./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/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_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:05:05,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:05:05,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:05:05,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:05:05,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:05:05,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:05:05,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:05:05,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:05:05,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:05:05,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:05:05,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:05:05,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:05:05,542 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:05:05,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:05:05,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:05:05,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:05:05,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:05:05,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:05:05,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:05:05,546 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:05:05,546 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:05:05,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:05:05,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:05:05,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:05:05,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:05:05,550 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:05:05,550 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:05:05,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:05:05,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:05,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:05:05,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:05:05,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:05:05,553 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:05:05,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:05:05,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:05:05,554 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_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2023-12-03 01:05:05,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:05:05,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:05:05,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:05:05,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:05:05,786 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:05:05,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2023-12-03 01:05:08,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:05:08,869 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:05:08,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2023-12-03 01:05:08,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data/1d1ad65ce/22eaa7c57ff1465a957f529a23e7e0b1/FLAG30276ed10 [2023-12-03 01:05:08,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data/1d1ad65ce/22eaa7c57ff1465a957f529a23e7e0b1 [2023-12-03 01:05:08,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:05:08,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:05:08,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:08,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:05:08,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:05:08,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:08" (1/1) ... [2023-12-03 01:05:08,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7cc1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:08, skipping insertion in model container [2023-12-03 01:05:08,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:08" (1/1) ... [2023-12-03 01:05:08,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:05:09,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:09,408 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:05:09,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:09,515 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:05:09,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09 WrapperNode [2023-12-03 01:05:09,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:09,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:09,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:05:09,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:05:09,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,605 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 967 [2023-12-03 01:05:09,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:09,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:05:09,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:05:09,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:05:09,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:05:09,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:05:09,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:05:09,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:05:09,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:09" (1/1) ... [2023-12-03 01:05:09,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:09,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:05:09,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:05:09,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:05:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:05:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:05:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:05:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:05:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:05:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:05:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:05:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:05:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:05:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:05:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:05:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:05:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:05:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:05:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:05:09,991 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:05:09,994 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:05:10,976 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:05:11,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:05:11,879 INFO L309 CfgBuilder]: Removed 40 assume(true) statements. [2023-12-03 01:05:11,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:11 BoogieIcfgContainer [2023-12-03 01:05:11,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:05:11,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:05:11,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:05:11,892 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:05:11,892 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:11" (1/1) ... [2023-12-03 01:05:11,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:05:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2023-12-03 01:05:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2023-12-03 01:05:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:05:11,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:11,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2023-12-03 01:05:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2023-12-03 01:05:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:05:12,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:12,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2023-12-03 01:05:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2023-12-03 01:05:12,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:05:12,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:12,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:12,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:05:12,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 182 transitions. [2023-12-03 01:05:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2023-12-03 01:05:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:05:12,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:12,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:12,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:05:12,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 111 states and 180 transitions. [2023-12-03 01:05:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2023-12-03 01:05:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:05:12,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:12,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:12,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:05:12,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 111 states and 176 transitions. [2023-12-03 01:05:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2023-12-03 01:05:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:05:12,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:12,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:12,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:05:12,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 111 states and 170 transitions. [2023-12-03 01:05:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 170 transitions. [2023-12-03 01:05:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:05:12,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:12,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:05:12,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:22,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:05:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 111 states and 164 transitions. [2023-12-03 01:05:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2023-12-03 01:05:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:05:22,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:23,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:05:23,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:33,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:05:43,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:05:53,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:06:03,751 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 [] [2023-12-03 01:06:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 138 states and 197 transitions. [2023-12-03 01:06:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 197 transitions. [2023-12-03 01:06:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:06:04,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:04,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:04,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:06:04,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 138 states and 195 transitions. [2023-12-03 01:06:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 195 transitions. [2023-12-03 01:06:04,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:06:04,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:04,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:04,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:06:04,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:14,643 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 [] [2023-12-03 01:06:24,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:06:34,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:06:44,771 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 [] [2023-12-03 01:06:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:45,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 166 states and 229 transitions. [2023-12-03 01:06:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 229 transitions. [2023-12-03 01:06:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:06:45,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:45,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:06:45,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 166 states and 227 transitions. [2023-12-03 01:06:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 227 transitions. [2023-12-03 01:06:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:06:45,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:45,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:45,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:06:45,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:55,514 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 [] [2023-12-03 01:06:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 225 transitions. [2023-12-03 01:06:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 225 transitions. [2023-12-03 01:06:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:06:55,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:55,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:55,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:06:55,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:07:06,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:07:16,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:07:26,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:07:36,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:07:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 169 states and 227 transitions. [2023-12-03 01:07:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 227 transitions. [2023-12-03 01:07:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:07:36,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:36,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:36,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:07:36,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 170 states and 228 transitions. [2023-12-03 01:07:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2023-12-03 01:07:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:07:36,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:36,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:36,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:07:36,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:47,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:07:57,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:07,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:17,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 244 transitions. [2023-12-03 01:08:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2023-12-03 01:08:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:08:17,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:17,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:08:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:17,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:08:17,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:08:27,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:37,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:47,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:57,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 187 states and 246 transitions. [2023-12-03 01:08:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 246 transitions. [2023-12-03 01:08:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:08:57,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:08:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:58,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:08:58,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:09:03,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:09:13,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:09:23,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:09:33,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:09:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:33,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 190 states and 248 transitions. [2023-12-03 01:09:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2023-12-03 01:09:33,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:09:33,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:33,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:34,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:09:34,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:09:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 199 states and 258 transitions. [2023-12-03 01:09:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 258 transitions. [2023-12-03 01:09:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:09:34,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:34,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:09:34,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:09:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 208 states and 268 transitions. [2023-12-03 01:09:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-12-03 01:09:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:09:34,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:34,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:44,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:09:44,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:09:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 208 states and 268 transitions. [2023-12-03 01:09:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-12-03 01:09:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:09:44,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:44,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:50,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:09:50,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 210 states and 272 transitions. [2023-12-03 01:09:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 272 transitions. [2023-12-03 01:09:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:09:50,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:10:00,628 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) [2023-12-03 01:10:00,631 INFO L158 Benchmark]: Toolchain (without parser) took 291725.01ms. Allocated memory was 142.6MB in the beginning and 245.4MB in the end (delta: 102.8MB). Free memory was 101.8MB in the beginning and 148.1MB in the end (delta: -46.4MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2023-12-03 01:10:00,632 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:10:00,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.67ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 72.5MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 01:10:00,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.26ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 65.5MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:10:00,633 INFO L158 Benchmark]: Boogie Preprocessor took 101.47ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 58.