./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB --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 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:52:30,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:30,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:30,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:30,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:30,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:30,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:30,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:30,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:30,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:30,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:30,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:30,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:30,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:30,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:30,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:30,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:30,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:30,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:30,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:30,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:30,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:30,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:30,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:30,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:30,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:30,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:30,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:30,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:30,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:30,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:30,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:31,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:31,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:31,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:31,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:31,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:31,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:31,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:31,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:31,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:31,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:52:31,040 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:31,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:31,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:31,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:31,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:31,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:31,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:31,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:31,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:52:31,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:31,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:31,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:31,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:31,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:31,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:31,045 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:52:31,045 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:31,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:31,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:31,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:31,046 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:31,046 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:31,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:31,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:31,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:31,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:31,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:31,047 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:31,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:31,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:31,048 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_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 [2022-10-17 16:52:31,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:31,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:31,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:31,355 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:31,356 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:31,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2022-10-17 16:52:31,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/data/7115068c6/bff58c0aa6474930abbda6c9d4d6d96a/FLAGa0d650505 [2022-10-17 16:52:31,836 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:31,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2022-10-17 16:52:31,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/data/7115068c6/bff58c0aa6474930abbda6c9d4d6d96a/FLAGa0d650505 [2022-10-17 16:52:32,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/data/7115068c6/bff58c0aa6474930abbda6c9d4d6d96a [2022-10-17 16:52:32,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:32,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:32,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:32,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:32,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:32,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4486716c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32, skipping insertion in model container [2022-10-17 16:52:32,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:32,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:32,478 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_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886] [2022-10-17 16:52:32,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:32,501 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:32,518 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_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886] [2022-10-17 16:52:32,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:32,540 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:32,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32 WrapperNode [2022-10-17 16:52:32,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:32,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:32,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:32,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:32,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,585 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-10-17 16:52:32,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:32,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:32,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:32,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:32,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:32,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:32,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:32,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:32,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:32,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:32,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:32,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:32,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:32,798 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:32,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:32,935 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:32,965 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:32,965 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:52:32,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:32 BoogieIcfgContainer [2022-10-17 16:52:32,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:32,969 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:32,969 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:32,979 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:32,980 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:32" (1/1) ... [2022-10-17 16:52:32,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:33,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-10-17 16:52:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-10-17 16:52:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:33,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:52:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:52:33,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:52:33,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:33,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-10-17 16:52:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-10-17 16:52:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:33,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 16:52:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 16:52:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:33,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 16:52:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 16:52:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:52:34,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 16:52:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:52:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:52:35,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-10-17 16:52:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:52:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:52:35,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2022-10-17 16:52:35,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2022-10-17 16:52:35,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:35,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:35,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2022-10-17 16:52:36,663 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2022-10-17 16:52:36,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:36,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:36,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:52:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-10-17 16:52:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-10-17 16:52:37,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:52:37,645 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-10-17 16:52:37,654 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-10-17 16:52:37,687 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-10-17 16:52:37,697 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:52:37,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:52:37 ImpRootNode [2022-10-17 16:52:37,698 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:52:37,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:52:37,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:52:37,699 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:52:37,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:32" (3/4) ... [2022-10-17 16:52:37,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:52:37,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 16:52:37,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:52:37,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:52:37,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:52:37,753 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:52:37,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:52:37,754 INFO L158 Benchmark]: Toolchain (without parser) took 5492.29ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 43.2MB in the beginning and 87.3MB in the end (delta: -44.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:37,755 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 59.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:37,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.93ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 74.7MB in the end (delta: -31.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:52:37,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.81ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:37,757 INFO L158 Benchmark]: Boogie Preprocessor took 42.24ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 72.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:37,758 INFO L158 Benchmark]: RCFGBuilder took 339.12ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 61.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:52:37,759 INFO L158 Benchmark]: CodeCheck took 4729.73ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 61.0MB in the beginning and 89.4MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:37,759 INFO L158 Benchmark]: Witness Printer took 54.67ms. Allocated memory is still 119.5MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:37,763 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: 4.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 890 IncrementalHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 0 mSDtfsCounter, 890 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 626 SyntacticMatches, 8 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6324 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s 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: 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 - 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: 24]: Loop Invariant Derived loop invariant: ((k <= 2147483647 && j <= k) && 1 <= k) || ((0 <= k && j <= k) && !(1 <= k)) - 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 0.29ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 59.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.93ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 74.7MB in the end (delta: -31.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.81ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.24ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 72.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.12ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 61.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4729.73ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 61.0MB in the beginning and 89.4MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.67ms. Allocated memory is still 119.5MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:52:37,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2fcbbf-eb8b-4fd8-8d14-eaf29b01b18b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE