./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/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_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:28,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:28,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:48:28,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:48:28,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:48:28,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:28,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:48:28,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:48:28,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:28,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:28,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:28,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:48:28,595 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:48:28,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:48:28,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:48:28,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:28,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:48:28,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:28,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:48:28,599 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:48:28,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:48:28,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:28,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:28,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:28,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:28,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:28,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:28,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:28,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:28,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:48:28,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:48:28,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:48:28,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:48:28,609 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_8b9edbcb-c18a-484a-9045-2785ae1d9af8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a [2023-12-02 23:48:28,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:28,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:28,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:28,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:28,849 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:28,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-12-02 23:48:31,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:31,929 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:31,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-12-02 23:48:31,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data/49b9e8a31/2437895e04be472a9e8c8614dc807e63/FLAGf593b2317 [2023-12-02 23:48:31,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data/49b9e8a31/2437895e04be472a9e8c8614dc807e63 [2023-12-02 23:48:31,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:31,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:31,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:31,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:31,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:31,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:31" (1/1) ... [2023-12-02 23:48:31,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ddc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:31, skipping insertion in model container [2023-12-02 23:48:31,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:31" (1/1) ... [2023-12-02 23:48:32,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:32,362 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2023-12-02 23:48:32,489 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2023-12-02 23:48:32,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:32,507 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:32,538 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2023-12-02 23:48:32,588 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2023-12-02 23:48:32,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:32,623 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:32,631 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:32,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32 WrapperNode [2023-12-02 23:48:32,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:32,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:32,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:32,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:32,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,728 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-12-02 23:48:32,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:32,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:32,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:32,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:32,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:32,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:32,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:32,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:32,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:32" (1/1) ... [2023-12-02 23:48:32,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:32,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:32,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:48:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:48:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:48:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:48:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:48:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:48:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-02 23:48:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-02 23:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:48:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:48:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:48:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:33,091 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:33,093 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:35,695 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:37,221 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:37,221 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-12-02 23:48:37,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:37 BoogieIcfgContainer [2023-12-02 23:48:37,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:37,224 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:37,225 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:37,235 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:37,235 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:37" (1/1) ... [2023-12-02 23:48:37,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:48:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 156 states and 267 transitions. [2023-12-02 23:48:37,312 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 267 transitions. [2023-12-02 23:48:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:48:37,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:37,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 156 states and 262 transitions. [2023-12-02 23:48:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2023-12-02 23:48:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:48:37,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:37,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:37,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:48:37,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 156 states and 259 transitions. [2023-12-02 23:48:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2023-12-02 23:48:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:48:37,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:37,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 158 states and 258 transitions. [2023-12-02 23:48:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 258 transitions. [2023-12-02 23:48:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:48:37,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:37,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:48:37,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 158 states and 254 transitions. [2023-12-02 23:48:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 254 transitions. [2023-12-02 23:48:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:48:37,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:37,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:38,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:48:38,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 158 states and 248 transitions. [2023-12-02 23:48:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 248 transitions. [2023-12-02 23:48:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:48:38,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:38,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:38,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:48:38,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:48,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 158 states and 242 transitions. [2023-12-02 23:48:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 242 transitions. [2023-12-02 23:48:48,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:48:48,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:48,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:48,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:48:48,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:58,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:09,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:19,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:29,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 171 states and 257 transitions. [2023-12-02 23:49:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 257 transitions. [2023-12-02 23:49:29,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:49:29,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:29,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:29,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:49:29,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 255 transitions. [2023-12-02 23:49:29,341 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-12-02 23:49:29,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:49:29,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:29,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:29,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:49:29,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 171 states and 253 transitions. [2023-12-02 23:49:29,541 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2023-12-02 23:49:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:49:29,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:29,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:29,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:49:29,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:39,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2023-12-02 23:49:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2023-12-02 23:49:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:49:39,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:39,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:40,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:49:40,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:50,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:00,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:10,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:20,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 174 states and 253 transitions. [2023-12-02 23:50:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-12-02 23:50:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:50:20,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:20,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:26,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:50:26,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 174 states and 253 transitions. [2023-12-02 23:50:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-12-02 23:50:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:50:26,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:26,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:30,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:50:30,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:30,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 176 states and 257 transitions. [2023-12-02 23:50:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 257 transitions. [2023-12-02 23:50:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:30,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:30,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:50:41,045 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:50:41,048 INFO L158 Benchmark]: Toolchain (without parser) took 129081.81ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 81.2MB in the beginning and 120.1MB in the end (delta: -38.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-12-02 23:50:41,049 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:50:41,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.65ms. Allocated memory is still 138.4MB. Free memory was 80.9MB in the beginning and 92.9MB in the end (delta: -12.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-12-02 23:50:41,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.35ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 84.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:50:41,050 INFO L158 Benchmark]: Boogie Preprocessor took 101.04ms. Allocated memory is still 138.4MB. Free memory was 84.0MB in the beginning and 75.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:50:41,051 INFO L158 Benchmark]: RCFGBuilder took 4392.56ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 75.2MB in the beginning and 148.6MB in the end (delta: -73.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2023-12-02 23:50:41,052 INFO L158 Benchmark]: CodeCheck took 123823.16ms. Allocated memory is still 211.8MB. Free memory was 148.6MB in the beginning and 120.1MB in the end (delta: 28.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-12-02 23:50:41,056 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 0.27ms. Allocated memory is still 92.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.65ms. Allocated memory is still 138.4MB. Free memory was 80.9MB in the beginning and 92.9MB in the end (delta: -12.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.35ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 84.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.04ms. Allocated memory is still 138.4MB. Free memory was 84.0MB in the beginning and 75.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4392.56ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 75.2MB in the beginning and 148.6MB in the end (delta: -73.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * CodeCheck took 123823.16ms. Allocated memory is still 211.8MB. Free memory was 148.6MB in the beginning and 120.1MB in the end (delta: 28.