFGBuilder took 443.41 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 54.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,459 INFO L168 Benchmark]: CodeCheck took 486.13 ms. Allocated memory is still 96.5 MB. Free memory was 54.2 MB in the beginning and 75.8 MB in the end (delta: -21.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,463 INFO L168 Benchmark]: Witness Printer took 116.24 ms. Allocated memory is still 96.5 MB. Free memory was 75.8 MB in the beginning and 74.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,471 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, 19 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] int z = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(y>0 || x>0 || z>0)) [L24] COND TRUE __VERIFIER_nondet_bool() [L25] COND TRUE x>0 [L26] x++ * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 59.2 MB in the beginning and 59.1 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.10 ms. Allocated memory is still 96.5 MB. Free memory was 63.8 MB in the beginning and 75.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.35 ms. Allocated memory is still 96.5 MB. Free memory was 75.1 MB in the beginning and 73.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.00 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 72.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 443.41 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 54.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 486.13 ms. Allocated memory is still 96.5 MB. Free memory was 54.2 MB in the beginning and 75.8 MB in the end (delta: -21.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * Witness Printer took 116.24 ms. Allocated memory is still 96.5 MB. Free memory was 75.8 MB in the beginning and 74.2 MB in the end (delta: 1.6 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...