./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9 --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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:38:22,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:38:22,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:38:22,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:38:22,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:38:22,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:38:22,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:38:22,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:38:22,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:38:22,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:38:22,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:38:22,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:38:22,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:38:22,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:38:22,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:38:22,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:38:22,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:38:22,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:38:22,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:38:22,255 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:38:22,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:38:22,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:38:22,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:38:22,257 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:38:22,257 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:38:22,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:38:22,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:38:22,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:38:22,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:38:22,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:38:22,260 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:38:22,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:38:22,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:38:22,260 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_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2023-12-02 23:38:22,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:38:22,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:38:22,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:38:22,505 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:38:22,505 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:38:22,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2023-12-02 23:38:25,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:38:25,523 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:38:25,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2023-12-02 23:38:25,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data/62aa2f689/e4adba1a192441e39089760dd7305c39/FLAG139d13054 [2023-12-02 23:38:25,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data/62aa2f689/e4adba1a192441e39089760dd7305c39 [2023-12-02 23:38:25,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:38:25,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:38:25,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:38:25,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:38:25,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:38:25,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:38:25" (1/1) ... [2023-12-02 23:38:25,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f824a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:25, skipping insertion in model container [2023-12-02 23:38:25,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:38:25" (1/1) ... [2023-12-02 23:38:25,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:38:26,099 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_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i[37435,37448] [2023-12-02 23:38:26,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:38:26,199 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:38:26,233 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_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i[37435,37448] [2023-12-02 23:38:26,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:38:26,321 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:38:26,328 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:38:26,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26 WrapperNode [2023-12-02 23:38:26,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:38:26,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:38:26,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:38:26,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:38:26,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,429 INFO L138 Inliner]: procedures = 207, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1184 [2023-12-02 23:38:26,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:38:26,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:38:26,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:38:26,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:38:26,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:38:26,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:38:26,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:38:26,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:38:26,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:26" (1/1) ... [2023-12-02 23:38:26,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:38:26,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:38:26,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:38:26,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:38:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:38:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:38:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:38:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:38:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:38:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:38:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:38:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:38:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:38:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:38:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:38:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:38:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:38:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:38:26,809 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:38:26,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:38:27,913 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:38:29,249 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:38:29,249 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-02 23:38:29,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:38:29 BoogieIcfgContainer [2023-12-02 23:38:29,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:38:29,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:38:29,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:38:29,262 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:38:29,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:38:29" (1/1) ... [2023-12-02 23:38:29,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:38:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 173 transitions. [2023-12-02 23:38:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2023-12-02 23:38:29,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:38:29,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:29,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2023-12-02 23:38:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2023-12-02 23:38:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:38:29,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:29,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 102 states and 164 transitions. [2023-12-02 23:38:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-12-02 23:38:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:38:29,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:29,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 162 transitions. [2023-12-02 23:38:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2023-12-02 23:38:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:38:29,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:39,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2023-12-02 23:38:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2023-12-02 23:38:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:38:39,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:39,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 169 transitions. [2023-12-02 23:38:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2023-12-02 23:38:40,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:38:40,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:40,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:38:40,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2023-12-02 23:38:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2023-12-02 23:38:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:38:40,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:40,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:41,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:38:41,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 107 states and 163 transitions. [2023-12-02 23:38:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2023-12-02 23:38:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:38:41,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:41,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:41,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:38:41,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 107 states and 157 transitions. [2023-12-02 23:38:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2023-12-02 23:38:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:38:41,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:41,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:41,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:38:41,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:51,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 107 states and 151 transitions. [2023-12-02 23:38:51,569 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2023-12-02 23:38:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:38:51,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:51,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:51,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:38:51,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:02,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:12,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:22,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:32,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 120 states and 167 transitions. [2023-12-02 23:39:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2023-12-02 23:39:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:39:32,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:32,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:32,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:39:32,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 120 states and 165 transitions. [2023-12-02 23:39:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2023-12-02 23:39:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:39:32,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:32,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:32,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:39:32,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 120 states and 163 transitions. [2023-12-02 23:39:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2023-12-02 23:39:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:39:32,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:32,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:33,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:39:33,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:43,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 120 states and 161 transitions. [2023-12-02 23:39:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2023-12-02 23:39:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:39:43,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:43,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:39:43,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:39:53,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:04,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:14,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:24,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 123 states and 163 transitions. [2023-12-02 23:40:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 163 transitions. [2023-12-02 23:40:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:40:24,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:24,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:24,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:40:24,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:40:34,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:44,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:54,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:04,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:16,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:26,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:36,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:46,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 169 states and 223 transitions. [2023-12-02 23:41:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 223 transitions. [2023-12-02 23:41:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:41:46,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:46,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:46,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:41:46,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:41:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 169 states and 219 transitions. [2023-12-02 23:41:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 219 transitions. [2023-12-02 23:41:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:41:46,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:46,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:41:46,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:41:56,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 169 states and 217 transitions. [2023-12-02 23:41:56,875 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 217 transitions. [2023-12-02 23:41:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:41:56,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:57,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:41:57,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:42:07,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:17,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:27,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:37,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 152 states and 196 transitions. [2023-12-02 23:42:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2023-12-02 23:42:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:42:37,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:37,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:37,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:42:37,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:42:47,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:58,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:08,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:18,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 155 states and 198 transitions. [2023-12-02 23:43:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 198 transitions. [2023-12-02 23:43:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:43:18,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:18,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:18,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:18,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:43:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 155 states and 196 transitions. [2023-12-02 23:43:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2023-12-02 23:43:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:43:18,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:18,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:43:29,004 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:43:29,008 INFO L158 Benchmark]: Toolchain (without parser) took 303445.73ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 120.4MB in the beginning and 165.9MB in the end (delta: -45.5MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2023-12-02 23:43:29,008 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:43:29,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.46ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 86.1MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 23:43:29,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.24ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 77.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:43:29,010 INFO L158 Benchmark]: Boogie Preprocessor took 109.01ms. Allocated memory is still 159.4MB. Free memory was 77.9MB in the beginning and 70.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:43:29,011 INFO L158 Benchmark]: RCFGBuilder took 2711.09ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 70.1MB in the beginning and 144.9MB in the end (delta: -74.8MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-12-02 23:43:29,012 INFO L158 Benchmark]: CodeCheck took 299754.88ms. Allocated memory was 192.9MB in the beginning and 237.0MB in the end (delta: 44.0MB). Free memory was 144.9MB in the beginning and 165.9MB in the end (delta: -20.9MB). Peak memory consumption was 142.5MB. Max. memory is 16.1GB. [2023-12-02 23:43:29,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.46ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 86.1MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.24ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 77.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.01ms. Allocated memory is still 159.4MB. Free memory was 77.9MB in the beginning and 70.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2711.09ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 70.1MB in the beginning and 144.9MB in the end (delta: -74.8MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * CodeCheck took 299754.88ms. Allocated memory was 192.9MB in the beginning and 237.0MB in the end (delta: 44.0MB). Free memory was 144.9MB in the beginning and 165.9MB in the end (delta: -20.9MB). Peak memory consumption was 142.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:43:29,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9 --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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:43:30,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:43:31,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:43:31,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:43:31,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:43:31,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:43:31,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:43:31,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:43:31,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:43:31,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:43:31,107 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:43:31,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:43:31,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:43:31,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:43:31,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:43:31,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:43:31,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:43:31,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:43:31,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:43:31,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:43:31,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:43:31,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:43:31,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:43:31,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:43:31,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:43:31,115 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:31,116 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:43:31,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:43:31,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:31,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:43:31,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:43:31,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:43:31,119 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:43:31,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:31,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:43:31,120 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:43:31,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:43:31,120 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_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2023-12-02 23:43:31,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:43:31,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:43:31,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:43:31,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:43:31,429 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:43:31,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2023-12-02 23:43:34,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:43:34,567 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:43:34,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2023-12-02 23:43:34,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data/bf085ca9c/6a9651f431444eed905ff9f9a0012fb6/FLAGc2e7ecfea [2023-12-02 23:43:34,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/data/bf085ca9c/6a9651f431444eed905ff9f9a0012fb6 [2023-12-02 23:43:34,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:43:34,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:43:34,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:34,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:43:34,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:43:34,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:34" (1/1) ... [2023-12-02 23:43:34,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601b7cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:34, skipping insertion in model container [2023-12-02 23:43:34,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:34" (1/1) ... [2023-12-02 23:43:34,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:43:35,086 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_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i[37435,37448] [2023-12-02 23:43:35,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:35,207 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:43:35,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:43:35,243 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_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i[37435,37448] [2023-12-02 23:43:35,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:35,309 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:43:35,354 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_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i[37435,37448] [2023-12-02 23:43:35,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:35,456 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:43:35,464 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:43:35,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35 WrapperNode [2023-12-02 23:43:35,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:35,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:35,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:43:35,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:43:35,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,552 INFO L138 Inliner]: procedures = 210, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 864 [2023-12-02 23:43:35,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:35,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:43:35,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:43:35,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:43:35,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:43:35,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:43:35,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:43:35,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:43:35,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:35" (1/1) ... [2023-12-02 23:43:35,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:35,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:43:35,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:43:35,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:43:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:43:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:43:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:43:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:43:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:43:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:43:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:43:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:43:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:43:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:43:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:43:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:43:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:43:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:43:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:43:35,916 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:43:35,918 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:43:51,442 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:43:51,818 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:43:51,819 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-02 23:43:51,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:51 BoogieIcfgContainer [2023-12-02 23:43:51,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:43:51,821 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:43:51,822 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:43:51,832 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:43:51,832 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:51,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:43:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 173 transitions. [2023-12-02 23:43:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2023-12-02 23:43:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:43:51,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:51,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:51,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:51,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:51,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:43:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:52,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:52,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2023-12-02 23:43:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2023-12-02 23:43:52,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:43:52,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:52,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:52,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:52,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:52,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:43:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:52,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:52,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:43:52,599 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:43:52,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 102 states and 164 transitions. [2023-12-02 23:43:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-12-02 23:43:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:43:52,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:52,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:52,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:52,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:52,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:43:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:52,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:53,005 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:43:53,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:43:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 162 transitions. [2023-12-02 23:43:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2023-12-02 23:43:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:43:53,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:53,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:53,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:53,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:53,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:43:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:53,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:53,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:43:53,373 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:43:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2023-12-02 23:43:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2023-12-02 23:43:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:43:53,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:53,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:53,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:53,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:53,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:43:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:43:53,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:54,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:43:54,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:43:54,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:43:54,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-02 23:43:54,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:43:54,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-02 23:43:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:54,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:43:55,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 169 transitions. [2023-12-02 23:43:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2023-12-02 23:43:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:43:55,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:55,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:55,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:55,228 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:55,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:43:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:55,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:55,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:55,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:55,722 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:43:55,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2023-12-02 23:43:55,734 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2023-12-02 23:43:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:43:55,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:55,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:55,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:55,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:55,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:43:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:56,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:56,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:56,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:56,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 107 states and 163 transitions. [2023-12-02 23:43:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2023-12-02 23:43:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:43:56,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:56,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:56,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:43:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:56,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:56,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:56,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:56,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:43:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 