./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/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_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/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_92acdf0e-2305-4a52-af97-8643c1a23b3e/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 ae696ef581cbe995636ab4900ea04e2b993d78100fba8db2a87ca7d99c3a6d1e --- 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 18:24:21,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:24:21,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:24:21,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:24:21,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:24:21,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:24:21,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:24:21,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:24:21,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:24:21,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:24:21,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:24:21,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:24:21,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:24:21,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:24:21,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:24:21,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:24:21,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:24:21,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:24:21,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:24:21,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:24:21,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:24:21,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:24:21,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:24:21,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:24:21,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:24:21,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:24:21,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:24:21,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:24:21,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:24:21,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:24:21,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:24:21,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:24:21,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:24:21,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:24:21,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:24:21,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:24:21,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:24:21,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:24:21,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:24:21,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:24:21,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:24:21,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:24:21,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:24:21,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:24:21,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:24:21,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:24:21,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:24:21,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:24:21,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:24:21,655 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:24:21,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:24:21,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:24:21,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:24:21,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:24:21,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:24:21,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:24:21,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:24:21,658 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:24:21,659 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:24:21,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:24:21,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:24:21,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:24:21,660 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:24:21,660 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:24:21,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:24:21,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:24:21,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:24:21,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:24:21,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:24:21,662 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:24:21,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:24:21,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:24:21,663 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_92acdf0e-2305-4a52-af97-8643c1a23b3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae696ef581cbe995636ab4900ea04e2b993d78100fba8db2a87ca7d99c3a6d1e [2022-11-20 18:24:21,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:24:21,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:24:21,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:24:21,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:24:21,994 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:24:21,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2022-11-20 18:24:25,103 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:24:25,397 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:24:25,397 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2022-11-20 18:24:25,413 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/data/f3bd263e4/b6d2f38470474d4d8026fb2411c49c6a/FLAG09bc0c071 [2022-11-20 18:24:25,438 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/data/f3bd263e4/b6d2f38470474d4d8026fb2411c49c6a [2022-11-20 18:24:25,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:24:25,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:24:25,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:24:25,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:24:25,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:24:25,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fef718f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25, skipping insertion in model container [2022-11-20 18:24:25,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:24:25,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:24:25,710 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_92acdf0e-2305-4a52-af97-8643c1a23b3e/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37883,37896] [2022-11-20 18:24:25,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:25,726 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:24:25,780 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_92acdf0e-2305-4a52-af97-8643c1a23b3e/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37883,37896] [2022-11-20 18:24:25,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:25,796 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:24:25,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25 WrapperNode [2022-11-20 18:24:25,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:24:25,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:25,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:24:25,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:24:25,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,861 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 499 [2022-11-20 18:24:25,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:25,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:24:25,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:24:25,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:24:25,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,925 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:24:25,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:24:25,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:24:25,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:24:25,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:25" (1/1) ... [2022-11-20 18:24:25,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:24:25,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:24:25,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:24:25,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:24:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:24:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:24:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:24:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:24:26,161 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:24:26,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:24:26,196 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 18:24:26,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-11-20 18:24:26,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-11-20 18:24:26,851 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:24:27,155 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:24:27,156 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:24:27,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:27 BoogieIcfgContainer [2022-11-20 18:24:27,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:24:27,161 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:24:27,162 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:24:27,174 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:24:27,174 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:27" (1/1) ... [2022-11-20 18:24:27,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:24:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2022-11-20 18:24:27,233 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2022-11-20 18:24:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:24:27,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:27,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 88 states and 148 transitions. [2022-11-20 18:24:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 148 transitions. [2022-11-20 18:24:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:24:27,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:24:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 147 transitions. [2022-11-20 18:24:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2022-11-20 18:24:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:24:27,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:27,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:24:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions. [2022-11-20 18:24:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2022-11-20 18:24:27,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:24:27,988 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-20 18:24:28,001 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-20 18:24:28,068 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,073 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,073 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,073 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,074 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,074 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,074 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,077 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,077 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,078 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,078 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,078 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,078 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,078 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,079 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,079 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,079 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:24:28,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:24:28 ImpRootNode [2022-11-20 18:24:28,081 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:24:28,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:24:28,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:24:28,082 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:24:28,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:27" (3/4) ... [2022-11-20 18:24:28,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:24:28,113 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2022-11-20 18:24:28,117 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 18:24:28,118 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:24:28,118 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:24:28,261 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:24:28,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:24:28,263 INFO L158 Benchmark]: Toolchain (without parser) took 2820.16ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 116.8MB in the beginning and 92.2MB in the end (delta: 24.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-20 18:24:28,265 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:24:28,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.82ms. Allocated memory is still 148.9MB. Free memory was 116.8MB in the beginning and 101.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:24:28,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.70ms. Allocated memory is still 148.9MB. Free memory was 101.7MB in the beginning and 98.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:24:28,268 INFO L158 Benchmark]: Boogie Preprocessor took 69.61ms. Allocated memory is still 148.9MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:24:28,269 INFO L158 Benchmark]: RCFGBuilder took 1227.92ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 96.8MB in the beginning and 141.5MB in the end (delta: -44.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-11-20 18:24:28,269 INFO L158 Benchmark]: CodeCheck took 919.85ms. Allocated memory is still 188.7MB. Free memory was 140.4MB in the beginning and 99.5MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 18:24:28,269 INFO L158 Benchmark]: Witness Printer took 180.46ms. Allocated memory is still 188.7MB. Free memory was 99.5MB in the beginning and 92.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 18:24:28,271 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, 86 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 83 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.82ms. Allocated memory is still 148.9MB. Free memory was 116.8MB in the beginning and 101.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.70ms. Allocated memory is still 148.9MB. Free memory was 101.7MB in the beginning and 98.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.61ms. Allocated memory is still 148.9MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1227.92ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 96.8MB in the beginning and 141.5MB in the end (delta: -44.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * CodeCheck took 919.85ms. Allocated memory is still 188.7MB. Free memory was 140.4MB in the beginning and 99.5MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 180.46ms. Allocated memory is still 188.7MB. Free memory was 99.5MB in the beginning and 92.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:24:28,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92acdf0e-2305-4a52-af97-8643c1a23b3e/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