./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01-1.i --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_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/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 7bde49acbd83d331d6c1a7f9b5b50ee14f089f95 ................................................................................................................................................................................................................................................................................................................................ 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 00:55:58,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:55:58,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:55:58,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:55:58,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:55:58,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:55:58,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:55:58,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:55:58,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:55:58,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:55:58,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:55:58,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:55:58,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:55:58,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:55:58,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:55:58,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:55:58,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:55:58,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:55:58,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:55:58,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:55:58,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:55:58,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:55:58,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:55:58,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:55:58,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:55:58,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:55:58,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:55:58,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:55:58,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:55:58,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:55:58,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:55:58,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:55:58,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:55:58,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:55:58,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:55:58,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:55:58,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:55:58,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:55:58,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:55:58,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:55:58,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:55:58,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:55:58,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:55:58,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:55:58,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:55:58,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:55:58,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:55:58,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:55:58,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:55:58,602 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:55:58,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:55:58,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:55:58,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:55:58,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:55:58,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:55:58,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:55:58,606 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:55:58,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:55:58,606 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:55:58,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:55:58,607 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:55:58,607 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:55:58,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:55:58,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:55:58,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:55:58,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:55:58,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:55:58,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:55:58,609 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:55:58,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:55:58,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:55:58,610 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_f990956d-8c08-4bbb-9186-b394303b51df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bde49acbd83d331d6c1a7f9b5b50ee14f089f95 [2020-11-30 00:55:58,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:55:58,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:55:58,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:55:58,988 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:55:58,990 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:55:58,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/../../sv-benchmarks/c/loops/sum01-1.i [2020-11-30 00:55:59,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/data/a667a8d37/322d02ec5c5849b699678340a8c7b241/FLAGf8bd8648d [2020-11-30 00:55:59,691 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:55:59,692 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/sv-benchmarks/c/loops/sum01-1.i [2020-11-30 00:55:59,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/data/a667a8d37/322d02ec5c5849b699678340a8c7b241/FLAGf8bd8648d [2020-11-30 00:56:00,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/data/a667a8d37/322d02ec5c5849b699678340a8c7b241 [2020-11-30 00:56:00,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:56:00,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:56:00,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:56:00,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:56:00,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:56:00,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277f0beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00, skipping insertion in model container [2020-11-30 00:56:00,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:56:00,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:56:00,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:56:00,417 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:56:00,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:56:00,471 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:56:00,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00 WrapperNode [2020-11-30 00:56:00,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:56:00,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:56:00,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:56:00,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:56:00,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:56:00,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:56:00,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:56:00,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:56:00,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... [2020-11-30 00:56:00,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:56:00,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:56:00,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:56:00,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:56:00,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/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 00:56:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:56:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:56:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:56:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:56:01,152 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:56:01,152 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:56:01,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:01 BoogieIcfgContainer [2020-11-30 00:56:01,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:56:01,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:56:01,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:56:01,177 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:56:01,178 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:01" (1/1) ... [2020-11-30 00:56:01,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-30 00:56:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-30 00:56:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 00:56:01,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-11-30 00:56:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-11-30 00:56:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:56:01,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2020-11-30 00:56:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2020-11-30 00:56:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:56:02,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2020-11-30 00:56:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2020-11-30 00:56:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:56:02,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2020-11-30 00:56:03,438 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2020-11-30 00:56:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:56:03,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2020-11-30 00:56:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2020-11-30 00:56:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:56:04,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2020-11-30 00:56:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2020-11-30 00:56:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:56:04,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2020-11-30 00:56:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2020-11-30 00:56:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:56:05,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2020-11-30 00:56:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2020-11-30 00:56:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:56:05,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2020-11-30 00:56:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2020-11-30 00:56:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:56:06,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2020-11-30 00:56:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2020-11-30 00:56:07,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:56:07,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:07,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:07,316 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:07,406 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:07,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:07,514 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2020-11-30 00:56:07,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:56:07 ImpRootNode [2020-11-30 00:56:07,567 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:56:07,568 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:56:07,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:56:07,568 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:56:07,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:01" (3/4) ... [2020-11-30 00:56:07,572 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:56:07,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f990956d-8c08-4bbb-9186-b394303b51df/bin/ukojak/witness.graphml [2020-11-30 00:56:07,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:56:07,672 INFO L168 Benchmark]: Toolchain (without parser) took 7600.45 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 52.6 MB in the beginning and 48.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:07,682 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 43.1 MB in the beginning and 43.1 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:56:07,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.28 ms. Allocated memory is still 83.9 MB. Free memory was 52.4 MB in the beginning and 62.3 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:07,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.18 ms. Allocated memory is still 83.9 MB. Free memory was 62.3 MB in the beginning and 61.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:56:07,686 INFO L168 Benchmark]: Boogie Preprocessor took 57.41 ms. Allocated memory is still 83.9 MB. Free memory was 60.9 MB in the beginning and 60.2 MB in the end (delta: 699.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:56:07,687 INFO L168 Benchmark]: RCFGBuilder took 569.91 ms. Allocated memory is still 83.9 MB. Free memory was 59.9 MB in the beginning and 45.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:07,689 INFO L168 Benchmark]: CodeCheck took 6411.01 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 45.5 MB in the beginning and 50.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:07,690 INFO L168 Benchmark]: Witness Printer took 101.88 ms. Allocated memory is still 130.0 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:07,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.3s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1024 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 20464 SolverSat, 9716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 880 GetRequests, 766 SyntacticMatches, 52 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 9702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/165 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: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND FALSE !(i<10) [L24] i++ [L24] COND FALSE !(i<=n) [L15] COND TRUE !(cond) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sum01-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 43.1 MB in the beginning and 43.1 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 395.28 ms. Allocated memory is still 83.9 MB. Free memory was 52.4 MB in the beginning and 62.3 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.18 ms. Allocated memory is still 83.9 MB. Free memory was 62.3 MB in the beginning and 61.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.41 ms. Allocated memory is still 83.9 MB. Free memory was 60.9 MB in the beginning and 60.2 MB in the end (delta: 699.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 569.91 ms. Allocated memory is still 83.9 MB. Free memory was 59.9 MB in the beginning and 45.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 6411.01 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 45.5 MB in the beginning and 50.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. * Witness Printer took 101.88 ms. Allocated memory is still 130.0 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 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...