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:50:41,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/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_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:50:43,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:50:43,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:50:43,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:50:43,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:50:43,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:50:43,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:50:43,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:50:43,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:50:43,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:50:43,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:50:43,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:50:43,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:50:43,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:50:43,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:50:43,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:50:43,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:50:43,156 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:50:43,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:50:43,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:50:43,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:50:43,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:50:43,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:50:43,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:50:43,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:50:43,161 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:43,162 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:50:43,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:50:43,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:50:43,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:50:43,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:50:43,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:50:43,164 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:50:43,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:43,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:50:43,165 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:50:43,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:50:43,166 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_8b9edbcb-c18a-484a-9045-2785ae1d9af8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a [2023-12-02 23:50:43,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:50:43,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:50:43,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:50:43,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:50:43,494 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:50:43,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-12-02 23:50:46,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:50:46,641 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:50:46,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-12-02 23:50:46,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data/72afd1b69/c3507424e8734c56a6bd82c658e93721/FLAGea940959c [2023-12-02 23:50:46,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/data/72afd1b69/c3507424e8734c56a6bd82c658e93721 [2023-12-02 23:50:46,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:50:46,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:50:46,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:50:46,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:50:46,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:50:46,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:50:46" (1/1) ... [2023-12-02 23:50:46,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8418ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:46, skipping insertion in model container [2023-12-02 23:50:46,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:50:46" (1/1) ... [2023-12-02 23:50:46,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:50:47,215 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2023-12-02 23:50:47,320 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2023-12-02 23:50:47,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:50:47,352 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:50:47,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:50:47,386 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2023-12-02 23:50:47,435 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2023-12-02 23:50:47,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:50:47,442 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:50:47,470 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2023-12-02 23:50:47,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2023-12-02 23:50:47,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:50:47,550 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:50:47,557 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:50:47,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47 WrapperNode [2023-12-02 23:50:47,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:50:47,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:50:47,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:50:47,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:50:47,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,655 INFO L138 Inliner]: procedures = 180, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2023-12-02 23:50:47,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:50:47,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:50:47,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:50:47,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:50:47,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:50:47,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:50:47,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:50:47,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:50:47,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:47" (1/1) ... [2023-12-02 23:50:47,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:50:47,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:50:47,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:50:47,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:50:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:50:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:50:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:50:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:50:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:50:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:50:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-02 23:50:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-02 23:50:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:50:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:50:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:50:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:50:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:50:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:50:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:50:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:50:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:50:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:50:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:50:48,068 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:50:48,070 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:51:03,340 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:51:03,731 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:51:03,731 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-12-02 23:51:03,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:51:03 BoogieIcfgContainer [2023-12-02 23:51:03,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:51:03,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:51:03,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:51:03,741 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:51:03,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:51:03" (1/1) ... [2023-12-02 23:51:03,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:51:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 156 states and 267 transitions. [2023-12-02 23:51:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 267 transitions. [2023-12-02 23:51:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:51:03,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:03,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:03,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:03,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:03,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:51:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:04,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:04,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:04,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:04,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:51:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 156 states and 262 transitions. [2023-12-02 23:51:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2023-12-02 23:51:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:51:04,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:04,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:04,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:04,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:04,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:51:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:04,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:04,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:04,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:04,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:51:04,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 156 states and 259 transitions. [2023-12-02 23:51:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2023-12-02 23:51:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:51:04,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:04,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:04,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:04,922 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:04,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:51:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:05,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:05,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:05,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:05,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:51:05,215 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:51:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 156 states and 255 transitions. [2023-12-02 23:51:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 255 transitions. [2023-12-02 23:51:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:51:05,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:05,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:05,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:05,225 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:05,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:51:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:05,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:05,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:05,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:05,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:51:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 156 states and 251 transitions. [2023-12-02 23:51:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 251 transitions. [2023-12-02 23:51:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:51:05,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:05,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:05,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:05,605 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:05,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:51:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:05,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:05,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:05,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:05,923 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:51:05,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:51:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 156 states and 249 transitions. [2023-12-02 23:51:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 249 transitions. [2023-12-02 23:51:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:51:05,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:05,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:05,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:05,933 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:05,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:51:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:06,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:06,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:06,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:06,345 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:51:06,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:51:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 156 states and 243 transitions. [2023-12-02 23:51:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 243 transitions. [2023-12-02 23:51:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:51:06,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:06,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:06,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:06,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:06,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:51:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:06,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:06,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:06,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:06,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:51:06,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:51:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 156 states and 241 transitions. [2023-12-02 23:51:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2023-12-02 23:51:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:51:06,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:06,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:06,770 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:06,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:51:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:07,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:07,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:51:07,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:07,274 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:51:07,275 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:51:07,276 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:51:07,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-02 23:51:07,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:51:07,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-02 23:51:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:07,404 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:51:07,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:51:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 158 states and 244 transitions. [2023-12-02 23:51:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 244 transitions. [2023-12-02 23:51:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:51:07,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:07,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:07,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:07,695 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:07,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:51:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:08,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:08,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:08,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:08,253 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:51:08,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:51:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 158 states and 238 transitions. [2023-12-02 23:51:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 238 transitions. [2023-12-02 23:51:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:51:09,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:09,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:09,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:09,217 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:09,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:51:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:09,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:09,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:09,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:09,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:51:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 171 states and 253 transitions. [2023-12-02 23:51:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2023-12-02 23:51:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:51:11,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:11,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:11,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:11,541 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:11,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:51:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:11,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:12,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:12,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:12,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:51:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2023-12-02 23:51:12,152 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2023-12-02 23:51:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:51:12,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:12,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:12,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:12,154 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:12,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:51:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:12,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:12,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:12,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:12,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:51:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 171 states and 249 transitions. [2023-12-02 23:51:12,874 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 249 transitions. [2023-12-02 23:51:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:51:12,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:12,876 