107 states and 157 transitions. [2023-12-02 23:43:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2023-12-02 23:43:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:43:56,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:56,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:56,801 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:56,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:43:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:57,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:57,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:57,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:57,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:59,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 107 states and 151 transitions. [2023-12-02 23:43:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2023-12-02 23:43:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:43:59,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:59,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:59,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:59,083 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:59,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:43:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:59,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:59,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:43:59,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:00,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:44:00,035 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:44:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 120 states and 167 transitions. [2023-12-02 23:44:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2023-12-02 23:44:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:44:01,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:01,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:01,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:01,611 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:01,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:44:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:02,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:02,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:02,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:02,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:44:02,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 120 states and 165 transitions. [2023-12-02 23:44:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2023-12-02 23:44:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:44:02,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:02,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:02,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:02,283 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:02,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:44:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:02,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:02,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:02,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:03,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:44:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:03,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 120 states and 163 transitions. [2023-12-02 23:44:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2023-12-02 23:44:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:44:03,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:03,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:03,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:03,015 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:03,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:44:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:03,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:03,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:03,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:03,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:44:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 120 states and 161 transitions. [2023-12-02 23:44:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2023-12-02 23:44:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:44:03,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:03,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:03,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:03,848 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:44:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:04,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:04,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:04,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:04,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:44:04,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 123 states and 163 transitions. [2023-12-02 23:44:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 163 transitions. [2023-12-02 23:44:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:44:04,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:04,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:04,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:04,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:04,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:44:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:05,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:44:06,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:44:17,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:27,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:37,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:47,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:50,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:51,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 169 states and 223 transitions. [2023-12-02 23:44:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 223 transitions. [2023-12-02 23:44:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:44:54,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:54,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:54,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:54,615 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:54,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:44:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:55,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:55,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:55,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:44:55,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:44:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:55,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 169 states and 221 transitions. [2023-12-02 23:44:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 221 transitions. [2023-12-02 23:44:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:44:55,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:55,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:55,847 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:55,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:44:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:56,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:44:56,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:44:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 169 states and 217 transitions. [2023-12-02 23:44:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 217 transitions. [2023-12-02 23:44:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:44:56,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:56,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:56,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:56,972 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:56,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:44:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:57,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:58,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:58,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:44:58,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:44:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 152 states and 196 transitions. [2023-12-02 23:44:58,389 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2023-12-02 23:44:58,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:44:58,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:58,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:58,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:58,391 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:58,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:44:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:59,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:59,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:59,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:44:59,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:44:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 155 states and 198 transitions. [2023-12-02 23:44:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 198 transitions. [2023-12-02 23:44:59,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:44:59,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:59,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:59,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:59,903 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:59,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:45:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:00,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:01,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:45:01,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:11,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 155 states and 196 transitions. [2023-12-02 23:45:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2023-12-02 23:45:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:11,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:11,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:11,152 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:11,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:45:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:12,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:12,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:13,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:13,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:13,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:13,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:13,084 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:13,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:45:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:14,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:14,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:45:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:14,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:14,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:14,540 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:14,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:45:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:15,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:15,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:45:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:15,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:15,991 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:15,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:15,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:15,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:15,993 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:15,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:45:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:17,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:17,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:45:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:17,548 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:17,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:17,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:17,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:17,550 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:17,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:45:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:18,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:18,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:18,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:19,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:45:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:19,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:19,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:19,019 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:19,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:45:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:20,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:20,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:45:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:20,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:20,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:20,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:20,579 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:20,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:45:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:21,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:22,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:22,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:22,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:45:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:22,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:22,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:22,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:22,115 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:22,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:45:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:23,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:23,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:23,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:23,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:45:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:23,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:23,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:23,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:23,830 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:23,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:45:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:25,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:25,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:25,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:25,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:45:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:25,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:25,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:25,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:25,549 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:25,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:45:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:26,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:27,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:27,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:27,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:27,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:27,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:27,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:27,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:27,283 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:27,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:45:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:28,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:29,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:29,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:29,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:29,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:29,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:29,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:29,234 