./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Division-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Division-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI --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 bcd985be4d5b056143625ede780ed1bdcfd1a69390fda6644aa25539fa51e5a7 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:46:27,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:46:27,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:46:27,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:46:27,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:46:27,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:46:27,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:46:27,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:46:27,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:46:28,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:46:28,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:46:28,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:46:28,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:46:28,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:46:28,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:46:28,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:46:28,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:46:28,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:46:28,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:46:28,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:46:28,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:46:28,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:46:28,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:46:28,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:46:28,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:46:28,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:46:28,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:46:28,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:46:28,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:46:28,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:46:28,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:46:28,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:46:28,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:46:28,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:46:28,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:46:28,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:46:28,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:46:28,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:46:28,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:46:28,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:46:28,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:46:28,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:46:28,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:46:28,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:46:28,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:46:28,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:46:28,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:46:28,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:46:28,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:46:28,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:46:28,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:46:28,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:46:28,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:46:28,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:46:28,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:46:28,120 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:46:28,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:46:28,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:46:28,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:46:28,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:46:28,122 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:46:28,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:46:28,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:46:28,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:46:28,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:46:28,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:46:28,124 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:46:28,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:46:28,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:46:28,125 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_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcd985be4d5b056143625ede780ed1bdcfd1a69390fda6644aa25539fa51e5a7 [2021-10-29 03:46:28,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:46:28,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:46:28,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:46:28,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:46:28,471 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:46:28,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted/Division-2.c [2021-10-29 03:46:28,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/data/0c934812a/db4603e710dc434f8a165849767d3c3e/FLAG3c746802f [2021-10-29 03:46:29,041 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:46:29,042 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/sv-benchmarks/c/termination-crafted/Division-2.c [2021-10-29 03:46:29,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/data/0c934812a/db4603e710dc434f8a165849767d3c3e/FLAG3c746802f [2021-10-29 03:46:29,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/data/0c934812a/db4603e710dc434f8a165849767d3c3e [2021-10-29 03:46:29,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:46:29,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:46:29,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:46:29,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:46:29,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:46:29,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f12ee27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29, skipping insertion in model container [2021-10-29 03:46:29,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:46:29,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:46:29,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:46:29,670 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:46:29,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:46:29,696 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:46:29,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29 WrapperNode [2021-10-29 03:46:29,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:46:29,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:46:29,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:46:29,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:46:29,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:46:29,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:46:29,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:46:29,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:46:29,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:46:29,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:46:29,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:46:29,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:46:29,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:29" (1/1) ... [2021-10-29 03:46:29,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:46:29,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:46:29,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:46:29,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:46:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:46:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:46:30,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:46:30,100 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:46:30,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:30 BoogieIcfgContainer [2021-10-29 03:46:30,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:46:30,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:46:30,104 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:46:30,125 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:46:30,125 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:30" (1/1) ... [2021-10-29 03:46:30,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:46:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-10-29 03:46:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-10-29 03:46:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:46:30,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:30,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-10-29 03:46:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-10-29 03:46:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:46:30,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:30,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:30,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:30,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-10-29 03:46:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-10-29 03:46:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:46:30,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:30,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-10-29 03:46:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-10-29 03:46:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:46:30,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:30,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-29 03:46:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-29 03:46:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:46:30,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:30,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-29 03:46:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-29 03:46:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:46:30,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:30,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-29 03:46:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-29 03:46:30,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:46:30,827 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-29 03:46:30,833 INFO L759 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2021-10-29 03:46:30,856 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:46:30,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:46:30 ImpRootNode [2021-10-29 03:46:30,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:46:30,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:46:30,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:46:30,862 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:46:30,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:30" (3/4) ... [2021-10-29 03:46:30,866 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:46:30,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:46:30,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 03:46:30,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:46:30,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:46:30,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:46:30,911 INFO L168 Benchmark]: Toolchain (without parser) took 1463.55 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.9 MB in the beginning and 74.4 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:46:30,911 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 86.0 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:46:30,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.08 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.7 MB in the beginning and 83.0 MB in the end (delta: -32.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:30,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.04 ms. Allocated memory is still 104.9 MB. Free memory was 83.0 MB in the beginning and 81.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:46:30,913 INFO L168 Benchmark]: Boogie Preprocessor took 18.02 ms. Allocated memory is still 104.9 MB. Free memory was 81.7 MB in the beginning and 80.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:30,914 INFO L168 Benchmark]: RCFGBuilder took 353.01 ms. Allocated memory is still 104.9 MB. Free memory was 80.6 MB in the beginning and 71.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:30,915 INFO L168 Benchmark]: CodeCheck took 757.11 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 77.0 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:46:30,915 INFO L168 Benchmark]: Witness Printer took 47.59 ms. Allocated memory is still 104.9 MB. Free memory was 77.0 MB in the beginning and 74.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:30,919 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: 0.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 128 SDtfs, 238 SDslu, 0 SDs, 0 SdLazy, 708 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 202 SyntacticMatches, 13 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 86.0 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.08 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.7 MB in the beginning and 83.0 MB in the end (delta: -32.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.04 ms. Allocated memory is still 104.9 MB. Free memory was 83.0 MB in the beginning and 81.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.02 ms. Allocated memory is still 104.9 MB. Free memory was 81.7 MB in the beginning and 80.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 353.01 ms. Allocated memory is still 104.9 MB. Free memory was 80.6 MB in the beginning and 71.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 757.11 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 77.0 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 47.59 ms. Allocated memory is still 104.9 MB. Free memory was 77.0 MB in the beginning and 74.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:46:30,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70900ccc-d61f-4be3-93fe-0ecfaa340753/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...