./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-006.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_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-006.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/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 50c5e818ba05d4e8fa241dc9220a809d016175eb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-30 03:46:11,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:46:11,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:46:11,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:46:11,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:46:11,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:46:11,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:46:11,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:46:11,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:46:11,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:46:11,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:46:11,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:46:11,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:46:11,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:46:11,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:46:11,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:46:11,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:46:11,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:46:11,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:46:11,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:46:11,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:46:11,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:46:11,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:46:11,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:46:11,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:46:11,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:46:11,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:46:11,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:46:11,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:46:11,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:46:11,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:46:11,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:46:11,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:46:11,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:46:11,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:46:11,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:46:11,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:46:11,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:46:11,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:46:11,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:46:11,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:46:11,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 03:46:11,427 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:46:11,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:46:11,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:46:11,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 03:46:11,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 03:46:11,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 03:46:11,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:46:11,432 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:46:11,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:46:11,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:46:11,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:46:11,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:46:11,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:46:11,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:46:11,435 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:46:11,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:46:11,436 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:46:11,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:46:11,436 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 03:46:11,437 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 03:46:11,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:46:11,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:46:11,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 03:46:11,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:46:11,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:46:11,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:46:11,439 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 03:46:11,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:46:11,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:46:11,442 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_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50c5e818ba05d4e8fa241dc9220a809d016175eb [2020-11-30 03:46:11,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:46:11,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:46:11,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:46:11,875 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:46:11,876 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:46:11,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/../../sv-benchmarks/c/xcsp/AllInterval-006.c [2020-11-30 03:46:11,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/data/2bc8d4ed0/6c30cd6e527a46ba9cff687c174e38e0/FLAG63f0b6e3d [2020-11-30 03:46:12,699 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:46:12,700 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/sv-benchmarks/c/xcsp/AllInterval-006.c [2020-11-30 03:46:12,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/data/2bc8d4ed0/6c30cd6e527a46ba9cff687c174e38e0/FLAG63f0b6e3d [2020-11-30 03:46:13,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/data/2bc8d4ed0/6c30cd6e527a46ba9cff687c174e38e0 [2020-11-30 03:46:13,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:46:13,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:46:13,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:46:13,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:46:13,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:46:13,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f28d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13, skipping insertion in model container [2020-11-30 03:46:13,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:46:13,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:46:13,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:46:13,343 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:46:13,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:46:13,413 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:46:13,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13 WrapperNode [2020-11-30 03:46:13,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:46:13,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:46:13,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:46:13,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:46:13,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:46:13,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:46:13,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:46:13,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:46:13,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... [2020-11-30 03:46:13,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:46:13,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:46:13,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:46:13,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:46:13,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/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 [2020-11-30 03:46:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:46:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:46:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:46:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2020-11-30 03:46:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2020-11-30 03:46:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:46:14,580 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:46:14,580 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 03:46:14,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:46:14 BoogieIcfgContainer [2020-11-30 03:46:14,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:46:14,583 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 03:46:14,583 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 03:46:14,594 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 03:46:14,595 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:46:14" (1/1) ... [2020-11-30 03:46:14,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:46:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 74 states and 124 transitions. [2020-11-30 03:46:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2020-11-30 03:46:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-30 03:46:14,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:46:15,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:46:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:46:16,021 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:46:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:46:16,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:46:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:46:16,470 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:46:16,597 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-30 03:46:16,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 03:46:16 ImpRootNode [2020-11-30 03:46:16,764 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 03:46:16,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:46:16,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:46:16,765 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:46:16,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:46:14" (3/4) ... [2020-11-30 03:46:16,773 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 03:46:16,976 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d11b4de4-7c30-480a-a8ce-b6193a34f2b9/bin/ukojak/witness.graphml [2020-11-30 03:46:16,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:46:16,984 INFO L168 Benchmark]: Toolchain (without parser) took 3953.26 ms. Allocated memory was 94.4 MB in the beginning and 148.9 MB in the end (delta: 54.5 MB). Free memory was 64.8 MB in the beginning and 87.8 MB in the end (delta: -23.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:16,985 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:46:16,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 69.0 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:16,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.71 ms. Allocated memory is still 94.4 MB. Free memory was 68.7 MB in the beginning and 66.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:46:16,987 INFO L168 Benchmark]: Boogie Preprocessor took 31.41 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 65.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:16,987 INFO L168 Benchmark]: RCFGBuilder took 1077.85 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 65.6 MB in the beginning and 91.9 MB in the end (delta: -26.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:16,988 INFO L168 Benchmark]: CodeCheck took 2181.24 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 91.3 MB in the beginning and 97.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:16,989 INFO L168 Benchmark]: Witness Printer took 216.89 ms. Allocated memory is still 148.9 MB. Free memory was 97.2 MB in the beginning and 87.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:16,996 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 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 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: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L29] RET assume(var0 >= 0) [L30] CALL assume(var0 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L30] RET assume(var0 <= 5) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L33] RET assume(var1 >= 0) [L34] CALL assume(var1 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L34] RET assume(var1 <= 5) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L37] RET assume(var2 >= 0) [L38] CALL assume(var2 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L38] RET assume(var2 <= 5) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L41] RET assume(var3 >= 0) [L42] CALL assume(var3 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L42] RET assume(var3 <= 5) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L45] RET assume(var4 >= 0) [L46] CALL assume(var4 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L46] RET assume(var4 <= 5) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L49] RET assume(var5 >= 0) [L50] CALL assume(var5 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L50] RET assume(var5 <= 5) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L53] RET assume(var6 >= 1) [L54] CALL assume(var6 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L54] RET assume(var6 <= 5) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L57] RET assume(var7 >= 1) [L58] CALL assume(var7 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L58] RET assume(var7 <= 5) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L61] RET assume(var8 >= 1) [L62] CALL assume(var8 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L62] RET assume(var8 <= 5) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L65] CALL assume(var9 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L65] RET assume(var9 >= 1) [L66] CALL assume(var9 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L66] RET assume(var9 <= 5) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L69] CALL assume(var10 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L69] RET assume(var10 >= 1) [L70] CALL assume(var10 <= 5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L70] RET assume(var10 <= 5) [L71] int myvar0 = 1; [L72] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L72] RET assume(var0 != var1) [L73] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L73] RET assume(var0 != var2) [L74] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L74] RET assume(var0 != var3) [L75] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L75] RET assume(var0 != var4) [L76] CALL assume(var0 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L76] RET assume(var0 != var5) [L77] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L77] RET assume(var1 != var2) [L78] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L78] RET assume(var1 != var3) [L79] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L79] RET assume(var1 != var4) [L80] CALL assume(var1 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L80] RET assume(var1 != var5) [L81] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L81] RET assume(var2 != var3) [L82] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L82] RET assume(var2 != var4) [L83] CALL assume(var2 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L83] RET assume(var2 != var5) [L84] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L84] RET assume(var3 != var4) [L85] CALL assume(var3 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L85] RET assume(var3 != var5) [L86] CALL assume(var4 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L86] RET assume(var4 != var5) [L87] CALL assume(var6 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L87] RET assume(var6 != var7) [L88] CALL assume(var6 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L88] RET assume(var6 != var8) [L89] CALL assume(var6 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L89] RET assume(var6 != var9) [L90] CALL assume(var6 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L90] RET assume(var6 != var10) [L91] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L91] RET assume(var7 != var8) [L92] CALL assume(var7 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L92] RET assume(var7 != var9) [L93] CALL assume(var7 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L93] RET assume(var7 != var10) [L94] CALL assume(var8 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L94] RET assume(var8 != var9) [L95] CALL assume(var8 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L95] RET assume(var8 != var10) [L96] CALL assume(var9 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L96] RET assume(var9 != var10) [L97] int var_for_abs; [L98] var_for_abs = var0 - var1 [L99] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L99] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L100] CALL assume(var6 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L100] RET assume(var6 == var_for_abs) [L101] var_for_abs = var1 - var2 [L102] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L102] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L103] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L103] RET assume(var7 == var_for_abs) [L104] var_for_abs = var2 - var3 [L105] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L105] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L106] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L106] RET assume(var8 == var_for_abs) [L107] var_for_abs = var3 - var4 [L108] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L108] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L109] CALL assume(var9 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L109] RET assume(var9 == var_for_abs) [L110] var_for_abs = var4 - var5 [L111] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L111] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L112] CALL assume(var10 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L112] RET assume(var10 == var_for_abs) [L17] __assert_fail("0", "AllInterval-006.c", 5, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 69.0 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.71 ms. Allocated memory is still 94.4 MB. Free memory was 68.7 MB in the beginning and 66.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.41 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 65.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1077.85 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 65.6 MB in the beginning and 91.9 MB in the end (delta: -26.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * CodeCheck took 2181.24 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 91.3 MB in the beginning and 97.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Witness Printer took 216.89 ms. Allocated memory is still 148.9 MB. Free memory was 97.2 MB in the beginning and 87.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...