./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/parity.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ --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 d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- 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-6b4ec56 [2022-11-20 16:59:32,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:59:32,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:59:32,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:59:32,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:59:32,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:59:32,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:59:32,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:59:32,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:59:32,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:59:32,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:59:32,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:59:32,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:59:32,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:59:32,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:59:32,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:59:32,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:59:32,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:59:32,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:59:32,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:59:32,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:59:32,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:59:32,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:59:32,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:59:32,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:59:32,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:59:32,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:59:32,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:59:32,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:59:32,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:59:32,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:59:32,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:59:32,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:59:32,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:59:32,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:59:32,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:59:32,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:59:32,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:59:32,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:59:32,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:59:32,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:59:32,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:59:32,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:59:32,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:59:32,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:59:32,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:59:32,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:59:32,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:59:32,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:59:32,721 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:59:32,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:59:32,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:59:32,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:59:32,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:59:32,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:59:32,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:59:32,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:59:32,722 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:59:32,723 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:59:32,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:59:32,723 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:59:32,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:59:32,723 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:59:32,723 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:59:32,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:59:32,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:32,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:59:32,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:59:32,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:59:32,728 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:59:32,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:59:32,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:59:32,729 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_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2022-11-20 16:59:33,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:59:33,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:59:33,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:59:33,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:59:33,127 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:59:33,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/bitvector/parity.i [2022-11-20 16:59:36,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:59:36,393 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:59:36,393 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/sv-benchmarks/c/bitvector/parity.i [2022-11-20 16:59:36,400 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/data/b3709115f/08b3af69c676427f8ceab099701702d0/FLAG968602a47 [2022-11-20 16:59:36,415 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/data/b3709115f/08b3af69c676427f8ceab099701702d0 [2022-11-20 16:59:36,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:59:36,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:59:36,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:36,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:59:36,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:59:36,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67894336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36, skipping insertion in model container [2022-11-20 16:59:36,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:59:36,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:59:36,597 WARN L237 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_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2022-11-20 16:59:36,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:36,622 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:59:36,635 WARN L237 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_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2022-11-20 16:59:36,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:36,657 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:59:36,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36 WrapperNode [2022-11-20 16:59:36,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:36,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:36,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:59:36,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:59:36,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,693 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-11-20 16:59:36,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:36,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:59:36,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:59:36,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:59:36,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,715 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:59:36,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:59:36,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:59:36,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:59:36,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:36" (1/1) ... [2022-11-20 16:59:36,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:36,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:59:36,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:59:36,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:59:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:59:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:59:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:59:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:59:36,868 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:59:36,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:59:37,038 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:59:37,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:59:37,353 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:59:37,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:37 BoogieIcfgContainer [2022-11-20 16:59:37,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:59:37,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:59:37,358 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:59:37,377 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:59:37,378 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:37" (1/1) ... [2022-11-20 16:59:37,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:59:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2022-11-20 16:59:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 3 transitions. [2022-11-20 16:59:37,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:59:37,494 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2022-11-20 16:59:37,503 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2022-11-20 16:59:37,525 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:59:37,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:59:37 ImpRootNode [2022-11-20 16:59:37,531 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:59:37,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:59:37,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:59:37,532 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:59:37,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:37" (3/4) ... [2022-11-20 16:59:37,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:59:37,556 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 16:59:37,557 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:59:37,557 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:59:37,557 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:59:37,601 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:59:37,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:59:37,602 INFO L158 Benchmark]: Toolchain (without parser) took 1182.94ms. Allocated memory is still 176.2MB. Free memory was 130.5MB in the beginning and 84.4MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:37,603 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:37,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.69ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 120.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:59:37,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.12ms. Allocated memory is still 176.2MB. Free memory was 120.1MB in the beginning and 118.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:37,604 INFO L158 Benchmark]: Boogie Preprocessor took 24.29ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 117.3MB in the end (delta: 663.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:37,605 INFO L158 Benchmark]: RCFGBuilder took 637.71ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 92.8MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 16:59:37,605 INFO L158 Benchmark]: CodeCheck took 173.40ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 87.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:59:37,606 INFO L158 Benchmark]: Witness Printer took 69.85ms. Allocated memory is still 176.2MB. Free memory was 87.8MB in the beginning and 84.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:59:37,609 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, 3 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.69ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 120.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.12ms. Allocated memory is still 176.2MB. Free memory was 120.1MB in the beginning and 118.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.29ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 117.3MB in the end (delta: 663.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 637.71ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 92.8MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 173.40ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 87.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 69.85ms. Allocated memory is still 176.2MB. Free memory was 87.8MB in the beginning and 84.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:59:37,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e1311c-f269-4ad8-8ea5-0b9b83487ba0/bin/ukojak-pZX7IvK2PQ/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