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:12,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:51:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:13,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:13,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:51:13,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:13,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:51:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 171 states and 247 transitions. [2023-12-02 23:51:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 247 transitions. [2023-12-02 23:51:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:51:13,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:13,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:13,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:13,707 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:13,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:51:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:14,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:14,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:14,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:14,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-02 23:51:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:14,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:14,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:14,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:14,620 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:14,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:51:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:15,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:15,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:15,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:15,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-02 23:51:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:15,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:15,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:15,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:15,757 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:15,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:51:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:16,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:16,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:16,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:16,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:51:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:16,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:16,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:16,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:16,689 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:16,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:51:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:17,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:17,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:17,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:17,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:51:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:17,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:17,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:17,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:17,744 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:17,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:51:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:18,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:18,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:18,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:18,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:51:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:18,908 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:18,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:18,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:18,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:18,910 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:18,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:51:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:19,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:19,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:19,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:19,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:51:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:19,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:19,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:19,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:19,999 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:20,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:51:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:20,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:21,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:21,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:21,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:51:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:21,161 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:21,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:21,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:21,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:21,162 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:21,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:51:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:21,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:22,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:22,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:22,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:51:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:22,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:22,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:22,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:22,326 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:22,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:51:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:23,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:23,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:23,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:23,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:51:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:23,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:23,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:23,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:23,421 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:23,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:51:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:24,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:24,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:24,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:24,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:51:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:24,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:24,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:24,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:24,660 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:24,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:51:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:25,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:25,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:25,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:25,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:51:25,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:25,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:25,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:25,940 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:25,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:51:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:27,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:27,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:27,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:27,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:51:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:27,352 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:27,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:27,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:27,354 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:27,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:51:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:28,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:28,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:28,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:28,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:51:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:28,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:28,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:28,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:28,683 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:28,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:51:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:29,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:29,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:29,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:29,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:51:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:29,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:29,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:29,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:29,885 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:29,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:51:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:30,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:31,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:31,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:31,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:51:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:31,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:31,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:31,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:31,225 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:31,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:51:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:32,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:32,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:32,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:32,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-02 23:51:32,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:32,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:32,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:32,715 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:32,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:51:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:33,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:34,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:34,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:34,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:51:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:34,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:34,049 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:34,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:51:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:35,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:35,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:35,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:35,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:51:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:35,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:35,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:35,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:35,606 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:35,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:51:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:36,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:37,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:37,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:37,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:51:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:37,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:37,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:37,232 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:37,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:51:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:38,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:38,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:38,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:38,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:51:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:38,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:38,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:38,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:38,904 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:38,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:51:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:40,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:40,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:40,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:40,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:51:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:40,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:40,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:40,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:40,447 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:40,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:51:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:41,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:42,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:42,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:42,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:51:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:42,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:42,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:42,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:42,229 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:42,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:51:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:43,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:43,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:43,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:43,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:51:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:43,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:43,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:43,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:43,811 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:43,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:51:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:44,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:45,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:45,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:45,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 23:51:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:45,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:45,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:45,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:45,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:45,328 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:45,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:51:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:46,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:46,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:46,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:47,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:51:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:47,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:47,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:47,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:47,042 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:47,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:51:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:48,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:48,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:48,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:48,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:51:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:48,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:48,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:48,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:48,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:48,889 