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:10:00,634 INFO L158 Benchmark]: RCFGBuilder took 2172.83ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 58.4MB in the beginning and 139.6MB in the end (delta: -81.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-12-03 01:10:00,635 INFO L158 Benchmark]: CodeCheck took 288748.85ms. Allocated memory was 195.0MB in the beginning and 245.4MB in the end (delta: 50.3MB). Free memory was 139.6MB in the beginning and 148.1MB in the end (delta: -8.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-12-03 01:10:00,638 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 0.21ms. Allocated memory is still 107.0MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.67ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 72.5MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.26ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 65.5MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.47ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 58.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2172.83ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 58.4MB in the beginning and 139.6MB in the end (delta: -81.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * CodeCheck took 288748.85ms. Allocated memory was 195.0MB in the beginning and 245.4MB in the end (delta: 50.3MB). Free memory was 139.6MB in the beginning and 148.1MB in the end (delta: -8.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:10:00,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/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_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:10:02,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:10:02,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:10:02,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:10:02,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:10:02,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:10:02,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:10:02,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:10:02,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:10:02,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:10:02,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:10:02,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:10:02,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:10:02,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:10:02,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:10:02,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:10:02,537 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:10:02,537 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:10:02,538 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:10:02,538 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:10:02,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:10:02,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:10:02,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:10:02,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:10:02,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:10:02,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:10:02,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:10:02,542 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:02,543 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:10:02,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:10:02,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:10:02,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:10:02,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:10:02,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:10:02,545 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:10:02,545 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:02,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:10:02,545 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:10:02,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:10:02,546 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_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2023-12-03 01:10:02,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:10:02,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:10:02,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:10:02,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:10:02,863 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:10:02,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2023-12-03 01:10:05,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:10:05,953 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:10:05,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2023-12-03 01:10:05,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data/daab8b663/c3e8f5d26f4149e7a6d7e5b6421a6fc9/FLAG780ee639d [2023-12-03 01:10:05,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/data/daab8b663/c3e8f5d26f4149e7a6d7e5b6421a6fc9 [2023-12-03 01:10:05,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:10:05,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:10:05,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:10:05,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:10:05,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:10:06,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:10:05" (1/1) ... [2023-12-03 01:10:06,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151e82c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06, skipping insertion in model container [2023-12-03 01:10:06,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:10:05" (1/1) ... [2023-12-03 01:10:06,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:10:06,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:10:06,546 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:10:06,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:10:06,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:10:06,641 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:10:06,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:10:06,736 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:10:06,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06 WrapperNode [2023-12-03 01:10:06,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:10:06,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:10:06,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:10:06,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:10:06,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,817 INFO L138 Inliner]: procedures = 180, calls = 238, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 792 [2023-12-03 01:10:06,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:10:06,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:10:06,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:10:06,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:10:06,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:10:06,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:10:06,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:10:06,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:10:06,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:10:06" (1/1) ... [2023-12-03 01:10:06,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:10:06,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:10:06,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:10:06,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:10:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:10:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:10:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:10:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:10:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:10:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:10:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:10:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:10:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:10:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:10:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:10:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:10:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:10:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:10:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:10:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:10:07,175 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:10:07,177 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:10:23,877 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:10:24,238 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:10:24,238 INFO L309 CfgBuilder]: Removed 40 assume(true) statements. [2023-12-03 01:10:24,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:10:24 BoogieIcfgContainer [2023-12-03 01:10:24,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:10:24,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:10:24,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:10:24,251 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:10:24,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:10:24" (1/1) ... [2023-12-03 01:10:24,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:10:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2023-12-03 01:10:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2023-12-03 01:10:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:10:24,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:24,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:24,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:24,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:24,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:10:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:24,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:24,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:24,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:24,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:10:26,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:10:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 180 transitions. [2023-12-03 01:10:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2023-12-03 01:10:26,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:10:26,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:26,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:26,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:10:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:26,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:26,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:26,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:26,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:10:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 111 states and 181 transitions. [2023-12-03 01:10:26,819 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2023-12-03 01:10:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:10:26,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:26,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:26,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:26,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:10:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:27,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:27,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:27,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:27,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:10:27,122 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:10:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 110 states and 178 transitions. [2023-12-03 01:10:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2023-12-03 01:10:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:10:27,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:27,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:27,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:27,154 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:27,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:10:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:27,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:27,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:27,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:27,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:10:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:27,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 110 states and 174 transitions. [2023-12-03 01:10:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 174 transitions. [2023-12-03 01:10:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:10:27,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:27,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:27,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:27,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:10:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:27,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:27,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:27,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:27,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 01:10:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 110 states and 168 transitions. [2023-12-03 01:10:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 168 transitions. [2023-12-03 01:10:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:10:27,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:27,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:27,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:27,850 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:27,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:10:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:28,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:28,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:28,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:28,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:10:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 110 states and 160 transitions. [2023-12-03 01:10:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2023-12-03 01:10:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:10:29,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:29,072 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:29,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:10:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:29,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:29,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:29,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:29,859 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:10:29,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:10:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 124 states and 176 transitions. [2023-12-03 01:10:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 176 transitions. [2023-12-03 01:10:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:10:30,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:30,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:30,231 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:30,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:10:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:30,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:30,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:30,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:30,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:10:30,793 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:10:30,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 124 states and 174 transitions. [2023-12-03 01:10:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 174 transitions. [2023-12-03 01:10:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:10:30,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:30,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:30,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:30,807 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:30,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:10:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:31,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:31,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:31,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:31,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:10:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 124 states and 172 transitions. [2023-12-03 01:10:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2023-12-03 01:10:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:10:31,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:31,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:31,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:31,487 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:31,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:10:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:31,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:32,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:32,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:32,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 01:10:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 174 transitions. [2023-12-03 01:10:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 174 transitions. [2023-12-03 01:10:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:10:32,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:32,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:32,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:32,330 