./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.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_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/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 b51d3ff9a76866bd9c6637bca261a8433dd4524e ................................................................................................................................................................................................................................................ 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 [2019-11-19 22:00:00,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:00:00,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:00:00,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:00:00,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:00:00,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:00:00,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:00:00,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:00:00,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:00:00,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:00:00,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:00:00,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:00:00,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:00:00,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:00:00,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:00:00,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:00:00,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:00:00,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:00:00,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:00:00,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:00:00,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:00:00,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:00:00,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:00:00,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:00:00,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:00:00,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:00:00,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:00:00,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:00:00,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:00:00,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:00:00,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:00:00,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:00:00,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:00:00,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:00:00,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:00:00,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:00:00,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:00:00,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:00:00,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:00:00,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:00:00,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:00:00,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-19 22:00:00,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:00:00,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:00:00,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:00:00,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:00:00,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:00:00,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:00:00,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:00:00,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:00:00,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:00:00,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:00:00,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:00:00,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:00:00,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:00:00,731 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 22:00:00,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:00:00,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:00:00,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:00:00,732 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:00:00,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:00:00,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:00:00,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:00:00,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:00:00,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:00:00,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:00:00,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:00:00,734 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:00:00,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:00:00,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:00:00,735 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_cfdf90a3-ebb8-4042-994f-5d510889f919/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 -> b51d3ff9a76866bd9c6637bca261a8433dd4524e [2019-11-19 22:00:00,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:00:00,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:00:00,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:00:00,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:00:00,909 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:00:00,909 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c [2019-11-19 22:00:00,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/data/32c74bba9/2811f6566d1f4a448def73b6ff82b787/FLAG27de65d89 [2019-11-19 22:00:01,350 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:00:01,351 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c [2019-11-19 22:00:01,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/data/32c74bba9/2811f6566d1f4a448def73b6ff82b787/FLAG27de65d89 [2019-11-19 22:00:01,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/data/32c74bba9/2811f6566d1f4a448def73b6ff82b787 [2019-11-19 22:00:01,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:00:01,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:00:01,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:00:01,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:00:01,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:00:01,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1d3fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01, skipping insertion in model container [2019-11-19 22:00:01,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,393 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:00:01,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:00:01,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:00:01,567 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:00:01,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:00:01,659 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:00:01,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01 WrapperNode [2019-11-19 22:00:01,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:00:01,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:00:01,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:00:01,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:00:01,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:00:01,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:00:01,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:00:01,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:00:01,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... [2019-11-19 22:00:01,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:00:01,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:00:01,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:00:01,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:00:01,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/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 [2019-11-19 22:00:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:00:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:00:02,227 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:00:02,227 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:00:02,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:02 BoogieIcfgContainer [2019-11-19 22:00:02,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:00:02,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:00:02,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:00:02,238 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:00:02,238 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:02" (1/1) ... [2019-11-19 22:00:02,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2019-11-19 22:00:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-19 22:00:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 22:00:02,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:02,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2019-11-19 22:00:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-11-19 22:00:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 22:00:02,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2019-11-19 22:00:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2019-11-19 22:00:02,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 22:00:02,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2019-11-19 22:00:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-19 22:00:02,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 22:00:02,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2019-11-19 22:00:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2019-11-19 22:00:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 22:00:02,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2019-11-19 22:00:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2019-11-19 22:00:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:00:03,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:00:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:00:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:00:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:00:03,200 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2019-11-19 22:00:03,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:00:03 ImpRootNode [2019-11-19 22:00:03,227 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:00:03,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:00:03,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:00:03,228 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:00:03,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:02" (3/4) ... [2019-11-19 22:00:03,231 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 22:00:03,269 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cfdf90a3-ebb8-4042-994f-5d510889f919/bin/ukojak/witness.graphml [2019-11-19 22:00:03,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:00:03,271 INFO L168 Benchmark]: Toolchain (without parser) took 1895.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -85.7 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:03,271 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:00:03,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -205.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:03,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:00:03,273 INFO L168 Benchmark]: Boogie Preprocessor took 24.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:03,273 INFO L168 Benchmark]: RCFGBuilder took 510.51 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:03,274 INFO L168 Benchmark]: CodeCheck took 998.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:03,274 INFO L168 Benchmark]: Witness Printer took 41.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:03,277 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, 19 locations, 6 error locations. Result: UNSAFE, OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 178 SDslu, 232 SDs, 0 SdLazy, 370 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y, n; [L15] n = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] COND TRUE x >= 0 [L19] y >= 0 && __VERIFIER_nondet_int() != 0 [L19] y >= 0 && __VERIFIER_nondet_int() != 0 [L19] COND FALSE !(y >= 0 && __VERIFIER_nondet_int() != 0) [L22] EXPR x - 1 [L22] x = x - 1 [L23] y <= n && __VERIFIER_nondet_int() != 0 [L23] y <= n && __VERIFIER_nondet_int() != 0 [L23] COND TRUE y <= n && __VERIFIER_nondet_int() != 0 [L24] y + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -205.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 510.51 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * CodeCheck took 998.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. * Witness Printer took 41.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...