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:48,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:51:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:50,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:50,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:50,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:50,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:51:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:50,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:50,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:50,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:50,799 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:50,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:51:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:52,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:52,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:52,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:52,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:51:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:52,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:52,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:52,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:52,618 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:52,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:51:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:54,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:54,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:54,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:54,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-02 23:51:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:54,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:54,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:54,508 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:54,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:51:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:56,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:56,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:56,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:56,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:51:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:56,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:56,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:56,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:56,522 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:56,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:51:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:58,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:58,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:51:58,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:58,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:51:58,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:51:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:51:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:51:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:51:58,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:58,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:58,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:58,480 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:58,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:52:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:00,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:00,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:00,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:00,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:52:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:00,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:00,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:00,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:00,618 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:00,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:52:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:02,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:02,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:02,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:02,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:52:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:02,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:02,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:02,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:02,741 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:02,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:52:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:04,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:04,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:04,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:04,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:52:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:04,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:04,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:04,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:04,846 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:04,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:52:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:06,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:07,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:07,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:07,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:52:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:07,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:07,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:07,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:07,089 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:52:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:08,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:09,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:09,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:09,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:52:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:09,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:09,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:09,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:09,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:09,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:09,259 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:09,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:52:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:11,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:11,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:11,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:11,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:52:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:11,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:11,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:11,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:11,446 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:11,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:52:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:13,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:13,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:13,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:13,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:52:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:13,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:13,711 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:13,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:52:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:15,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:15,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:15,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:15,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:52:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:15,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:15,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:15,973 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:52:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:17,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:18,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:18,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:18,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:52:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:18,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:18,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:18,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:18,290 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:18,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:52:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:20,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:20,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:20,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:20,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:52:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:20,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:20,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:20,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:20,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:20,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:20,772 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:20,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:52:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:22,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:23,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:23,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:23,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:52:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:23,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:23,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:23,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:23,249 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:23,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:52:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:25,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:25,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:25,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:25,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:52:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:25,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:25,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:25,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:25,769 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:25,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:52:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:27,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:28,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:28,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:28,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:52:28,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:28,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:28,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:28,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:28,303 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:52:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:30,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:30,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:30,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:30,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:52:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:30,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:30,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:30,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:30,967 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:30,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:52:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:33,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:33,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:33,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:33,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 23:52:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:33,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:33,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:33,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:33,560 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:33,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:52:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:35,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:36,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:36,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:36,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 23:52:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:36,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:36,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:36,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:36,267 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:36,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:52:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:38,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:38,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:38,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:38,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:52:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:38,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:38,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:38,845 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:38,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:52:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:41,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:41,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:41,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:41,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:41,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:52:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:41,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:41,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:41,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:41,472 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:41,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:52:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:43,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:44,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:44,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:44,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:52:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:44,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:44,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:44,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:44,108 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:44,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:52:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:46,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:46,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:46,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:46,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:52:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:46,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:46,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:46,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:46,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:46,986 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:46,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:52:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:49,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:49,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:49,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:49,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 23:52:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:49,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:49,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:49,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:49,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:49,840 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:49,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:52:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:52,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:52,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:52,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:52,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:52:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:52,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:52,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:52,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:52,808 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:52,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:52:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:55,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:55,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2023-12-02 