./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1a2c18f59baead1d109170e3bc1aa0d58cc7f788c3fc781fbbe1fe40f9367554 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:50,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:50,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 23:10:50,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:50,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:50,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:50,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:50,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:50,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:50,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:50,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:50,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:50,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:50,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:50,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:50,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:50,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:50,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:50,394 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:50,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:50,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:50,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:50,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:50,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:50,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:50,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:50,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:50,399 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:50,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:50,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:50,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a2c18f59baead1d109170e3bc1aa0d58cc7f788c3fc781fbbe1fe40f9367554 [2023-11-24 23:10:50,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:50,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:50,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:50,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:50,788 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:50,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c [2023-11-24 23:10:53,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:54,135 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:54,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c [2023-11-24 23:10:54,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data/3b8a397ca/31cbb1f8a59b488e83d0bbcc7a7ea230/FLAG3d245512a [2023-11-24 23:10:54,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data/3b8a397ca/31cbb1f8a59b488e83d0bbcc7a7ea230 [2023-11-24 23:10:54,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:54,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:54,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:54,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:54,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:54,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26aab923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54, skipping insertion in model container [2023-11-24 23:10:54,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:54,414 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c[1249,1262] [2023-11-24 23:10:54,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:54,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:54,505 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c[1249,1262] [2023-11-24 23:10:54,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:54,557 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:54,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54 WrapperNode [2023-11-24 23:10:54,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:54,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:54,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:54,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:54,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,634 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2023-11-24 23:10:54,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:54,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:54,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:54,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:54,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:54,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:54,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:54,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:54,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:54" (1/1) ... [2023-11-24 23:10:54,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:54,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:54,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:54,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:54,857 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:54,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:55,236 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:55,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:55,413 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:10:55,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:55 BoogieIcfgContainer [2023-11-24 23:10:55,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:55,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:55,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:55,427 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:55,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 23:10:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 23:10:55,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:10:55,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:55,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:55,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:55,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:55,927 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:10:55,954 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 23:10:55,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:55 ImpRootNode [2023-11-24 23:10:55,961 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:55,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:55,964 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:55,965 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:55,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:55" (3/4) ... [2023-11-24 23:10:55,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:55,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:55,972 INFO L158 Benchmark]: Toolchain (without parser) took 1809.98ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 95.5MB in the end (delta: 6.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-24 23:10:55,974 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory was 113.9MB in the beginning and 113.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:55,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.19ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 89.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:10:55,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.24ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 86.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:55,977 INFO L158 Benchmark]: Boogie Preprocessor took 51.07ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:55,980 INFO L158 Benchmark]: RCFGBuilder took 728.25ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 53.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:10:55,982 INFO L158 Benchmark]: CodeCheck took 545.76ms. Allocated memory is still 138.4MB. Free memory was 53.1MB in the beginning and 96.0MB in the end (delta: -42.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:55,983 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 138.4MB. Free memory was 96.0MB in the beginning and 95.5MB in the end (delta: 472.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:55,994 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 47. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_4 var_5 = 1; [L33] const SORT_4 var_8 = 15; [L34] const SORT_1 var_12 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L39] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L41] SORT_4 init_7_arg_1 = var_5; [L42] state_6 = init_7_arg_1 VAL [init_7_arg_1=1, mask_SORT_1=1, mask_SORT_4=15, msb_SORT_1=1, msb_SORT_4=8, state_6=1, var_12=1, var_5=1, var_8=15] [L45] input_2 = __VERIFIER_nondet_uchar() [L46] input_3 = __VERIFIER_nondet_uchar() [L47] EXPR input_3 & mask_SORT_1 [L47] input_3 = input_3 & mask_SORT_1 [L50] SORT_4 var_9_arg_0 = state_6; [L51] SORT_4 var_9_arg_1 = var_8; [L52] SORT_1 var_9 = var_9_arg_0 != var_9_arg_1; [L53] SORT_1 var_13_arg_0 = var_9; [L54] SORT_1 var_13 = ~var_13_arg_0; [L55] SORT_1 var_14_arg_0 = var_12; [L56] SORT_1 var_14_arg_1 = var_13; [L57] EXPR var_14_arg_0 & var_14_arg_1 [L57] SORT_1 var_14 = var_14_arg_0 & var_14_arg_1; [L58] EXPR var_14 & mask_SORT_1 [L58] var_14 = var_14 & mask_SORT_1 [L59] SORT_1 bad_15_arg_0 = var_14; [L60] CALL __VERIFIER_assert(!(bad_15_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory was 113.9MB in the beginning and 113.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.19ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 89.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.24ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 86.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.07ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 728.25ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 53.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 545.76ms. Allocated memory is still 138.4MB. Free memory was 53.1MB in the beginning and 96.0MB in the end (delta: -42.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 138.4MB. Free memory was 96.0MB in the beginning and 95.5MB in the end (delta: 472.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:10:56,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1a2c18f59baead1d109170e3bc1aa0d58cc7f788c3fc781fbbe1fe40f9367554 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:58,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:58,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 23:10:58,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:58,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:58,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:58,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:58,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:58,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:58,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:58,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:58,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:58,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:59,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:59,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:10:59,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:10:59,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:10:59,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:59,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:59,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:59,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:59,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:59,007 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:59,008 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:59,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:59,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:59,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:59,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:59,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:59,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:10:59,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:59,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:59,013 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:10:59,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:59,014 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a2c18f59baead1d109170e3bc1aa0d58cc7f788c3fc781fbbe1fe40f9367554 [2023-11-24 23:10:59,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:59,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:59,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:59,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:59,523 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:59,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c [2023-11-24 23:11:02,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:02,988 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:02,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c [2023-11-24 