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:29,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:45:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:30,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:30,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:30,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:30,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:45:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:30,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:30,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:30,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:30,984 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:30,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:45:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:32,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:32,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:32,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:32,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:32,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:32,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:32,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:32,832 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:32,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:45:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:34,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:34,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:34,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:34,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:45:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:34,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:34,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:34,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:34,733 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:34,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:45:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:36,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:36,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:36,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:36,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:36,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:36,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:36,715 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:36,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:45:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:38,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:38,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:38,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:38,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:45:38,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:38,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:38,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:38,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:38,723 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:38,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:45:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:40,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:40,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:40,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:40,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:45:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:40,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:40,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:40,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:40,685 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:40,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:45:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:42,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:42,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:42,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:42,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:45:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:42,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:42,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:42,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:42,727 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:42,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:45:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:44,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:44,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:44,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:44,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:45:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:44,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:44,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:44,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:44,766 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:44,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:45:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:46,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:46,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:46,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:46,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:45:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:46,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:46,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:46,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:46,995 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:46,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:45:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:48,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:48,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:48,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:49,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:45:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:49,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:49,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:49,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:49,042 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:49,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:45:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:50,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:50,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:50,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:50,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:45:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:50,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:50,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:50,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:50,967 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:50,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:45:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:52,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:53,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:53,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:53,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:45:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:53,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:53,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:53,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:53,144 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:53,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:45:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:55,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:55,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:45:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:55,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:55,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:55,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:55,497 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:55,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:45:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:57,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:57,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:57,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:57,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:45:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:45:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:45:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:45:57,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:57,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:57,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:57,885 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:57,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:45:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:59,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:00,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:00,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:00,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:46:00,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:00,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:00,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:00,176 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:00,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:46:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:02,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:02,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:02,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:02,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:02,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:02,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:02,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:02,728 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:02,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:46:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:04,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:05,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:05,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:05,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:46:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:05,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:05,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:05,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:05,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:05,255 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:05,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:46:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:07,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:07,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:07,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:07,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:07,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:07,658 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:07,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:07,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:07,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:07,660 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:07,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:46:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:09,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:10,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:10,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:10,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:10,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:10,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:10,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:10,268 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:10,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:46:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:12,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:12,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:12,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:12,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:46:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:12,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:12,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:12,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:12,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:12,809 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:12,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:46:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:14,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:15,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:15,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:15,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:46:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:15,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:15,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:15,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:15,339 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:15,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:46:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:17,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:17,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:46:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:17,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:17,953 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:17,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:17,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:17,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:17,955 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:17,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:46:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:20,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:20,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:20,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:20,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:20,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:20,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:20,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:20,601 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:20,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:46:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:22,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:23,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:23,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:23,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:46:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:23,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:23,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:23,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:23,326 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:23,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:46:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:25,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:26,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:26,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:26,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:46:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:26,169 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:26,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:26,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:26,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:26,171 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:26,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:46:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:28,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:28,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:28,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:28,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:46:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:28,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:28,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:28,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:28,818 