23:52:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:55,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:55,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:55,550 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:55,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:52:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:58,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:52:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:58,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:52:58,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:58,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:52:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:52:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:52:58,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:52:58,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:58,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:52:58,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:52:58,391 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:52:58,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:53:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:00,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:01,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:01,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:01,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2023-12-02 23:53:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:01,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:01,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:01,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:01,262 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:53:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:04,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:04,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:04,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:04,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-02 23:53:04,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:04,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:04,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:04,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:04,373 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:04,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:53:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:07,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:07,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:07,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:07,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 23:53:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:07,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:07,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:07,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:07,365 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:07,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:53:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:09,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:10,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:10,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:10,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 23:53:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:10,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:10,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:10,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:10,343 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:10,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:53:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:13,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:13,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:13,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:13,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 23:53:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:13,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:13,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:13,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:13,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:13,429 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:13,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:53:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:16,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:16,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:16,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:16,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:16,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:53:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:16,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:16,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:16,312 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:16,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:53:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:19,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:19,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:19,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:19,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-02 23:53:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:19,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:19,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:19,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:19,353 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:19,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:53:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:22,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:22,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:22,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:22,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 23:53:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:22,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:22,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:22,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:22,838 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:22,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:53:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:25,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:26,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:26,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:26,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 23:53:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:26,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:26,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:26,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:26,173 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:26,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:53:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:29,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:29,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:29,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:29,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2023-12-02 23:53:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:29,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:29,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:29,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:29,474 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:29,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:53:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:32,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:32,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:32,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:32,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 23:53:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:32,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:32,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:32,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:32,784 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:32,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:53:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:35,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:36,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:36,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:36,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-02 23:53:36,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:36,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:36,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:36,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:36,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:36,257 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:36,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:53:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:39,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:39,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:39,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:39,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 23:53:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:39,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:39,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:39,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:39,735 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:39,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:53:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:42,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:43,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:43,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:43,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:53:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:43,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:43,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:43,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:43,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:43,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:43,070 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:43,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:53:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:46,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:46,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:46,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:46,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:53:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:46,693 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:46,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:46,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:46,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:46,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:46,695 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:46,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:53:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:50,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:50,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:50,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:50,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:53:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:50,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:50,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:50,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:50,460 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:50,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:53:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:53,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:53,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:53,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:53,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 23:53:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:53,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:53,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:53,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:53,925 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:53,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:53:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:57,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:53:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:57,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:53:57,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:57,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 23:53:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:53:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:53:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:53:57,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:57,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:57,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:53:57,496 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:53:57,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:54:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:00,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:01,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:01,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:01,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-02 23:54:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:01,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:01,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:01,243 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:01,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 23:54:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:04,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:04,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:04,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:04,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 23:54:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:04,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:04,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:04,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:04,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:04,964 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:04,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 23:54:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:08,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:08,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:08,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:08,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 23:54:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:08,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:08,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:08,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:08,379 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:08,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 23:54:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:11,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:12,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:12,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:12,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 23:54:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:12,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:12,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:12,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:12,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:12,114 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:12,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 23:54:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:15,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:15,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:15,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:15,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 23:54:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:15,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:15,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:15,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:15,912 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:15,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 23:54:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:19,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:19,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:19,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:19,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 23:54:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:19,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:19,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:19,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:19,330 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:19,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 23:54:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:22,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:22,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:22,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:22,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 23:54:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:22,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:22,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:22,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:22,819 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:22,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 23:54:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:25,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:26,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:26,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:26,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 23:54:26,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:26,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:26,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:26,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:26,199 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:26,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 23:54:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:29,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:29,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:29,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:29,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2023-12-02 23:54:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:29,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:29,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:29,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:29,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:29,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:29,865 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:29,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 23:54:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:33,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:33,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:33,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:33,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 23:54:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:33,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:33,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:33,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:33,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:33,700 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:33,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 23:54:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:37,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:37,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:37,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:37,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 23:54:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:37,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:37,605 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:37,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 23:54:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:41,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:41,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:41,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:41,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 23:54:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:41,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:41,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:41,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:41,411 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:41,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 23:54:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:44,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:45,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:45,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:45,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 23:54:45,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:45,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:45,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:45,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:45,153 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:45,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 23:54:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:48,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:49,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:49,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:49,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 23:54:49,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:49,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:49,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:49,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:49,244 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:49,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 23:54:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:52,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:53,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:53,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:53,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 23:54:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:53,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:53,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:53,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:53,243 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:53,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 23:54:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:56,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:57,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:57,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:57,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 23:54:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:54:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:54:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:54:57,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:57,299 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:57,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 23:55:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:00,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:01,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:01,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:01,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 23:55:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:01,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:01,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:01,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:01,176 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:01,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 23:55:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:04,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:05,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:05,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:05,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 23:55:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:05,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:05,245 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:05,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 23:55:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:09,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:09,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:09,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:09,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 23:55:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:09,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:09,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:09,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:09,546 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:09,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 23:55:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:13,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:13,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:13,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:13,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 23:55:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:13,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:13,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:13,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:13,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:13,699 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:13,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 23:55:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:17,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:17,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:17,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:17,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2023-12-02 23:55:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:17,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:17,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:17,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:17,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:17,855 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:17,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 23:55:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:21,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:22,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:22,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:22,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 23:55:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:22,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:22,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:22,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:22,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:22,137 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:22,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 23:55:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:26,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:26,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:26,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:26,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2023-12-02 23:55:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:26,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:26,591 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:26,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 23:55:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:30,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:31,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:31,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:31,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 23:55:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:31,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:31,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:31,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:31,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:31,321 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:31,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 23:55:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:35,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:35,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:35,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:35,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:35,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 23:55:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:35,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:35,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:35,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:35,593 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:35,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 23:55:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:39,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:40,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:40,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:40,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2023-12-02 23:55:40,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:40,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:40,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:40,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:40,058 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:40,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 23:55:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:44,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:44,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:44,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:44,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 23:55:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:44,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:44,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:44,469 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:44,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 23:55:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:48,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:49,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:49,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:49,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 23:55:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:49,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:49,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:49,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:49,148 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:49,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 23:55:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:52,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:53,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:53,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:53,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 23:55:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:53,252 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:53,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:53,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:53,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:53,254 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:53,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 23:55:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:57,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:57,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:57,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:58,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 23:55:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:55:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:55:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:55:58,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:58,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:58,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:58,010 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:58,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 23:56:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:02,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:02,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:02,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:02,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 23:56:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:02,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:02,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:02,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:02,680 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:02,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 23:56:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:06,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:07,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:07,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:07,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 23:56:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:07,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:07,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:07,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:07,272 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:07,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 23:56:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:11,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:11,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:11,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:12,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 23:56:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:12,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:12,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:12,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:12,037 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:12,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 23:56:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:16,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:16,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:16,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:16,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 