./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e --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 68a9d192571af20a9caff88653fa376c42853b2f0586dd5e85037ba45183dc65 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-14 00:01:25,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 00:01:25,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 00:01:25,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 00:01:25,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 00:01:25,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 00:01:25,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 00:01:25,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 00:01:25,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 00:01:25,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 00:01:25,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 00:01:25,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 00:01:25,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 00:01:25,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 00:01:25,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 00:01:25,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 00:01:25,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 00:01:25,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 00:01:25,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 00:01:25,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 00:01:25,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 00:01:25,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 00:01:25,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 00:01:25,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 00:01:25,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 00:01:25,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 00:01:25,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 00:01:25,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 00:01:25,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 00:01:25,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 00:01:25,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 00:01:25,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 00:01:25,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 00:01:25,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 00:01:25,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 00:01:25,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 00:01:25,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 00:01:25,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 00:01:25,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 00:01:25,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 00:01:25,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 00:01:25,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-14 00:01:25,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 00:01:25,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 00:01:25,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 00:01:25,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-14 00:01:25,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 00:01:25,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 00:01:25,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 00:01:25,836 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-14 00:01:25,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 00:01:25,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 00:01:25,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 00:01:25,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 00:01:25,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 00:01:25,838 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-14 00:01:25,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 00:01:25,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 00:01:25,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 00:01:25,839 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-14 00:01:25,839 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-14 00:01:25,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 00:01:25,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-14 00:01:25,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 00:01:25,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 00:01:25,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 00:01:25,841 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-14 00:01:25,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 00:01:25,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 00:01:25,841 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_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68a9d192571af20a9caff88653fa376c42853b2f0586dd5e85037ba45183dc65 [2021-11-14 00:01:26,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 00:01:26,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 00:01:26,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 00:01:26,151 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 00:01:26,152 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 00:01:26,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c [2021-11-14 00:01:26,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/data/801c05467/b186fdba12484bffa2f117c2b1fb05c7/FLAG8501c2971 [2021-11-14 00:01:26,653 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 00:01:26,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c [2021-11-14 00:01:26,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/data/801c05467/b186fdba12484bffa2f117c2b1fb05c7/FLAG8501c2971 [2021-11-14 00:01:27,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/data/801c05467/b186fdba12484bffa2f117c2b1fb05c7 [2021-11-14 00:01:27,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 00:01:27,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-14 00:01:27,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 00:01:27,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 00:01:27,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 00:01:27,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5703108c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27, skipping insertion in model container [2021-11-14 00:01:27,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 00:01:27,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 00:01:27,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 00:01:27,245 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 00:01:27,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 00:01:27,282 INFO L208 MainTranslator]: Completed translation [2021-11-14 00:01:27,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27 WrapperNode [2021-11-14 00:01:27,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 00:01:27,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 00:01:27,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 00:01:27,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 00:01:27,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 00:01:27,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 00:01:27,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 00:01:27,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 00:01:27,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 00:01:27,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 00:01:27,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 00:01:27,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 00:01:27,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-14 00:01:27,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/z3 [2021-11-14 00:01:27,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-14 00:01:27,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-14 00:01:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 00:01:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 00:01:27,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 00:01:27,710 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-14 00:01:27,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:01:27 BoogieIcfgContainer [2021-11-14 00:01:27,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 00:01:27,714 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-14 00:01:27,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-14 00:01:27,725 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-14 00:01:27,725 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:01:27" (1/1) ... [2021-11-14 00:01:27,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 00:01:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:27,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-14 00:01:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-14 00:01:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-14 00:01:27,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:27,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-14 00:01:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-14 00:01:27,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-14 00:01:27,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:27,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-11-14 00:01:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-14 00:01:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-14 00:01:28,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:28,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:28,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-14 00:01:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-14 00:01:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-14 00:01:28,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:28,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2021-11-14 00:01:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2021-11-14 00:01:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-14 00:01:28,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:28,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:28,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-11-14 00:01:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-11-14 00:01:28,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-14 00:01:28,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:28,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 00:01:28,747 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-14 00:01:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 00:01:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 00:01:28,801 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-14 00:01:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 00:01:28,820 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2021-11-14 00:01:28,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.11 12:01:28 ImpRootNode [2021-11-14 00:01:28,858 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-14 00:01:28,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-14 00:01:28,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-14 00:01:28,860 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-14 00:01:28,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:01:27" (3/4) ... [2021-11-14 00:01:28,863 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-14 00:01:28,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-14 00:01:28,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-14 00:01:28,921 INFO L158 Benchmark]: Toolchain (without parser) took 1842.27ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 66.7MB in the beginning and 98.4MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-14 00:01:28,922 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-14 00:01:28,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.68ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 81.7MB in the end (delta: -15.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-14 00:01:28,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 104.9MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-14 00:01:28,923 INFO L158 Benchmark]: Boogie Preprocessor took 19.87ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 79.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-14 00:01:28,924 INFO L158 Benchmark]: RCFGBuilder took 365.00ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 68.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-14 00:01:28,925 INFO L158 Benchmark]: CodeCheck took 1143.79ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 99.5MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-14 00:01:28,925 INFO L158 Benchmark]: Witness Printer took 56.88ms. Allocated memory is still 130.0MB. Free memory was 99.5MB in the beginning and 98.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-14 00:01:28,933 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, 19 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 307.38ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 232.97ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 52 mSDtfsCounter, 164 mSolverCounterSat, 11.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 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 VAL [n=2147483647, x=1, y=2147483647] [L19] y >= 0 && __VERIFIER_nondet_int() != 0 [L19] y >= 0 && __VERIFIER_nondet_int() != 0 VAL [__VERIFIER_nondet_int()=0, n=2147483647, x=1, y=2147483647, y >= 0 && __VERIFIER_nondet_int() != 0=0] [L19] COND FALSE !(y >= 0 && __VERIFIER_nondet_int() != 0) [L22] EXPR x - 1 [L22] x = x - 1 VAL [n=2147483647, x=0, y=2147483647] [L23] y <= n && __VERIFIER_nondet_int() != 0 [L23] y <= n && __VERIFIER_nondet_int() != 0 VAL [__VERIFIER_nondet_int()=-1, n=2147483647, x=0, y=2147483647, y <= n && __VERIFIER_nondet_int() != 0=1] [L23] COND TRUE y <= n && __VERIFIER_nondet_int() != 0 [L24] y + 1 VAL [n=2147483647, x=0, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.68ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 81.7MB in the end (delta: -15.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 104.9MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.87ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 79.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.00ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 68.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1143.79ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 99.5MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.88ms. Allocated memory is still 130.0MB. Free memory was 99.5MB in the beginning and 98.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-14 00:01:28,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c771f25-37b1-460e-90e4-6cc40cabcd42/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)