./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY --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 cdc70cda395493f666d4d46866aa8726a5fc3558 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:55:35,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:55:35,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:55:35,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:55:35,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:55:35,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:55:35,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:55:35,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:55:35,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:55:35,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:55:35,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:55:35,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:55:35,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:55:35,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:55:35,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:55:35,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:55:35,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:55:35,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:55:35,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:55:35,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:55:35,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:55:35,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:55:35,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:55:35,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:55:35,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:55:35,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:55:35,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:55:35,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:55:35,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:55:35,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:55:35,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:55:35,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:55:35,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:55:35,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:55:35,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:55:35,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:55:35,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:55:35,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:55:35,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:55:35,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:55:35,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:55:35,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:55:35,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:55:35,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:55:35,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:55:35,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:55:35,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:55:35,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:55:35,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:55:35,388 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:55:35,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:55:35,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:55:35,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:55:35,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:55:35,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:55:35,389 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:55:35,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:55:35,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:55:35,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:55:35,390 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:55:35,390 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:55:35,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:55:35,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:55:35,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:55:35,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:55:35,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:55:35,391 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:55:35,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:55:35,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:55:35,392 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_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdc70cda395493f666d4d46866aa8726a5fc3558 [2021-10-13 04:55:35,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:55:35,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:55:35,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:55:35,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:55:35,642 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:55:35,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex7.c [2021-10-13 04:55:35,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/data/5a7aadc01/26ee40206ad743f3a7590aad95047098/FLAGd728276ad [2021-10-13 04:55:36,184 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:55:36,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex7.c [2021-10-13 04:55:36,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/data/5a7aadc01/26ee40206ad743f3a7590aad95047098/FLAGd728276ad [2021-10-13 04:55:36,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/data/5a7aadc01/26ee40206ad743f3a7590aad95047098 [2021-10-13 04:55:36,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:55:36,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:55:36,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:55:36,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:55:36,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:55:36,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3962f0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36, skipping insertion in model container [2021-10-13 04:55:36,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:55:36,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:55:36,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:55:36,739 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:55:36,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:55:36,786 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:55:36,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36 WrapperNode [2021-10-13 04:55:36,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:55:36,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:55:36,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:55:36,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:55:36,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:55:36,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:55:36,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:55:36,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:55:36,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:55:36,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:55:36,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:55:36,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:55:36,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:36" (1/1) ... [2021-10-13 04:55:36,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:55:36,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:55:36,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:55:36,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:55:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:55:36,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:55:37,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:55:37,146 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:55:37,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:55:37 BoogieIcfgContainer [2021-10-13 04:55:37,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:55:37,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:55:37,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:55:37,163 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:55:37,163 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:55:37" (1/1) ... [2021-10-13 04:55:37,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:55:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:55:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-10-13 04:55:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-10-13 04:55:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:55:37,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:55:37,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:55:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:55:37,318 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:55:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:55:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:55:37,368 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:55:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:55:37,378 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-13 04:55:37,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:55:37 ImpRootNode [2021-10-13 04:55:37,393 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:55:37,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:55:37,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:55:37,394 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:55:37,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:55:37" (3/4) ... [2021-10-13 04:55:37,397 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:55:37,429 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:55:37,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:55:37,431 INFO L168 Benchmark]: Toolchain (without parser) took 869.55 ms. Allocated memory is still 115.3 MB. Free memory was 86.6 MB in the beginning and 69.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:55:37,432 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 115.3 MB. Free memory is still 68.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:55:37,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.76 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 90.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:55:37,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.72 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 89.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:55:37,434 INFO L168 Benchmark]: Boogie Preprocessor took 23.02 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 88.2 MB in the end (delta: 856.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:55:37,435 INFO L168 Benchmark]: RCFGBuilder took 307.32 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 79.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:55:37,436 INFO L168 Benchmark]: CodeCheck took 243.99 ms. Allocated memory is still 115.3 MB. Free memory was 79.3 MB in the beginning and 70.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:55:37,437 INFO L168 Benchmark]: Witness Printer took 35.16 ms. Allocated memory is still 115.3 MB. Free memory was 70.9 MB in the beginning and 69.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:55:37,442 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, 15 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 196.4ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.9ms SsaConstructionTime, 5.7ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int q, z; [L22] q = __VERIFIER_nondet_int() [L23] z = __VERIFIER_nondet_int() [L24] COND TRUE q > 0 [L25] q + z * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 115.3 MB. Free memory is still 68.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 224.76 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 90.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.72 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 89.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.02 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 88.2 MB in the end (delta: 856.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 307.32 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 79.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 243.99 ms. Allocated memory is still 115.3 MB. Free memory was 79.3 MB in the beginning and 70.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 35.16 ms. Allocated memory is still 115.3 MB. Free memory was 70.9 MB in the beginning and 69.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:55:37,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18336726-4fec-4f9c-b58b-a55f740293c6/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...