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:32,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:10:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:32,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:33,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:33,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:10:33,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:10:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:36,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:36,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:36,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:36,723 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:36,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:10:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:37,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:37,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:37,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:37,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:10:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:37,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:37,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:37,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:37,788 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:37,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:10:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:38,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:38,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:38,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:38,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:10:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:38,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:38,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:38,692 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:38,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:10:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:39,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:39,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:39,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:39,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:10:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:39,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:39,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:39,661 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:39,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:10:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:40,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:40,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:40,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:40,561 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:10:40,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:10:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:40,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:40,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:40,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:40,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:40,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:10:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:41,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:41,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:41,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:41,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:10:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:41,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:41,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:41,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:41,532 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:41,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:10:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:42,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:42,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:42,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:42,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 01:10:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:42,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:42,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:42,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:42,570 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:42,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:10:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:43,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:43,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:43,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:43,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:10:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:43,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:43,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:43,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:43,621 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:43,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:10:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:44,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:44,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:44,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:44,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:10:44,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:44,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:44,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:44,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:44,744 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:44,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:10:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:45,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:45,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:45,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:45,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:45,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:10:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:45,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:45,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:45,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:45,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:45,939 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:45,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:10:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:46,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:47,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:47,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:47,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:10:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:47,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:47,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:47,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:47,068 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:47,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:10:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:47,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:48,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:48,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:48,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-03 01:10:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:48,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:48,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:48,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:48,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:48,290 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:48,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:10:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:49,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:49,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:49,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:49,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:10:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:49,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:49,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:49,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:49,605 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:49,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:10:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:50,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:50,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:50,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:50,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:10:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:50,924 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:50,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:50,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:50,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:50,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:50,926 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:50,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:10:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:51,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:52,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:52,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:52,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:10:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:52,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:52,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:52,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:52,342 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:52,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:10:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:53,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:53,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:53,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:53,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:10:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:53,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:53,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:53,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:53,649 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:53,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:10:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:54,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:55,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:55,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:55,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:55,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:10:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:55,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:55,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:55,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:55,066 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:55,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:10:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:56,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:56,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:56,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:56,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:10:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:56,324 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:56,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:56,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:56,326 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:56,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:10:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:57,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:57,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:57,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:57,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:10:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:57,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:57,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:57,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:57,786 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:57,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:10:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:58,792 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:59,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:10:59,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:59,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:10:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:10:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:10:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:10:59,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:59,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:59,118 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:59,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:11:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:00,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:00,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:00,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:00,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:11:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:00,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:00,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:00,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:00,690 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:00,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:11:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:01,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:02,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:02,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:02,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:11:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:02,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:02,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:02,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:02,268 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:02,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:11:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:03,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:03,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:03,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:03,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:03,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:03,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:03,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:03,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:03,895 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:03,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:11:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:05,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:05,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:05,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:05,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:11:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:05,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:05,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:05,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:05,554 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:05,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:11:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:06,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:07,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:07,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:07,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:11:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:07,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:07,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:07,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:07,155 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:07,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:11:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:08,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:08,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:08,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:08,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:08,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:08,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:08,554 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:08,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:11:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:09,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:10,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:10,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:10,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:11:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:10,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:10,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:10,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:10,361 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:10,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:11:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:11,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:12,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:12,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:12,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:12,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:12,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:12,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:12,061 