./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/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-a4ecdab [2020-11-29 18:31:00,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:31:00,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:31:00,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:31:00,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:31:00,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:31:00,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:31:00,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:31:00,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:31:00,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:31:00,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:31:00,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:31:00,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:31:00,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:31:00,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:31:00,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:31:00,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:31:00,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:31:00,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:31:00,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:31:00,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:31:00,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:31:00,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:31:00,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:31:00,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:31:00,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:31:00,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:31:00,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:31:00,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:31:00,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:31:00,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:31:00,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:31:00,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:31:00,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:31:00,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:31:00,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:31:00,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:31:00,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:31:00,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:31:00,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:31:00,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:31:00,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 18:31:00,481 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:31:00,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:31:00,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:31:00,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:31:00,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:31:00,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:31:00,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:31:00,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:31:00,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:31:00,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:31:00,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:31:00,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:31:00,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:31:00,490 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 18:31:00,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:31:00,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:31:00,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:31:00,491 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:31:00,491 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:31:00,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:31:00,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:31:00,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:31:00,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:31:00,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:31:00,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:31:00,493 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:31:00,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:31:00,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:31:00,494 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_3deaa258-9557-47ab-843e-1a3f73c8a206/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2020-11-29 18:31:00,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:31:00,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:31:00,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:31:00,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:31:00,839 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:31:00,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-29 18:31:00,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/data/cdc789b0f/37a34eba53224698b7058fb5222f2199/FLAGe831c4443 [2020-11-29 18:31:01,496 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:31:01,497 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-29 18:31:01,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/data/cdc789b0f/37a34eba53224698b7058fb5222f2199/FLAGe831c4443 [2020-11-29 18:31:01,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/data/cdc789b0f/37a34eba53224698b7058fb5222f2199 [2020-11-29 18:31:01,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:31:01,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:31:01,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:31:01,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:31:01,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:31:01,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:31:01" (1/1) ... [2020-11-29 18:31:01,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2102ad0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:01, skipping insertion in model container [2020-11-29 18:31:01,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:31:01" (1/1) ... [2020-11-29 18:31:01,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:31:01,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:31:02,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:31:02,103 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:31:02,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:31:02,187 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:31:02,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02 WrapperNode [2020-11-29 18:31:02,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:31:02,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:31:02,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:31:02,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:31:02,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:31:02,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:31:02,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:31:02,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:31:02,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:31:02,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:31:02,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:31:02,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:31:02,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/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 [2020-11-29 18:31:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:31:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:31:02,681 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:31:02,682 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 18:31:02,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:31:02 BoogieIcfgContainer [2020-11-29 18:31:02,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:31:02,685 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:31:02,685 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:31:02,705 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:31:02,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:31:02" (1/1) ... [2020-11-29 18:31:02,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:31:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2020-11-29 18:31:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-11-29 18:31:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 18:31:02,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:31:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:31:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2020-11-29 18:31:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-11-29 18:31:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 18:31:02,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:31:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:31:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2020-11-29 18:31:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-11-29 18:31:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 18:31:03,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:31:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:31:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2020-11-29 18:31:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-11-29 18:31:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 18:31:03,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:31:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:31:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2020-11-29 18:31:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-11-29 18:31:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:31:03,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:31:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:31:03,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-11-29 18:31:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-11-29 18:31:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:31:03,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:31:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:31:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2020-11-29 18:31:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2020-11-29 18:31:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:31:03,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:31:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:31:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:31:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2020-11-29 18:31:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-11-29 18:31:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 18:31:04,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:31:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:31:04,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:31:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:31:04,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:31:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:31:04,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:31:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:31:04,458 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:31:04,467 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-11-29 18:31:04,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:31:04 ImpRootNode [2020-11-29 18:31:04,501 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:31:04,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:31:04,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:31:04,502 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:31:04,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:31:02" (3/4) ... [2020-11-29 18:31:04,504 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 18:31:04,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3deaa258-9557-47ab-843e-1a3f73c8a206/bin/ukojak/witness.graphml [2020-11-29 18:31:04,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:31:04,557 INFO L168 Benchmark]: Toolchain (without parser) took 2641.76 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 65.4 MB in the beginning and 72.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:31:04,558 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 77.6 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:31:04,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.30 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 75.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:31:04,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.26 ms. Allocated memory is still 96.5 MB. Free memory was 75.4 MB in the beginning and 74.4 MB in the end (delta: 997.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:31:04,568 INFO L168 Benchmark]: Boogie Preprocessor took 41.00 ms. Allocated memory is still 96.5 MB. Free memory was 73.9 MB in the beginning and 73.4 MB in the end (delta: 495.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:31:04,569 INFO L168 Benchmark]: RCFGBuilder took 402.64 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 60.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:31:04,571 INFO L168 Benchmark]: CodeCheck took 1815.53 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.2 MB in the beginning and 74.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:31:04,572 INFO L168 Benchmark]: Witness Printer took 49.69 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 72.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:31:04,578 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, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.9s 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 0.19 ms. Allocated memory is still 77.6 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.30 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 75.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.26 ms. Allocated memory is still 96.5 MB. Free memory was 75.4 MB in the beginning and 74.4 MB in the end (delta: 997.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.00 ms. Allocated memory is still 96.5 MB. Free memory was 73.9 MB in the beginning and 73.4 MB in the end (delta: 495.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 402.64 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 60.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1815.53 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.2 MB in the beginning and 74.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Witness Printer took 49.69 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 72.2 MB in the end (delta: 1.9 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...