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:28,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:46:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:31,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:31,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:31,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:31,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:46:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:31,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:31,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:31,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:31,706 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:31,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:46:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:34,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:34,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:34,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:34,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 23:46:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:34,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:34,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:34,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:34,825 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:46:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:37,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:37,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:37,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:37,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:46:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:37,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:37,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:37,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:37,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:37,800 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:37,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:46:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:40,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:40,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:40,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:40,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:46:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:40,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:40,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:40,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:40,839 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:40,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:46:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:43,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:44,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:46:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:44,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:44,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:44,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:44,022 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:44,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:46:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:46,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:47,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:47,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:47,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:46:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:47,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:47,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:47,146 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:47,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:46:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:49,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:50,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:50,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:50,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:46:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:50,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:50,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:50,386 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:50,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:46:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:53,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:53,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:53,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:53,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 23:46:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:53,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:53,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:53,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:53,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:53,652 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:53,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:46:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:56,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:56,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:56,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:56,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:46:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:56,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:56,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:56,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:56,834 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:56,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:46:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:59,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:59,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:59,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:59,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:46:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:46:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:46:59,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:46:59,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:59,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:59,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:59,795 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:59,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:47:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:02,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:02,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:02,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:02,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:02,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:02,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:02,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:02,859 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:02,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:47:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:05,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:06,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:06,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:06,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:47:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:06,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:06,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:06,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:06,174 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:06,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:47:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:08,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:09,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:09,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 23:47:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:09,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:09,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:09,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:09,347 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:09,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:47:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:12,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:12,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:12,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:12,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 23:47:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:12,632 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:12,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:12,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:12,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:12,633 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:12,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:47:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:15,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:15,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:15,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:15,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 23:47:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:15,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:15,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:15,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:15,889 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:15,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:47:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:18,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:19,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:19,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:19,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 23:47:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:19,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:19,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:19,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:19,235 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:19,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:47:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:22,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:22,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:22,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:22,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:47:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:22,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:22,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:22,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:22,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:22,575 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:22,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:47:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:25,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:26,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:26,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:26,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 23:47:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:26,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:26,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:26,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:26,254 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:26,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:47:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:29,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:29,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:29,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:29,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 23:47:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:29,951 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:29,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:29,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:29,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:29,952 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:29,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:47:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:33,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:33,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:33,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:33,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 23:47:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:33,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:33,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:33,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:33,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:33,728 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:33,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:47:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:36,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:37,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:37,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:37,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 23:47:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:37,457 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:37,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:37,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:37,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:37,459 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:37,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:47:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:40,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:41,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:41,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:41,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 23:47:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:41,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:41,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:41,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:41,181 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:41,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:47:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:44,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:44,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:44,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:44,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 23:47:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:44,875 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:44,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:44,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:44,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:44,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:44,877 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:44,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:47:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:48,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:48,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:48,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:48,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 23:47:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:48,802 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:48,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:48,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:48,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:48,804 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:48,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:47:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:52,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:52,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:47:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:52,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:52,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:52,798 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:52,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:47:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:56,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:56,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:56,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:47:56,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:47:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:47:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:47:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:47:56,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:56,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:56,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:56,770 