23:11:02,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data/93d91f0b7/ba61fd9c38834462a99b55ee8a40e6b0/FLAG4a6fc7ca2 [2023-11-24 23:11:03,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/data/93d91f0b7/ba61fd9c38834462a99b55ee8a40e6b0 [2023-11-24 23:11:03,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:03,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:03,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:03,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:03,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:03,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e86aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03, skipping insertion in model container [2023-11-24 23:11:03,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:03,201 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c[1249,1262] [2023-11-24 23:11:03,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:03,245 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:03,266 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.counter_v.c[1249,1262] [2023-11-24 23:11:03,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:03,328 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:03,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03 WrapperNode [2023-11-24 23:11:03,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:03,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:03,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:03,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:03,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,395 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2023-11-24 23:11:03,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:03,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:03,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:03,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:03,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:03,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:03,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:03,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:03,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:03,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:03,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:03,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:11:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:03,706 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:03,708 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:03,912 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:03,958 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:03,965 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:03,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:03 BoogieIcfgContainer [2023-11-24 23:11:03,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:03,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:03,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:03,979 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:03,980 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:03" (1/1) ... [2023-11-24 23:11:03,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 23:11:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 23:11:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:04,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:04,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:04,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:04,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:11:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:11:04,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:04,597 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:04,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-24 23:11:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-24 23:11:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:04,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:04,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:04,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:04,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:11:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 23:11:04,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:05,483 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:05,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 23:11:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-24 23:11:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-24 23:11:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:11:06,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:06,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:06,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:06,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:06,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:11:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:06,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:06,189 WARN L260 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-24 23:11:06,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:07,262 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:07,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:09,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2023-11-24 23:11:09,161 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2023-11-24 23:11:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:09,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:09,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:09,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:09,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:09,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:11:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:09,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:09,383 WARN L260 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-24 23:11:09,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:10,513 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:10,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:12,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2023-11-24 23:11:12,248 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2023-11-24 23:11:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:12,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:12,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:12,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:12,252 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:12,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:11:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:12,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:12,436 WARN L260 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-24 23:11:12,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:13,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2023-11-24 23:11:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2023-11-24 23:11:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:13,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:13,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:13,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:13,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:13,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:11:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:13,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:13,699 WARN L260 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-24 23:11:13,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:14,983 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:14,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:17,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2023-11-24 23:11:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2023-11-24 23:11:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:17,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:17,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:17,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:17,158 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:17,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:11:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,386 WARN L260 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 109 conjunts are in the unsatisfiable core [2023-11-24 23:11:17,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:19,031 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:19,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2023-11-24 23:11:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2023-11-24 23:11:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:21,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:21,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:21,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:21,556 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:21,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 23:11:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:21,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:21,789 WARN L260 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 109 conjunts are in the unsatisfiable core [2023-11-24 23:11:21,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:22,836 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:22,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2023-11-24 23:11:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2023-11-24 23:11:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:23,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:23,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:23,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:23,220 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:23,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 23:11:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:23,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:23,500 WARN L260 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 126 conjunts are in the unsatisfiable core [2023-11-24 23:11:23,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:25,170 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:25,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:28,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2023-11-24 23:11:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2023-11-24 23:11:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:11:28,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:28,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:28,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:28,030 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:28,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 23:11:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:28,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:28,422 WARN L260 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 164 conjunts are in the unsatisfiable core [2023-11-24 23:11:28,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:31,005 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:31,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-11-24 23:11:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-11-24 23:11:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:11:34,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:34,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:34,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:34,561 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:34,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-24 23:11:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:34,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:34,946 WARN L260 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 157 conjunts are in the unsatisfiable core [2023-11-24 23:11:34,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:36,724 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:36,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 99 transitions. [2023-11-24 23:11:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 99 transitions. [2023-11-24 23:11:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:11:37,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:37,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:37,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:37,261 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:37,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-24 23:11:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:37,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:37,908 WARN L260 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 163 conjunts are in the unsatisfiable core [2023-11-24 23:11:37,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:40,613 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:40,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2035ea-a36c-4971-a447-2f9770cf03ba/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0