./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL --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 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:48:15,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:48:15,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:48:15,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:48:15,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:48:15,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:48:15,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:48:15,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:48:15,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:48:15,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:48:15,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:48:15,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:48:15,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:48:15,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:48:15,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:48:15,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:48:15,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:48:15,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:48:15,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:48:15,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:48:15,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:48:15,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:48:15,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:48:15,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:48:15,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:48:15,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:48:15,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:48:15,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:48:15,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:48:15,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:48:15,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:48:15,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:48:15,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:48:15,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:48:15,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:48:15,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:48:15,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:48:15,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:48:15,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:48:15,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:48:15,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:48:15,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:48:15,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:48:15,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:48:15,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:48:15,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:48:15,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:48:15,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:48:15,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:48:15,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:48:15,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:48:15,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:48:15,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:48:15,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:48:15,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:48:15,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:48:15,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:48:15,733 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:48:15,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:48:15,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:48:15,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:48:15,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:48:15,734 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:48:15,734 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:48:15,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:48:15,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:48:15,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:48:15,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:48:15,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:48:15,735 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:48:15,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:48:15,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:48:15,738 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_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 [2021-11-25 06:48:16,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:48:16,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:48:16,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:48:16,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:48:16,111 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:48:16,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-11-25 06:48:16,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/data/14fd2af26/2035b7d558c14ae9bdc541720a01b33e/FLAG1dcfbb67c [2021-11-25 06:48:16,734 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:48:16,735 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-11-25 06:48:16,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/data/14fd2af26/2035b7d558c14ae9bdc541720a01b33e/FLAG1dcfbb67c [2021-11-25 06:48:17,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/data/14fd2af26/2035b7d558c14ae9bdc541720a01b33e [2021-11-25 06:48:17,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:48:17,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:48:17,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:48:17,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:48:17,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:48:17,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f15fd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17, skipping insertion in model container [2021-11-25 06:48:17,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:48:17,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:48:17,308 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_e8f57afe-dcd5-489a-8181-9d1aa72d1876/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-11-25 06:48:17,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:48:17,327 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:48:17,340 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_e8f57afe-dcd5-489a-8181-9d1aa72d1876/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-11-25 06:48:17,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:48:17,360 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:48:17,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17 WrapperNode [2021-11-25 06:48:17,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:48:17,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:48:17,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:48:17,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:48:17,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,402 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2021-11-25 06:48:17,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:48:17,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:48:17,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:48:17,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:48:17,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:48:17,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:48:17,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:48:17,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:48:17,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:48:17,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:48:17,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:48:17,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:48:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:48:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:48:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:48:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:48:17,591 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:48:17,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:48:17,691 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:48:17,713 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:48:17,714 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:48:17,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:17 BoogieIcfgContainer [2021-11-25 06:48:17,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:48:17,717 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:48:17,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:48:17,732 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:48:17,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:17" (1/1) ... [2021-11-25 06:48:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:48:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-25 06:48:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-25 06:48:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:48:17,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:17,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-25 06:48:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-25 06:48:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:48:18,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:18,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-25 06:48:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-25 06:48:18,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:48:18,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:18,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-25 06:48:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-25 06:48:18,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:48:18,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:18,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-25 06:48:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-25 06:48:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:48:19,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:19,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-11-25 06:48:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-25 06:48:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:48:19,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:19,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-25 06:48:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-25 06:48:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:48:20,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:20,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-11-25 06:48:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-11-25 06:48:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:48:20,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:20,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2021-11-25 06:48:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-11-25 06:48:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:48:21,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:21,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:48:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-25 06:48:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-25 06:48:22,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 06:48:22,053 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-11-25 06:48:22,062 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-25 06:48:22,093 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-25 06:48:22,104 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 06:48:22,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:48:22 ImpRootNode [2021-11-25 06:48:22,106 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:48:22,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:48:22,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:48:22,107 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:48:22,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:17" (3/4) ... [2021-11-25 06:48:22,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 06:48:22,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-25 06:48:22,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 06:48:22,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 06:48:22,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 06:48:22,179 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 06:48:22,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:48:22,184 INFO L158 Benchmark]: Toolchain (without parser) took 5093.52ms. Allocated memory was 104.9MB in the beginning and 148.9MB in the end (delta: 44.0MB). Free memory was 63.4MB in the beginning and 42.8MB in the end (delta: 20.5MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2021-11-25 06:48:22,184 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:48:22,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.84ms. Allocated memory is still 104.9MB. Free memory was 63.2MB in the beginning and 79.6MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 06:48:22,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.11ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:48:22,188 INFO L158 Benchmark]: Boogie Preprocessor took 38.72ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:48:22,189 INFO L158 Benchmark]: RCFGBuilder took 273.54ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 67.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 06:48:22,190 INFO L158 Benchmark]: CodeCheck took 4388.82ms. Allocated memory was 104.9MB in the beginning and 148.9MB in the end (delta: 44.0MB). Free memory was 67.6MB in the beginning and 46.0MB in the end (delta: 21.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2021-11-25 06:48:22,190 INFO L158 Benchmark]: Witness Printer took 76.78ms. Allocated memory is still 148.9MB. Free memory was 46.0MB in the beginning and 42.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:48:22,194 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 210 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894 IncrementalHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 210 mSolverCounterUnsat, 0 mSDtfsCounter, 894 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 791 GetRequests, 641 SyntacticMatches, 38 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5386 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 16/35 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: x <= y && y <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.84ms. Allocated memory is still 104.9MB. Free memory was 63.2MB in the beginning and 79.6MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.11ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.72ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.54ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 67.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4388.82ms. Allocated memory was 104.9MB in the beginning and 148.9MB in the end (delta: 44.0MB). Free memory was 67.6MB in the beginning and 46.0MB in the end (delta: 21.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Witness Printer took 76.78ms. Allocated memory is still 148.9MB. Free memory was 46.0MB in the beginning and 42.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 06:48:22,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f57afe-dcd5-489a-8181-9d1aa72d1876/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE