./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:55,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:56,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:57:56,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:56,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:56,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:56,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:56,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:56,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:56,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:56,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:56,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:56,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:56,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:56,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:56,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:56,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:56,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:56,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:56,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:56,073 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:56,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:56,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:56,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:56,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:56,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:56,076 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:56,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:56,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:56,078 INFO L153 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_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 [2023-11-11 23:57:56,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:56,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:56,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:56,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:56,534 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:56,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-11 23:57:59,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:00,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:00,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-11 23:58:00,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data/c7fa9554b/01c44f0040194f25be54bb856735a7e8/FLAG259c730c0 [2023-11-11 23:58:00,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data/c7fa9554b/01c44f0040194f25be54bb856735a7e8 [2023-11-11 23:58:00,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:00,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:00,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:00,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:00,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:00,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af81f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00, skipping insertion in model container [2023-11-11 23:58:00,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:00,388 WARN L240 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_889f9872-01e2-45b7-9dee-97a1d22e177b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-11 23:58:00,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:00,455 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:00,470 WARN L240 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_889f9872-01e2-45b7-9dee-97a1d22e177b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-11 23:58:00,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:00,525 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:00,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00 WrapperNode [2023-11-11 23:58:00,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:00,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:00,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:00,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:00,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,585 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 135 [2023-11-11 23:58:00,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:00,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:00,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:00,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:00,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:00,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:00,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:00,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:00,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:00" (1/1) ... [2023-11-11 23:58:00,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:00,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:00,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:00,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:00,792 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:00,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:01,122 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:01,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:01,506 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:58:01,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:01 BoogieIcfgContainer [2023-11-11 23:58:01,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:01,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:01,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:01,530 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:01,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:01" (1/1) ... [2023-11-11 23:58:01,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:58:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:58:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:58:01,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:02,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:58:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:02,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:58:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:02,698 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:58:02,745 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:58:02,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:58:02 ImpRootNode [2023-11-11 23:58:02,755 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:58:02,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:58:02,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:58:02,759 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:58:02,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:01" (3/4) ... [2023-11-11 23:58:02,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:58:02,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:58:02,764 INFO L158 Benchmark]: Toolchain (without parser) took 2583.37ms. Allocated memory is still 180.4MB. Free memory was 152.5MB in the beginning and 75.7MB in the end (delta: 76.8MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:02,765 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 103.9MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:02,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.16ms. Allocated memory is still 180.4MB. Free memory was 152.3MB in the beginning and 144.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-11 23:58:02,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.93ms. Allocated memory is still 180.4MB. Free memory was 144.7MB in the beginning and 141.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:02,767 INFO L158 Benchmark]: Boogie Preprocessor took 35.33ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 140.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:02,768 INFO L158 Benchmark]: RCFGBuilder took 889.79ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 116.3MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:02,769 INFO L158 Benchmark]: CodeCheck took 1238.83ms. Allocated memory is still 180.4MB. Free memory was 116.3MB in the beginning and 76.5MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:02,769 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 180.4MB. Free memory was 76.5MB in the beginning and 75.7MB in the end (delta: 823.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:02,774 INFO L338 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 71, overapproximation of bitwiseAnd at line 58. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 20); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (20 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_4 var_5 = 100; [L36] const SORT_8 var_10 = 100; [L37] const SORT_8 var_13 = 200; [L38] const SORT_1 var_18 = 1; [L39] const SORT_4 var_22 = 200; [L41] SORT_1 input_2; [L42] SORT_1 input_3; [L44] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L44] SORT_4 state_6 = __VERIFIER_nondet_uint() & mask_SORT_4; [L45] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L45] SORT_4 state_23 = __VERIFIER_nondet_uint() & mask_SORT_4; [L47] SORT_4 init_7_arg_1 = var_5; [L48] state_6 = init_7_arg_1 [L49] SORT_4 init_24_arg_1 = var_22; [L50] state_23 = init_24_arg_1 VAL [init_24_arg_1=200, init_7_arg_1=100, mask_SORT_1=1, mask_SORT_4=1048575, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=524288, msb_SORT_8=2147483648, state_23=200, state_6=100, var_10=100, var_13=200, var_18=1, var_22=200, var_5=100] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_3 = __VERIFIER_nondet_uchar() [L57] SORT_4 var_9_arg_0 = state_6; [L58] EXPR var_9_arg_0 & mask_SORT_4 [L58] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 [L59] SORT_8 var_9 = var_9_arg_0; [L60] SORT_8 var_11_arg_0 = var_9; [L61] SORT_8 var_11_arg_1 = var_10; [L62] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L63] SORT_4 var_12_arg_0 = state_6; [L64] EXPR var_12_arg_0 & mask_SORT_4 [L64] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 [L65] SORT_8 var_12 = var_12_arg_0; [L66] SORT_8 var_14_arg_0 = var_12; [L67] SORT_8 var_14_arg_1 = var_13; [L68] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L69] SORT_1 var_15_arg_0 = var_11; [L70] SORT_1 var_15_arg_1 = var_14; [L71] EXPR var_15_arg_0 | var_15_arg_1 [L71] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L72] SORT_1 var_19_arg_0 = var_15; [L73] SORT_1 var_19 = ~var_19_arg_0; [L74] SORT_1 var_20_arg_0 = var_18; [L75] SORT_1 var_20_arg_1 = var_19; [L76] EXPR var_20_arg_0 & var_20_arg_1 [L76] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L77] EXPR var_20 & mask_SORT_1 [L77] var_20 = var_20 & mask_SORT_1 [L78] SORT_1 bad_21_arg_0 = var_20; [L79] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 103.9MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.16ms. Allocated memory is still 180.4MB. Free memory was 152.3MB in the beginning and 144.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.93ms. Allocated memory is still 180.4MB. Free memory was 144.7MB in the beginning and 141.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.33ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 140.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 889.79ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 116.3MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1238.83ms. Allocated memory is still 180.4MB. Free memory was 116.3MB in the beginning and 76.5MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 180.4MB. Free memory was 76.5MB in the beginning and 75.7MB in the end (delta: 823.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:58:02,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:05,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:06,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:58:06,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:06,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:06,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:06,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:06,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:06,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:06,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:06,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:06,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:06,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:06,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:06,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:58:06,211 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:58:06,211 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:58:06,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:06,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:06,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:06,215 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:06,216 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:58:06,217 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:06,217 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:06,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:06,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:06,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:06,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:06,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:06,221 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:58:06,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:06,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:06,223 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:58:06,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:06,224 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 [2023-11-11 23:58:06,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:06,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:06,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:06,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:06,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:06,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-11 23:58:10,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:10,476 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:10,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-11 23:58:10,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data/0d73cfe53/775f8efec32244c3b868d6aae36d6fb7/FLAG867d454af [2023-11-11 23:58:10,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/data/0d73cfe53/775f8efec32244c3b868d6aae36d6fb7 [2023-11-11 23:58:10,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:10,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:10,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:10,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:10,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:10,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:10,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f1e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10, skipping insertion in model container [2023-11-11 23:58:10,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:10,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:10,741 WARN L240 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_889f9872-01e2-45b7-9dee-97a1d22e177b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-11 23:58:10,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:10,834 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:10,857 WARN L240 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_889f9872-01e2-45b7-9dee-97a1d22e177b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-11 23:58:10,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:10,923 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:10,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10 WrapperNode [2023-11-11 23:58:10,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:10,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:10,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:10,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:10,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:10,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:10,991 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2023-11-11 23:58:10,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:10,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:10,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:10,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:11,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:11,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:11,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:11,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:11,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:10" (1/1) ... [2023-11-11 23:58:11,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:11,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:11,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:11,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:58:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:11,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:11,305 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:11,307 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:11,576 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:11,615 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:11,616 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:58:11,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:11 BoogieIcfgContainer [2023-11-11 23:58:11,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:11,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:11,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:11,633 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:11,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:11" (1/1) ... [2023-11-11 23:58:11,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:11,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:58:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:58:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:58:11,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:11,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:11,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:11,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:11,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:58:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:11,922 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:11,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:58:11,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:12,456 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:12,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:58:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:58:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:58:12,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:12,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:12,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:12,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:12,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:58:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:12,684 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:12,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-11 23:58:12,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:13,109 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:13,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:13,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-11 23:58:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-11 23:58:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:58:13,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:13,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:13,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:13,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:13,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:58:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:13,950 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:14,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-11 23:58:14,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:58:14,417 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:14,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-11-11 23:58:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-11-11 23:58:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:58:15,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:15,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:15,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:15,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:15,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:58:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:15,662 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:15,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-11 23:58:15,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:58:16,008 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:16,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-11 23:58:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-11 23:58:16,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:58:16,439 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-11 23:58:16,448 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-11 23:58:16,561 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-11 23:58:16,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:58:16 ImpRootNode [2023-11-11 23:58:16,569 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:58:16,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:58:16,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:58:16,570 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:58:16,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:11" (3/4) ... [2023-11-11 23:58:16,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:58:16,584 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-11 23:58:16,585 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:58:16,586 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:58:16,586 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:58:16,701 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:58:16,701 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:58:16,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:58:16,702 INFO L158 Benchmark]: Toolchain (without parser) took 6194.36ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 81.0MB in the beginning and 88.5MB in the end (delta: -7.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-11 23:58:16,703 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:16,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.70ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:58:16,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 67.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:16,704 INFO L158 Benchmark]: Boogie Preprocessor took 61.68ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:16,705 INFO L158 Benchmark]: RCFGBuilder took 564.66ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 77.5MB in the end (delta: -11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:16,705 INFO L158 Benchmark]: CodeCheck took 4949.00ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 77.5MB in the beginning and 93.7MB in the end (delta: -16.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:16,706 INFO L158 Benchmark]: Witness Printer took 131.67ms. Allocated memory is still 125.8MB. Free memory was 93.7MB in the beginning and 88.5MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:16,708 INFO L338 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 4 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 269 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 99 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 4/24 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: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((((((1 == mask_SORT_1) && (200 == var_13)) && (100 == var_10)) && (100 == state_6)) && (1048575 == mask_SORT_4)) && (200 == state_23)) || ((((((1 == mask_SORT_1) && (200 == state_6)) && (200 == var_13)) && (100 == var_10)) && (1048575 == mask_SORT_4)) && (100 == state_23))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.70ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 67.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.68ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.66ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 77.5MB in the end (delta: -11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4949.00ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 77.5MB in the beginning and 93.7MB in the end (delta: -16.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 131.67ms. Allocated memory is still 125.8MB. Free memory was 93.7MB in the beginning and 88.5MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:58:16,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9872-01e2-45b7-9dee-97a1d22e177b/bin/ukojak-verify-0OAaufAVZV/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