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:12,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:11:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:13,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:14,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:14,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:14,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:11:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:14,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:14,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:14,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:14,055 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:14,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:11:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:15,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:15,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:15,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:15,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:15,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:15,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:15,766 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:15,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:11:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:17,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:17,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:17,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:17,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:17,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:17,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:17,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:17,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:17,599 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:17,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:11:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:19,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:19,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:19,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:19,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:11:19,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:19,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:19,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:19,597 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:19,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:11:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:21,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:21,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:21,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:21,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:11:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:21,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:21,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:21,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:21,568 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:21,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:11:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:23,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:23,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:23,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:23,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:11:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:23,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:23,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:23,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:23,590 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:23,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:11:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:25,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:25,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:25,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:25,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:11:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:25,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:25,748 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:25,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:11:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:27,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:27,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:27,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:27,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:11:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:27,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:27,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:27,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:27,831 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:27,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:11:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:29,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:29,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:29,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:30,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:11:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:30,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:30,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:30,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:30,032 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:30,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:11:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:31,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:32,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:32,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:32,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:11:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:32,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:32,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:32,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:32,172 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:32,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:11:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:34,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:34,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:34,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:34,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:34,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:34,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:34,447 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:34,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:11:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:36,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:36,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:36,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:36,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:11:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:36,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:36,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:36,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:36,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:36,631 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:36,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:11:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:38,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:38,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:38,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:38,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:38,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:38,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:38,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:38,817 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:38,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:11:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:40,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:41,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:41,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:41,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:11:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:41,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:41,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:41,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:41,124 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:11:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:43,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:43,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:43,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:43,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:11:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:43,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:43,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:43,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:43,507 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:43,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:11:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:45,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:45,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:45,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:45,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:45,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:45,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:45,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:45,938 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:45,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:11:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:47,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:48,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:48,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:48,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:48,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:11:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:48,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:48,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:48,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:48,267 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:48,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:11:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:50,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:50,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:50,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:50,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:11:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:50,586 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:50,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:50,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:50,587 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:50,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:11:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:52,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:53,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:53,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:53,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:11:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:53,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:53,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:53,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:53,145 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:53,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:11:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:55,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:55,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:55,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:55,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:55,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:55,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:55,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:55,586 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:55,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:11:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:57,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:58,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:58,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:58,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 01:11:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:11:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:11:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:58,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:58,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:58,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:58,143 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:58,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:12:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:00,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:00,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:00,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:00,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 01:12:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:00,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:00,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:00,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:00,781 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:00,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:12:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:03,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:03,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:03,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:03,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:12:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:03,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:03,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:03,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:03,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:03,365 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:03,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:12:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:05,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:05,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:05,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:05,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:12:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:05,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:05,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:05,918 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:05,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:12:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:08,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:08,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:08,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:08,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:12:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:08,787 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:08,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:08,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:08,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:08,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:08,789 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:08,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:12:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:11,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:11,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:11,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:11,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:12:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:11,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:11,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:11,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:11,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:11,550 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:11,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:12:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:13,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:14,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:14,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:14,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:12:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:14,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:14,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:14,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:14,374 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:14,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:12:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:16,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:17,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:17,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 01:12:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:17,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:17,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:17,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:17,307 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:17,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:12:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:19,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:20,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:20,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:20,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:12:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:20,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:20,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:20,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:20,050 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:20,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:12:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:22,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:22,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:22,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:22,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:12:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:22,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:22,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:22,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:22,931 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:22,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:12:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:25,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:25,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:25,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:25,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:12:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:25,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:25,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:25,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:25,907 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:25,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:12:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:28,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:29,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:29,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:29,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:12:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:29,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:29,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:29,057 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:29,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:12:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:31,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:32,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:32,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:32,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:12:32,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:32,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:32,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:32,113 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:32,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:12:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:34,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:35,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:35,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:35,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:12:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:35,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:35,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:35,177 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:35,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:12:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:38,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:38,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:38,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:38,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 01:12:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:38,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:38,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:38,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:38,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:38,420 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:38,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:12:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:41,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:42,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:42,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:42,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 01:12:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:42,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:42,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:42,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:42,054 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:42,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 01:12:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:45,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:45,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:45,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:45,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 01:12:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:45,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:45,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:45,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:45,607 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:45,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 01:12:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:48,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:48,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:48,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:49,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 01:12:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:49,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:49,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:49,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:49,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:49,028 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:49,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 01:12:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:52,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:52,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:52,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:52,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 01:12:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:52,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:52,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:52,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:52,664 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:52,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 01:12:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:55,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:55,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:55,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:55,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 01:12:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:55,630 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:55,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:55,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:55,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:55,631 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:55,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 01:12:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:59,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:59,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:59,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:59,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 01:12:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:12:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:12:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:59,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:59,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:59,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:59,610 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 01:13:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:03,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:03,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:03,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:03,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 01:13:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:03,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:03,478 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:03,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:03,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:03,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:03,480 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:03,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 01:13:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:06,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:07,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:07,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:07,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 01:13:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:07,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:07,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:07,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:07,213 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:07,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 01:13:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:10,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:11,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:11,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:11,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 01:13:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:11,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:11,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:11,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:11,105 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:11,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 01:13:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:14,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:15,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:15,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:15,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2023-12-03 01:13:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:15,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:15,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:15,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:15,095 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:15,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 01:13:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:18,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:18,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:18,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:18,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 01:13:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:18,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:18,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:18,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:18,577 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:18,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 01:13:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:22,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:22,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:22,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:22,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-03 01:13:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:22,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:22,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:22,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:22,710 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:22,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 01:13:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:26,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:26,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:26,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:26,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 01:13:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:26,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:26,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:26,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:26,734 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:26,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 01:13:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:30,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:30,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:30,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:30,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 01:13:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:30,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:30,702 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:30,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:30,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:30,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:30,704 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:30,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 01:13:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:34,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:34,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:34,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:34,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 01:13:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:34,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:34,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:34,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:34,788 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:34,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 01:13:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:38,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:38,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:38,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:38,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 01:13:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:38,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:38,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:38,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:38,960 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:38,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 01:13:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:42,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:42,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:42,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:42,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 01:13:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:42,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:42,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:42,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:42,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:42,581 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:42,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 01:13:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:46,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:46,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:46,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:46,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 01:13:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:46,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:46,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:46,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:46,576 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:46,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 01:13:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:50,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:50,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:50,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:50,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 01:13:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:50,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:50,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:50,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:50,718 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:50,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 01:13:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:54,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:54,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:54,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:54,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 01:13:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:54,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:54,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:54,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:54,806 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:54,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 01:13:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:58,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:59,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:59,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:13:59,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 01:13:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:13:59,276 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:13:59,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:59,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:59,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:59,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:59,278 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:59,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 01:14:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:03,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:03,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:03,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:03,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 01:14:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:03,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:03,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:03,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:03,516 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:03,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 01:14:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:07,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:07,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:07,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:07,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 01:14:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:07,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:07,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:07,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:07,377 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:07,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 01:14:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:10,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:11,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:11,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:11,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 01:14:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:11,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:11,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:11,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:11,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:11,327 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:11,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 01:14:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:14,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:15,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:15,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:15,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 01:14:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:15,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:15,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:15,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:15,358 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:15,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 01:14:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:18,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:19,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:19,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:19,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 01:14:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:19,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:19,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:19,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:19,404 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:19,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 01:14:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:23,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:24,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:24,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:24,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 01:14:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:24,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:24,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:24,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:24,190 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:24,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 01:14:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:28,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:28,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:28,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:28,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 01:14:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:28,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:28,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:28,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:28,494 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:28,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 01:14:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:32,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:32,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:32,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:32,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 01:14:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:32,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:32,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:32,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:32,926 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:32,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 01:14:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:37,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:37,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:37,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:37,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 01:14:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:37,704 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:37,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:37,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:37,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:37,706 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:37,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 01:14:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:41,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:41,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:41,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:41,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 01:14:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:41,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:41,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:41,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:41,857 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:41,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 01:14:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:46,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:46,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:46,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:46,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 01:14:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:46,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:46,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:46,682 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:46,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 01:14:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:51,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:51,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:51,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:51,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 01:14:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:51,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:51,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:51,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:51,776 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:51,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 01:14:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:56,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:57,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:57,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:14:57,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 01:14:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:14:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:14:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:14:57,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:57,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:57,172 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:57,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 01:15:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:01,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:02,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:02,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:02,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 01:15:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:02,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:02,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:02,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:02,368 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:02,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 01:15:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:07,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:07,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:07,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:07,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 01:15:07,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:07,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:07,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:07,700 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:07,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 01:15:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:11,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:12,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:12,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:12,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2023-12-03 01:15:12,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:12,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:12,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:12,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:12,376 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:12,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 01:15:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:16,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:16,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:16,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:16,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 01:15:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:16,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:16,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:16,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:16,591 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:16,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 01:15:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:20,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:20,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:20,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:20,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 01:15:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:20,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:20,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:20,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:20,648 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:20,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 01:15:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:25,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:25,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:25,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:25,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 01:15:26,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:26,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:26,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:26,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:26,007 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:26,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 01:15:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:30,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:30,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:30,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:30,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 01:15:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:30,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:30,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:30,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:30,639 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:30,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 01:15:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:34,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:35,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:35,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:35,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 01:15:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:35,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:35,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:35,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:35,121 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:35,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 01:15:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:39,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:39,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:39,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:39,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 01:15:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:39,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:39,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:39,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:39,488 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:39,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 01:15:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:42,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:43,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:43,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:43,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 01:15:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:43,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:43,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:43,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:43,313 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:43,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 01:15:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:47,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:47,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:47,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:47,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 01:15:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:47,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:47,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:47,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:47,768 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:47,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 01:15:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:52,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:52,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:52,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:52,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 01:15:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:52,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:52,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:52,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:52,411 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:52,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 01:15:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:56,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:57,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:57,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:57,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 01:15:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:15:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:15:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:15:57,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:57,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:57,123 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:57,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 01:16:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:01,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:02,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:02,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:02,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 01:16:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:02,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:02,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:02,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:02,081 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:02,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 01:16:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:07,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:07,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:07,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:07,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 01:16:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:07,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:07,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:07,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:07,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:07,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:07,825 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:07,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 01:16:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:13,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:13,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:13,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:13,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 01:16:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:13,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:13,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:13,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:13,418 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:13,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 01:16:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:18,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:18,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:18,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:18,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 01:16:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:18,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:18,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:18,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:18,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:18,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:18,641 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:18,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 01:16:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:23,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:23,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:23,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:23,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 01:16:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:23,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:23,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:23,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:23,495 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:23,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 01:16:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:27,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:28,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:28,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:28,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 01:16:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:28,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:28,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:28,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:28,241 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:28,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 01:16:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:32,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:32,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:32,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:32,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 01:16:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:32,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:32,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:32,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:32,886 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:32,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 01:16:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:37,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:37,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:37,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:37,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 01:16:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:37,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:37,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:37,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:37,934 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:37,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 01:16:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:42,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:42,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:42,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:42,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2023-12-03 01:16:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:42,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:42,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:42,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:42,751 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:42,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 01:16:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:47,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:47,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:47,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:47,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:47,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 01:16:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:47,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:47,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:47,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:47,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:47,743 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:47,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 01:16:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:52,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:53,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:53,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:53,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 01:16:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:53,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:53,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:53,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:53,101 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:53,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 01:16:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:58,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:58,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:58,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:16:58,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 01:16:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:16:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:16:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:16:58,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:58,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:58,819 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:58,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 01:17:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:04,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:04,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:04,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:04,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 01:17:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:04,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:04,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:04,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:04,564 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:04,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 01:17:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:09,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:10,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:10,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:10,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 01:17:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:10,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:10,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:10,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:10,462 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:10,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 01:17:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:15,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:16,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:16,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:16,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 01:17:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:16,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:16,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:16,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:16,122 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:16,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 01:17:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:22,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:22,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:22,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:22,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 01:17:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:22,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:22,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:22,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:22,570 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:22,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 01:17:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:27,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:28,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:28,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:28,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 01:17:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:28,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:28,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:28,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:28,407 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:28,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 01:17:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:34,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:35,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:35,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:35,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 01:17:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:35,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:35,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:35,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:35,192 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:35,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 01:17:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:41,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:41,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:41,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:41,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2023-12-03 01:17:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:41,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:41,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:41,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:41,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:41,689 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:41,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 01:17:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:47,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:48,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:48,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:48,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 01:17:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:48,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:48,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:48,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:48,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:48,212 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:48,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 01:17:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:53,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:54,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:17:54,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:54,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 01:17:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:17:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:17:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:17:54,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:54,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:54,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:54,160 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:54,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 01:18:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:00,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:00,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:00,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:00,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 01:18:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:00,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:00,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:00,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:00,958 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:00,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 01:18:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:07,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:07,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:07,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:07,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 01:18:07,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:07,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:07,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:07,863 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:07,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 01:18:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:13,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:14,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:14,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:14,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 01:18:14,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:14,342 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:14,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:14,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:14,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:14,343 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:14,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 01:18:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:19,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:19,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:19,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:19,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 01:18:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:19,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:19,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:19,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:19,728 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:19,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 01:18:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:26,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:26,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:26,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:26,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 01:18:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:26,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:26,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:26,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:26,787 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:26,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 01:18:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:32,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:32,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:32,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:32,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 01:18:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:32,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:32,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:32,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:32,592 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:32,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 01:18:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:39,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:39,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:39,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:39,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 01:18:39,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:39,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:39,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:39,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:39,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:39,694 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:39,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 01:18:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:46,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:46,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:46,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:46,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 01:18:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:46,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:46,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:46,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:46,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:46,769 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:46,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 01:18:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:53,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:54,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:18:54,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 01:18:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 162 states and 216 transitions. [2023-12-03 01:18:54,211 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-12-03 01:18:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:18:54,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:54,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:54,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:54,212 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:54,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0fc719-9cc9-4eaf-99d9-b2e7a4e15077/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process