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:56,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:48:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:00,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:00,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:00,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:00,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:00,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:48:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:00,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:00,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:00,663 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:00,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:48:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:04,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:04,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:04,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:04,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 23:48:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:04,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:04,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:04,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:04,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:04,834 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:04,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:48:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:08,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:08,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:08,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:08,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 23:48:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:08,938 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:08,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:08,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:08,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:08,940 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:08,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:48:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:12,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:13,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:13,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:13,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:13,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:13,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:13,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:13,332 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:13,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 23:48:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:17,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:17,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:17,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:17,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:17,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 23:48:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:17,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:17,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:17,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:17,469 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:17,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 23:48:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:20,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:21,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:21,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:21,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 23:48:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:21,220 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:21,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:21,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:21,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:21,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:21,222 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:21,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 23:48:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:25,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:25,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:25,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:25,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 23:48:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:25,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:25,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:25,621 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:25,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 23:48:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:29,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:29,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:29,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:29,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 23:48:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:29,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:29,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:29,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:29,993 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:29,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 23:48:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:33,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:34,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:34,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:34,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 23:48:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:34,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:34,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:34,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:34,220 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:34,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 23:48:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:38,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:38,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:38,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:38,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 23:48:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:38,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:38,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:38,617 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:38,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 23:48:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:42,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:43,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:43,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:43,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 23:48:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:43,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:43,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:43,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:43,241 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:43,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 23:48:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:47,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:47,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:47,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:47,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:47,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 23:48:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:47,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:47,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:47,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:47,738 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:47,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 23:48:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:51,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:52,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:52,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:52,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 23:48:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:52,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:52,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:52,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:52,147 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:52,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 23:48:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:55,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:56,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:56,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:56,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 23:48:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:48:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:48:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:48:56,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:56,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:56,417 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:56,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 23:49:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:00,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:00,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:00,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:00,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 23:49:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:00,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:00,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:00,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:00,849 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:00,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 23:49:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:04,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:05,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:05,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:05,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 23:49:05,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:05,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:05,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:05,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:05,248 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:05,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 23:49:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:09,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:10,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:10,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:10,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 23:49:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:10,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:10,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:10,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:10,214 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:10,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 23:49:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:14,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:14,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:14,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:14,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 23:49:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:14,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:14,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:14,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:14,913 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:14,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 23:49:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:19,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:19,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:19,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:19,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 23:49:19,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:19,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:19,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:19,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:19,531 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:19,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 23:49:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:23,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:23,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:23,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:23,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 23:49:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:23,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:23,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:23,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:23,818 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:23,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 23:49:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:27,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:28,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:28,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:28,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 23:49:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:28,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:28,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:28,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:28,371 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:28,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 23:49:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:32,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:33,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:33,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:33,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 23:49:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:33,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:33,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:33,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:33,153 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:33,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 23:49:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:37,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:38,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:38,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:38,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 23:49:38,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:38,162 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:38,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:38,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:38,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:38,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:38,164 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:38,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 23:49:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:42,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:43,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:43,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:43,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:43,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:43,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:43,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:43,350 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:43,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 23:49:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:47,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:48,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:48,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:48,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 23:49:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:48,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:48,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:48,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:48,184 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:48,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 23:49:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:52,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:53,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:53,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:53,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 23:49:53,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:53,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:53,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:53,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:53,200 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:53,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 23:49:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:57,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:58,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:49:58,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:58,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 23:49:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:49:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:49:58,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:49:58,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:58,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:58,490 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:58,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 23:50:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:03,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:03,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:03,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:03,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 23:50:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:03,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:03,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:03,602 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:03,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 23:50:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:08,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:08,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:08,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:08,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 23:50:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:09,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:09,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:09,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:09,005 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:09,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 23:50:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:13,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:14,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:14,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:14,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 23:50:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:14,109 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:14,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:14,111 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:14,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 23:50:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:18,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:18,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:18,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:19,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 23:50:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:19,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:19,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:19,044 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:19,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 23:50:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:23,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:23,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:23,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:24,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 23:50:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:24,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:24,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:24,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:24,046 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:24,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 23:50:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:28,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:29,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:29,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:29,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 23:50:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:29,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:29,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:29,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:29,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:29,127 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:29,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 23:50:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:33,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:34,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:34,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:34,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 23:50:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:34,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:34,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:34,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:34,085 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:34,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 23:50:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:39,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:39,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:39,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:39,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 23:50:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:39,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:39,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:39,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:39,553 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:39,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 23:50:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:44,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:45,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:45,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:45,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 23:50:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:45,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:45,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:45,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:45,194 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:45,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 23:50:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:49,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:50,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:50,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:50,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 23:50:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:50,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:50,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:50,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:50,279 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:50,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 23:50:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:55,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:56,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:56,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:56,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 23:50:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:50:56,296 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:50:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:50:56,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:56,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:56,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:56,298 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:56,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 23:51:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:01,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:01,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:01,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:01,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 23:51:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:01,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:01,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:01,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:01,906 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:01,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 23:51:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:07,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:07,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:07,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:07,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 23:51:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:07,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:07,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:07,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:07,703 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:07,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 23:51:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:12,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:12,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:12,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:12,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 23:51:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:13,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:13,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:13,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:13,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:13,002 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:13,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 23:51:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:18,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:18,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:18,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:18,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 23:51:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:18,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:18,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:18,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:18,538 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:18,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 23:51:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:23,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:24,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:24,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:24,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 23:51:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:24,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:24,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:24,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:24,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:24,394 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:24,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 23:51:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:29,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:30,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:30,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:30,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 23:51:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:30,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:30,465 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:30,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 23:51:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:35,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:36,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:36,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:36,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 23:51:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:36,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:36,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:36,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:36,316 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 23:51:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:41,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:42,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:42,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:42,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 23:51:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:42,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:42,101 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:42,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:42,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:42,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:42,103 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:42,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 23:51:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:47,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:48,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:48,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:48,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 23:51:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:48,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:48,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:48,352 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:48,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 23:51:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:53,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:54,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:54,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:54,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 23:51:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:51:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:51:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:51:54,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:54,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:54,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:54,188 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:54,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 23:51:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:59,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:00,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:00,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:00,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 23:52:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:52:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:52:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:52:00,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:00,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:00,454 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:00,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 23:52:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:06,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:06,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:06,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:06,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 23:52:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 193 transitions. [2023-12-02 23:52:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-02 23:52:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:52:06,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:06,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:06,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:06,666 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:06,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e66f2e9-6540-4c56-8863-4ea7ca43dda8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 23:52:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:12,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported