./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/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 0.1.24-678e011 [2019-11-20 02:03:36,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:03:36,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:03:36,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:03:36,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:03:36,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:03:36,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:03:36,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:03:36,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:03:36,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:03:36,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:03:36,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:03:36,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:03:36,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:03:36,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:03:36,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:03:36,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:03:36,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:03:36,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:03:36,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:03:36,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:03:36,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:03:36,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:03:36,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:03:36,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:03:36,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:03:36,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:03:36,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:03:36,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:03:36,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:03:36,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:03:36,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:03:36,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:03:36,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:03:36,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:03:36,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:03:36,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:03:36,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:03:36,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:03:36,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:03:36,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:03:36,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 02:03:36,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:03:36,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:03:36,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:03:36,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:03:36,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:03:36,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:03:36,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:03:36,579 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:03:36,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:03:36,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:03:36,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:03:36,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:03:36,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:03:36,581 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 02:03:36,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:03:36,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:03:36,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:03:36,582 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:03:36,582 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:03:36,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:03:36,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:03:36,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:03:36,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:03:36,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:03:36,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:03:36,587 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:03:36,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:03:36,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:03:36,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_336ddb0e-b695-45d6-ab02-0ff1e192c884/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 [2019-11-20 02:03:36,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:03:36,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:03:36,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:03:36,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:03:36,742 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:03:36,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2019-11-20 02:03:36,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/data/9aecb2760/97b90ca5cbb44ac0bfe335d2fe7a6f26/FLAG49b310130 [2019-11-20 02:03:37,106 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:03:37,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2019-11-20 02:03:37,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/data/9aecb2760/97b90ca5cbb44ac0bfe335d2fe7a6f26/FLAG49b310130 [2019-11-20 02:03:37,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/data/9aecb2760/97b90ca5cbb44ac0bfe335d2fe7a6f26 [2019-11-20 02:03:37,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:03:37,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:03:37,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:03:37,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:03:37,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:03:37,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cac9d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37, skipping insertion in model container [2019-11-20 02:03:37,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:03:37,574 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:03:37,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:03:37,718 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:03:37,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:03:37,817 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:03:37,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37 WrapperNode [2019-11-20 02:03:37,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:03:37,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:03:37,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:03:37,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:03:37,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:03:37,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:03:37,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:03:37,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:03:37,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... [2019-11-20 02:03:37,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:03:37,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:03:37,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:03:37,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:03:37,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/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 [2019-11-20 02:03:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:03:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:03:38,260 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:03:38,261 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 02:03:38,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:38 BoogieIcfgContainer [2019-11-20 02:03:38,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:03:38,262 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:03:38,263 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:03:38,273 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:03:38,274 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:38" (1/1) ... [2019-11-20 02:03:38,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:03:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2019-11-20 02:03:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2019-11-20 02:03:38,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 02:03:38,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2019-11-20 02:03:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2019-11-20 02:03:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:03:38,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2019-11-20 02:03:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2019-11-20 02:03:38,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:03:38,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2019-11-20 02:03:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2019-11-20 02:03:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:03:38,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2019-11-20 02:03:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2019-11-20 02:03:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 02:03:38,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2019-11-20 02:03:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2019-11-20 02:03:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 02:03:38,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2019-11-20 02:03:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2019-11-20 02:03:39,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 02:03:39,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:03:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2019-11-20 02:03:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-11-20 02:03:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 02:03:39,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:03:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:03:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:03:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:03:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:03:39,976 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2019-11-20 02:03:40,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:03:40 ImpRootNode [2019-11-20 02:03:40,006 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:03:40,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:03:40,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:03:40,006 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:03:40,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:38" (3/4) ... [2019-11-20 02:03:40,010 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 02:03:40,052 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_336ddb0e-b695-45d6-ab02-0ff1e192c884/bin/ukojak/witness.graphml [2019-11-20 02:03:40,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:03:40,054 INFO L168 Benchmark]: Toolchain (without parser) took 2513.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 965.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:40,054 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:03:40,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:40,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:40,056 INFO L168 Benchmark]: Boogie Preprocessor took 19.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:40,057 INFO L168 Benchmark]: RCFGBuilder took 396.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:40,058 INFO L168 Benchmark]: CodeCheck took 1743.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.1 MB in the end (delta: 142.4 MB). Peak memory consumption was 142.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:40,058 INFO L168 Benchmark]: Witness Printer took 46.24 ms. Allocated memory is still 1.2 GB. Free memory was 967.1 MB in the beginning and 965.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:40,061 INFO L335 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. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 446 SDslu, 32 SDs, 0 SdLazy, 2350 SolverSat, 508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 396.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1743.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.1 MB in the end (delta: 142.4 MB). Peak memory consumption was 142.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.24 ms. Allocated memory is still 1.2 GB. Free memory was 967.1 MB in the beginning and 965.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...