./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/parity.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm --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 32bit --witnessprinter.graph.data.programhash d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:06:00,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:06:00,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:06:00,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:06:00,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:06:00,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:06:00,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:06:00,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:06:00,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:06:00,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:06:00,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:06:00,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:06:00,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:06:00,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:06:00,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:06:00,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:06:00,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:06:00,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:06:00,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:06:00,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:06:00,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:06:00,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:06:00,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:06:00,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:06:00,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:06:00,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:06:00,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:06:00,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:00,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:06:00,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:06:00,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:06:00,384 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:06:00,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:06:00,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2024-11-13 22:06:00,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:06:00,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:06:00,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:06:00,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:06:00,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:06:00,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/parity.i Unable to find full path for "g++" [2024-11-13 22:06:02,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:06:02,975 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:06:02,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/sv-benchmarks/c/bitvector/parity.i [2024-11-13 22:06:02,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data/1053a449e/ee401aadb79641259d17b12cf5f5ab72/FLAGcab02252e [2024-11-13 22:06:02,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data/1053a449e/ee401aadb79641259d17b12cf5f5ab72 [2024-11-13 22:06:02,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:06:02,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:06:03,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:03,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:06:03,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:06:03,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:02" (1/1) ... [2024-11-13 22:06:03,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735415cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03, skipping insertion in model container [2024-11-13 22:06:03,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:02" (1/1) ... [2024-11-13 22:06:03,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:06:03,201 WARN L250 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_d5e08249-4189-437c-adcf-1c8a14835145/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-13 22:06:03,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:03,240 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:06:03,254 WARN L250 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_d5e08249-4189-437c-adcf-1c8a14835145/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-13 22:06:03,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:03,285 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:06:03,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03 WrapperNode [2024-11-13 22:06:03,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:03,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:03,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:06:03,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:06:03,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,321 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-13 22:06:03,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:03,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:06:03,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:06:03,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:06:03,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:06:03,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:06:03,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:06:03,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:06:03,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:03,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:06:03,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:06:03,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:06:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:06:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:06:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:06:03,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:06:03,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:06:03,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:06:03,690 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 22:06:03,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:06:03,918 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:06:03,919 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:06:03,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:03 BoogieIcfgContainer [2024-11-13 22:06:03,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:06:03,920 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:06:03,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:06:03,931 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:06:03,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:03" (1/1) ... [2024-11-13 22:06:03,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:06:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:06:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:06:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:06:03,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:04,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:06:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:06:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:06:05,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:05,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:06:05,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:06:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:06:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:06:05,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:06:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:06:05,491 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:06:05,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:06:05 ImpRootNode [2024-11-13 22:06:05,517 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:06:05,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:06:05,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:06:05,521 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:06:05,521 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:03" (3/4) ... [2024-11-13 22:06:05,524 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:06:05,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:06:05,525 INFO L158 Benchmark]: Toolchain (without parser) took 2525.94ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 51.9MB in the end (delta: 40.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-13 22:06:05,526 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:05,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.75ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:06:05,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.53ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:05,531 INFO L158 Benchmark]: Boogie Preprocessor took 29.53ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.1MB in the end (delta: 670.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:05,531 INFO L158 Benchmark]: RCFGBuilder took 566.22ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 51.3MB in the end (delta: 27.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:06:05,532 INFO L158 Benchmark]: CodeCheck took 1597.73ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 51.9MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:05,533 INFO L158 Benchmark]: Witness Printer took 5.79ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:05,535 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: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 25]: 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 59, overapproximation of bitwiseAnd at line 61, overapproximation of bitwiseAnd at line 55. Possible FailurePath: [L42] unsigned int v = __VERIFIER_nondet_uint(); [L43] unsigned int v1; [L44] unsigned int v2; [L45] char parity1; [L46] char parity2; [L47] v1 = v [L48] parity1 = (char)0 VAL [parity1=0, v1=-8589934593, v=-8589934593] [L49] COND TRUE v1 != 0 [L50] COND TRUE parity1 == (char)0 [L51] parity1 = (char)1 [L55] EXPR v1 & (v1 - 1U) [L55] v1 = v1 & (v1 - 1U) [L49] COND FALSE !(v1 != 0) [L57] v2 = v [L58] parity2 = (char)0 [L59] EXPR v2 ^ (v2 >> 1u) [L59] v2 = v2 ^ (v2 >> 1u) [L60] EXPR v2 ^ (v2 >> 2u) [L60] v2 = v2 ^ (v2 >> 2u) [L61] EXPR v2 & 286331153U [L61] v2 = (v2 & 286331153U) * 286331153U [L62] COND TRUE ((v2 >> 28u) & 1u) == 0 [L63] parity2 = (char)0 [L67] CALL __VERIFIER_assert(parity1 == parity2) [L24] COND TRUE !(cond) [L25] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.75ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.53ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.53ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.1MB in the end (delta: 670.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.22ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 51.3MB in the end (delta: 27.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 1597.73ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 51.9MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.79ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:06:05,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm --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 32bit --witnessprinter.graph.data.programhash d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:06:08,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:06:08,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:06:08,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:06:08,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:06:08,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:06:08,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:06:08,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:06:08,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:06:08,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:06:08,170 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:06:08,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:06:08,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:06:08,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:06:08,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:06:08,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:08,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:06:08,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:08,174 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:06:08,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2024-11-13 22:06:08,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:06:08,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:06:08,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:06:08,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:06:08,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:06:08,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/parity.i Unable to find full path for "g++" [2024-11-13 22:06:10,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:06:10,762 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:06:10,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/sv-benchmarks/c/bitvector/parity.i [2024-11-13 22:06:10,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data/eba4a3221/7bd23e804b6a48bab8a0410c67757af6/FLAGde32150e5 [2024-11-13 22:06:11,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/data/eba4a3221/7bd23e804b6a48bab8a0410c67757af6 [2024-11-13 22:06:11,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:06:11,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:06:11,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:11,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:06:11,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:06:11,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b369d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11, skipping insertion in model container [2024-11-13 22:06:11,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:06:11,303 WARN L250 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_d5e08249-4189-437c-adcf-1c8a14835145/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-13 22:06:11,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:11,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:06:11,371 WARN L250 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_d5e08249-4189-437c-adcf-1c8a14835145/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-13 22:06:11,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:11,407 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:06:11,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11 WrapperNode [2024-11-13 22:06:11,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:11,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:11,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:06:11,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:06:11,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,446 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-13 22:06:11,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:11,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:06:11,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:06:11,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:06:11,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:06:11,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:06:11,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:06:11,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:06:11,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:11" (1/1) ... [2024-11-13 22:06:11,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:11,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:06:11,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:06:11,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:06:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:06:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:06:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:06:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:06:11,672 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:06:11,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:06:11,894 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 22:06:11,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:06:12,007 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:06:12,008 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:06:12,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:12 BoogieIcfgContainer [2024-11-13 22:06:12,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:06:12,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:06:12,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:06:12,022 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:06:12,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:12" (1/1) ... [2024-11-13 22:06:12,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:06:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:06:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:06:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:06:12,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:12,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:12,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:12,110 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:12,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:06:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:12,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:12,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:06:12,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:12,405 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:06:12,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:06:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 22:06:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 22:06:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:06:12,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:12,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:12,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:12,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:12,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:06:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:12,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:12,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:06:12,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:12,941 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:06:12,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2024-11-13 22:06:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2024-11-13 22:06:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:06:13,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:13,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:13,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:13,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:13,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:06:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:13,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:13,335 WARN L253 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:06:13,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:13,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:06:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2024-11-13 22:06:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2024-11-13 22:06:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:06:14,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:14,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:14,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:14,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:14,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:06:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:14,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:14,227 WARN L253 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:06:14,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:14,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:06:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2024-11-13 22:06:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2024-11-13 22:06:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:06:15,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:15,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:15,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:15,494 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:15,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:06:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:15,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:15,691 WARN L253 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:06:15,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:16,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:16,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:06:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2024-11-13 22:06:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2024-11-13 22:06:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:06:17,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:17,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:17,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:17,172 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:17,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:06:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:17,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:17,478 WARN L253 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:17,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:18,801 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:06:18,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:06:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2024-11-13 22:06:20,099 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2024-11-13 22:06:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:06:20,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:20,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:20,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:20,104 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:06:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:20,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:20,371 WARN L253 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:06:20,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:21,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:06:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 15 states and 30 transitions. [2024-11-13 22:06:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 30 transitions. [2024-11-13 22:06:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:06:23,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:23,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:23,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:23,042 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:23,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:06:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:23,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:23,353 WARN L253 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:06:23,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:25,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 16 states and 33 transitions. [2024-11-13 22:06:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 33 transitions. [2024-11-13 22:06:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:06:27,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:27,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:27,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:27,125 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:27,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:06:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:27,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:27,627 WARN L253 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:06:27,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:29,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2024-11-13 22:06:32,040 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2024-11-13 22:06:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:06:32,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:32,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:32,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:32,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:32,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:06:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:32,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:32,575 WARN L253 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:06:32,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:35,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:06:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2024-11-13 22:06:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2024-11-13 22:06:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:06:38,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:38,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:38,694 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:06:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:38,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:39,391 WARN L253 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 22:06:39,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:44,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:48,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 19 states and 42 transitions. [2024-11-13 22:06:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 42 transitions. [2024-11-13 22:06:48,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:06:48,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:48,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:48,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:48,093 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:48,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:06:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:48,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:48,768 WARN L253 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:06:48,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:56,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:07:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 20 states and 45 transitions. [2024-11-13 22:07:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 45 transitions. [2024-11-13 22:07:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:07:02,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:02,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:02,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:02,298 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:02,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:07:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:02,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:02,989 WARN L253 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:07:02,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:10,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 22:07:17,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 21 states and 48 transitions. [2024-11-13 22:07:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 48 transitions. [2024-11-13 22:07:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:07:18,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:18,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:18,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:18,413 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:18,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:07:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:18,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:19,391 WARN L253 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:07:19,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:32,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:07:42,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:42,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 22 states and 51 transitions. [2024-11-13 22:07:42,848 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 51 transitions. [2024-11-13 22:07:42,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:07:42,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:42,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:42,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:42,852 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:42,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:07:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:43,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:44,061 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 22:07:44,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:56,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 22:08:06,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:08:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 23 states and 54 transitions. [2024-11-13 22:08:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 54 transitions. [2024-11-13 22:08:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:08:07,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:07,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:07,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:08:07,569 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:08:07,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:08:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:07,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:08:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:08,767 WARN L253 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 22:08:08,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:24,620 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:08:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:08:32,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:08:46,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:08:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 24 states and 57 transitions. [2024-11-13 22:08:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 57 transitions. [2024-11-13 22:08:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:08:47,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:47,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:47,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:08:47,428 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:08:47,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:08:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:47,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:08:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:48,437 WARN L253 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:08:48,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:12,728 WARN L286 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:09:17,857 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:09:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:22,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 22:09:43,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 25 states and 60 transitions. [2024-11-13 22:09:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 60 transitions. [2024-11-13 22:09:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:09:44,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:44,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:44,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:44,272 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:44,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:09:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:44,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:45,551 WARN L253 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 22:09:45,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:13,170 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:10:24,084 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:24,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:10:53,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.01s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 26 states and 63 transitions. [2024-11-13 22:10:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 63 transitions. [2024-11-13 22:10:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:10:55,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:55,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:55,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:55,117 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:55,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:10:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:55,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:56,461 WARN L253 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 22:10:56,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:21,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:11:50,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 27 states and 66 transitions. [2024-11-13 22:11:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 66 transitions. [2024-11-13 22:11:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:11:52,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:52,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:52,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:52,204 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:52,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:11:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:52,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:53,344 WARN L253 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 22:11:53,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:33,351 WARN L286 SmtUtils]: Spent 13.41s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:12:40,948 WARN L286 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:12:48,777 WARN L286 SmtUtils]: Spent 7.83s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:12:55,415 WARN L286 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:12:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:12:55,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:13:33,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 28 states and 69 transitions. [2024-11-13 22:13:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 69 transitions. [2024-11-13 22:13:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:13:36,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:36,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:36,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:36,749 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:36,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:13:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:37,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:38,156 WARN L253 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 22:13:38,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:28,651 WARN L286 SmtUtils]: Spent 12.92s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:14:34,699 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:14:41,374 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:14:47,498 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:14:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:48,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 22:15:43,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:15:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 29 states and 72 transitions. [2024-11-13 22:15:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 72 transitions. [2024-11-13 22:15:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:15:46,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:46,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:46,200 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:46,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:15:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:46,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:47,828 WARN L253 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 22:15:47,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:59,971 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:17:16,300 WARN L286 SmtUtils]: Spent 16.33s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:17:24,515 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:17:34,809 WARN L286 SmtUtils]: Spent 10.29s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:17:35,684 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:35,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 22:18:32,968 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:18:50,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:18:54,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:18:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 30 states and 75 transitions. [2024-11-13 22:18:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 75 transitions. [2024-11-13 22:18:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:18:54,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:54,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:54,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:18:54,635 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:18:54,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:18:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:54,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:18:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:55,953 WARN L253 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 22:18:55,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:11,227 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:20:21,255 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:20:41,281 WARN L286 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:20:51,335 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:21:11,075 WARN L286 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:21:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:11,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e08249-4189-437c-adcf-1c8a14835145/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0