./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f16087843ad8a83da47d6a6a4e9d674fa79150d .................................................................................................................................................................................................................................................................. 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 18:01:42,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:01:42,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:01:42,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:01:42,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:01:42,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:01:42,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:01:42,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:01:42,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:01:42,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:01:42,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:01:42,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:01:42,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:01:42,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:01:42,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:01:42,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:01:42,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:01:42,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:01:42,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:01:42,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:01:42,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:01:42,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:01:42,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:01:42,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:01:42,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:01:42,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:01:42,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:01:42,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:01:42,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:01:42,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:01:42,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:01:42,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:01:42,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:01:42,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:01:42,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:01:42,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:01:42,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:01:42,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:01:42,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:01:42,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:01:42,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:01:42,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 18:01:42,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:01:42,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:01:42,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:01:42,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:01:42,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:01:42,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:01:42,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:01:42,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:01:42,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:01:42,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:01:42,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:01:42,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:01:42,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:01:42,541 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 18:01:42,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:01:42,542 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:01:42,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:01:42,542 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:01:42,543 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:01:42,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:01:42,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:01:42,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:01:42,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:01:42,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:01:42,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:01:42,554 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:01:42,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:01:42,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:01:42,555 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_59ab0726-cba3-4074-a47d-8ef0346895cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2020-12-01 18:01:42,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:01:42,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:01:42,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:01:42,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:01:42,932 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:01:42,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-12-01 18:01:43,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/data/91440e7f9/b951baaeacbe48a592149598673c6741/FLAGf1e6171cf [2020-12-01 18:01:43,474 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:01:43,475 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-12-01 18:01:43,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/data/91440e7f9/b951baaeacbe48a592149598673c6741/FLAGf1e6171cf [2020-12-01 18:01:43,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/data/91440e7f9/b951baaeacbe48a592149598673c6741 [2020-12-01 18:01:43,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:01:43,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:01:43,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:01:43,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:01:43,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:01:43,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:01:43" (1/1) ... [2020-12-01 18:01:43,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5f7bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:43, skipping insertion in model container [2020-12-01 18:01:43,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:01:43" (1/1) ... [2020-12-01 18:01:43,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:01:43,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:01:44,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:01:44,213 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:01:44,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:01:44,262 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:01:44,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44 WrapperNode [2020-12-01 18:01:44,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:01:44,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:01:44,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:01:44,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:01:44,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:01:44,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:01:44,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:01:44,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:01:44,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:01:44,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:01:44,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:01:44,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:01:44,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/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 18:01:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:01:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:01:44,712 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:01:44,712 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 18:01:44,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:01:44 BoogieIcfgContainer [2020-12-01 18:01:44,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:01:44,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:01:44,730 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:01:44,763 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:01:44,764 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:01:44" (1/1) ... [2020-12-01 18:01:44,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:01:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2020-12-01 18:01:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-01 18:01:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:01:44,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2020-12-01 18:01:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-12-01 18:01:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:01:45,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2020-12-01 18:01:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-12-01 18:01:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:01:45,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2020-12-01 18:01:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-12-01 18:01:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:01:45,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2020-12-01 18:01:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-12-01 18:01:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:01:45,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-12-01 18:01:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-12-01 18:01:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:01:45,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2020-12-01 18:01:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2020-12-01 18:01:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:01:45,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:46,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2020-12-01 18:01:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-12-01 18:01:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:01:46,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:46,460 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:46,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:46,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:46,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:46,579 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-12-01 18:01:46,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:01:46 ImpRootNode [2020-12-01 18:01:46,598 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:01:46,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:01:46,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:01:46,599 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:01:46,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:01:44" (3/4) ... [2020-12-01 18:01:46,604 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:01:46,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_59ab0726-cba3-4074-a47d-8ef0346895cb/bin/ukojak/witness.graphml [2020-12-01 18:01:46,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:01:46,645 INFO L168 Benchmark]: Toolchain (without parser) took 2776.93 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.9 MB in the beginning and 43.6 MB in the end (delta: -712.0 kB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:46,646 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 81.8 MB. Free memory was 59.4 MB in the beginning and 59.3 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:01:46,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.02 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.7 MB in the beginning and 71.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:46,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.96 ms. Allocated memory is still 98.6 MB. Free memory was 71.4 MB in the beginning and 70.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:46,650 INFO L168 Benchmark]: Boogie Preprocessor took 46.84 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 69.0 MB in the end (delta: 979.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:01:46,651 INFO L168 Benchmark]: RCFGBuilder took 361.85 ms. Allocated memory is still 98.6 MB. Free memory was 69.0 MB in the beginning and 56.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:46,652 INFO L168 Benchmark]: CodeCheck took 1869.11 ms. Allocated memory is still 98.6 MB. Free memory was 55.9 MB in the beginning and 44.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:46,653 INFO L168 Benchmark]: Witness Printer took 42.80 ms. Allocated memory is still 98.6 MB. Free memory was 44.9 MB in the beginning and 43.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:01:46,660 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, 30 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 446 SDslu, 32 SDs, 0 SdLazy, 2350 SolverSat, 508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 81.8 MB. Free memory was 59.4 MB in the beginning and 59.3 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.02 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.7 MB in the beginning and 71.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.96 ms. Allocated memory is still 98.6 MB. Free memory was 71.4 MB in the beginning and 70.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.84 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 69.0 MB in the end (delta: 979.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 361.85 ms. Allocated memory is still 98.6 MB. Free memory was 69.0 MB in the beginning and 56.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1869.11 ms. Allocated memory is still 98.6 MB. Free memory was 55.9 MB in the beginning and 44.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 42.80 ms. Allocated memory is still 98.6 MB. Free memory was 44.9 MB in the beginning and 43.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...