./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark09_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_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/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_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/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_4de6f36a-c493-460d-b553-661535448dc9/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 64cd7ac5eb0a9d67f170f7116fe70bfc33ede6496f7f1decfe8a4115f59f37aa --- 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 16:55:48,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:48,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:48,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:48,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:48,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:48,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:48,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:48,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:48,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:48,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:48,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:48,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:48,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:48,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:49,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:49,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:49,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:49,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:49,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:49,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:49,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:49,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:49,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:49,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:49,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:49,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:49,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:49,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:49,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:49,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:49,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:49,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:49,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:49,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:49,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:49,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:49,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:49,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:49,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:49,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:49,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:55:49,136 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:49,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:49,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:49,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:49,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:49,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:49,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:49,140 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:49,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:55:49,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:49,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:49,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:49,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:49,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:49,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:49,143 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:55:49,143 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:49,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:49,144 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:49,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:49,144 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:49,144 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:49,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:49,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:49,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:49,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:49,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:49,148 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:49,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:49,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:49,148 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_4de6f36a-c493-460d-b553-661535448dc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64cd7ac5eb0a9d67f170f7116fe70bfc33ede6496f7f1decfe8a4115f59f37aa [2022-10-17 16:55:49,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:49,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:49,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:49,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:49,472 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:49,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i [2022-10-17 16:55:49,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/data/0eb7c268a/8568ca97e35443e882d4be0870233aa4/FLAGd45fb48d8 [2022-10-17 16:55:50,076 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:50,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i [2022-10-17 16:55:50,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/data/0eb7c268a/8568ca97e35443e882d4be0870233aa4/FLAGd45fb48d8 [2022-10-17 16:55:50,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/data/0eb7c268a/8568ca97e35443e882d4be0870233aa4 [2022-10-17 16:55:50,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:50,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:50,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:50,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:50,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:50,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6992f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50, skipping insertion in model container [2022-10-17 16:55:50,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:50,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:50,742 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_4de6f36a-c493-460d-b553-661535448dc9/sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i[873,886] [2022-10-17 16:55:50,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:50,762 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:50,777 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_4de6f36a-c493-460d-b553-661535448dc9/sv-benchmarks/c/loop-zilu/benchmark09_conjunctive.i[873,886] [2022-10-17 16:55:50,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:50,797 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:50,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50 WrapperNode [2022-10-17 16:55:50,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:50,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:50,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:50,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:50,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,839 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2022-10-17 16:55:50,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:50,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:50,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:50,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:50,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:50,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:50,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:50,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:50,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:50" (1/1) ... [2022-10-17 16:55:50,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:50,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:50,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:50,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:51,045 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:51,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:51,217 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:51,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:51,269 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:55:51,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:51 BoogieIcfgContainer [2022-10-17 16:55:51,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:51,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:51,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:51,292 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:51,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:51" (1/1) ... [2022-10-17 16:55:51,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-10-17 16:55:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-10-17 16:55:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:55:51,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:51,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:51,688 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 16:55:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-10-17 16:55:51,758 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-10-17 16:55:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:55:51,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:51,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:51,854 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 16:55:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:55:52,027 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:55:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:55:52,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:52,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:52,157 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 16:55:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 16:55:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 16:55:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:52,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:52,727 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 16:55:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:55:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:55:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:55:53,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:53,398 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 16:55:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-10-17 16:55:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:55:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:55:53,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:53,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:53,979 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 16:55:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-10-17 16:55:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-10-17 16:55:54,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:55:54,241 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-10-17 16:55:54,250 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-10-17 16:55:54,290 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 16:55:54,300 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:55:54,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:55:54 ImpRootNode [2022-10-17 16:55:54,301 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:55:54,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:55:54,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:55:54,302 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:55:54,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:51" (3/4) ... [2022-10-17 16:55:54,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:55:54,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 16:55:54,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-10-17 16:55:54,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:55:54,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:55:54,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:55:54,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:55:54,354 INFO L158 Benchmark]: Toolchain (without parser) took 3929.71ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 58.2MB in the beginning and 43.0MB in the end (delta: 15.2MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2022-10-17 16:55:54,354 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:54,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.88ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 60.1MB in the end (delta: -2.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:55:54,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.77ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 58.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:54,356 INFO L158 Benchmark]: Boogie Preprocessor took 38.70ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 57.5MB in the end (delta: 975.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:55:54,356 INFO L158 Benchmark]: RCFGBuilder took 393.16ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 47.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:55:54,357 INFO L158 Benchmark]: CodeCheck took 3024.04ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 46.8MB in the beginning and 45.1MB in the end (delta: 1.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2022-10-17 16:55:54,358 INFO L158 Benchmark]: Witness Printer took 51.63ms. Allocated memory is still 123.7MB. Free memory was 45.1MB in the beginning and 43.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:55:54,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 437 IncrementalHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 0 mSDtfsCounter, 437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 382 GetRequests, 302 SyntacticMatches, 6 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2120 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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: ((0 <= x && x <= 2147483647) && 0 <= 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 0.37ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.88ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 60.1MB in the end (delta: -2.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.77ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 58.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.70ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 57.5MB in the end (delta: 975.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.16ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 47.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 3024.04ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 46.8MB in the beginning and 45.1MB in the end (delta: 1.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Witness Printer took 51.63ms. Allocated memory is still 123.7MB. Free memory was 45.1MB in the beginning and 43.0MB 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 16:55:54,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de6f36a-c493-460d-b553-661535448dc9/bin/ukojak-92XMlrwhuB/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