./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark29_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark29_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ --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 32bit --witnessprinter.graph.data.programhash 8ea6dc0bafa5a28653d9fabe4d322befcb916956980332e0149835c6371af6a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:15,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:15,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:15,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:15,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:15,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:15,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:15,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:15,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:15,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:15,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:15,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:15,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:15,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:15,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:15,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:15,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:15,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:15,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:15,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:15,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:15,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:15,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:15,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:15,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:15,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:15,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:15,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:15,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:15,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:15,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:15,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:15,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:15,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:15,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:15,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:15,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:15,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:15,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:15,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:15,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:15,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 01:47:15,451 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:15,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:15,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:15,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:15,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:15,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:15,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:15,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:47:15,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:47:15,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:47:15,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:47:15,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:15,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:15,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:15,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:15,459 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:47:15,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:47:15,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:15,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:15,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:15,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:15,461 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:15,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:15,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:15,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:15,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:15,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:15,462 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:47:15,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:47:15,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:15,465 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_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ea6dc0bafa5a28653d9fabe4d322befcb916956980332e0149835c6371af6a1 [2021-11-23 01:47:15,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:15,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:15,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:15,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:15,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:15,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-zilu/benchmark29_linear.i [2021-11-23 01:47:15,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/data/45f7cac93/2ef88ad029bb450db0fedaebf2827298/FLAGe86add514 [2021-11-23 01:47:16,292 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:16,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/sv-benchmarks/c/loop-zilu/benchmark29_linear.i [2021-11-23 01:47:16,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/data/45f7cac93/2ef88ad029bb450db0fedaebf2827298/FLAGe86add514 [2021-11-23 01:47:16,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/data/45f7cac93/2ef88ad029bb450db0fedaebf2827298 [2021-11-23 01:47:16,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:16,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:16,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:16,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:16,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:16,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:16,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fceba38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16, skipping insertion in model container [2021-11-23 01:47:16,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:16,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:16,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:16,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/sv-benchmarks/c/loop-zilu/benchmark29_linear.i[868,881] [2021-11-23 01:47:16,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:16,914 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:16,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/sv-benchmarks/c/loop-zilu/benchmark29_linear.i[868,881] [2021-11-23 01:47:16,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:16,936 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:16,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16 WrapperNode [2021-11-23 01:47:16,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:16,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:16,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:16,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:16,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:16,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:16,984 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-23 01:47:16,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:16,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:16,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:16,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:16,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:16,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:16,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:16,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:17,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:17,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:17,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:17,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:17,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:17,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:17,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:17,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:16" (1/1) ... [2021-11-23 01:47:17,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:17,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:17,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:17,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:47:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:17,190 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:17,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:47:17,352 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:47:17,370 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:47:17,370 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:47:17,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:17 BoogieIcfgContainer [2021-11-23 01:47:17,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:47:17,374 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:47:17,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:47:17,384 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:47:17,385 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:17" (1/1) ... [2021-11-23 01:47:17,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:47:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-23 01:47:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-23 01:47:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:47:17,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:17,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:17,528 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:47:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:17,570 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:47:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:17,582 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-23 01:47:17,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:47:17 ImpRootNode [2021-11-23 01:47:17,605 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:47:17,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:47:17,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:47:17,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:47:17,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:17" (3/4) ... [2021-11-23 01:47:17,608 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:47:17,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3b2b-9eb9-4b54-96b0-9a0c85997e95/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:47:17,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:47:17,645 INFO L158 Benchmark]: Toolchain (without parser) took 935.22ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 61.9MB in the end (delta: 17.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-23 01:47:17,645 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:47:17,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.44ms. Allocated memory is still 111.1MB. Free memory was 79.1MB in the beginning and 85.9MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:47:17,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.88ms. Allocated memory is still 111.1MB. Free memory was 85.9MB in the beginning and 84.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:47:17,649 INFO L158 Benchmark]: Boogie Preprocessor took 44.72ms. Allocated memory is still 111.1MB. Free memory was 84.6MB in the beginning and 83.6MB in the end (delta: 930.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:47:17,650 INFO L158 Benchmark]: RCFGBuilder took 341.93ms. Allocated memory is still 111.1MB. Free memory was 83.6MB in the beginning and 73.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:47:17,651 INFO L158 Benchmark]: CodeCheck took 231.01ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 63.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:47:17,652 INFO L158 Benchmark]: Witness Printer took 38.00ms. Allocated memory is still 111.1MB. Free memory was 63.6MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:47:17,658 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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, 0.0s 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: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x