23:56:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:16,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:16,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:16,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:16,797 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:16,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 23:56:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:21,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:21,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:21,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:21,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 23:56:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:21,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:21,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:21,621 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:21,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 23:56:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:25,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:25,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:25,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:26,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 23:56:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:26,030 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:26,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:26,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:26,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:26,031 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:26,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 23:56:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:30,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:30,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:30,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:30,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 23:56:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:30,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:30,858 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:30,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:30,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:30,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:30,859 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:30,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 23:56:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:34,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:35,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:35,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:35,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 23:56:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:35,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:35,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:35,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:35,139 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:35,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 23:56:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:39,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:39,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:39,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:39,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 23:56:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:40,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:40,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:40,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:40,011 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:40,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 23:56:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:44,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:44,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:44,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:44,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 23:56:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:44,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:44,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:44,598 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:44,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 23:56:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:48,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:49,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:49,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:49,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 23:56:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:49,316 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:49,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:49,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:49,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:49,317 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:49,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 23:56:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:54,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:54,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:54,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:54,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 23:56:54,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:54,370 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:54,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:54,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:54,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:54,371 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:54,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 23:56:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:58,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:59,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:59,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:59,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 23:56:59,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:56:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:56:59,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:56:59,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:59,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:59,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:59,201 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:59,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 23:57:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:03,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:04,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:04,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:04,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 23:57:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:04,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:04,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:04,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:04,062 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 23:57:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:08,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:08,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:08,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:08,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 23:57:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:08,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:08,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:08,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:08,511 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:08,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 23:57:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:13,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:13,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:13,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:13,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 23:57:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:13,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:13,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:13,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:13,492 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:13,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 23:57:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:18,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:18,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:18,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:18,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 23:57:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:18,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:18,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:18,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:18,668 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:18,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 23:57:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:23,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:23,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:23,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:23,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 23:57:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:23,825 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:23,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:23,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:23,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:23,826 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:23,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 23:57:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:28,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:28,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:28,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:28,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 23:57:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:28,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:28,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:28,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:28,916 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:28,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 23:57:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:33,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:33,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:33,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:33,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 23:57:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:33,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:33,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:33,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:33,985 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:33,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 23:57:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:38,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:38,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:38,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:38,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 23:57:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:38,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:38,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:38,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:38,911 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 23:57:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:43,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:44,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:44,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:44,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 23:57:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:44,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:44,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:44,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:44,277 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:44,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 23:57:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:49,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:49,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:49,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:49,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 23:57:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:49,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:49,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:49,623 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:49,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 23:57:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:54,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:54,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:54,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:54,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 23:57:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:57:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:57:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:57:54,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:54,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:54,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:54,940 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:54,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 23:57:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:59,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:59,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:57:59,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:00,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 23:58:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:00,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:00,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:00,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:00,024 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:00,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 23:58:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:04,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:05,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:05,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:05,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 23:58:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:05,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:05,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:05,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:05,103 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:05,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 23:58:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:10,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:10,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:10,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:10,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 23:58:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:10,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:10,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:10,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:10,568 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:10,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 23:58:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:15,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:15,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:15,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:15,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 23:58:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:15,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:15,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:15,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:15,748 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:15,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 23:58:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:20,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:21,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:21,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:21,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 23:58:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:21,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:21,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:21,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:21,235 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:21,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 23:58:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:26,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:26,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:26,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:26,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 23:58:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:26,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:26,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:26,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:26,713 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:26,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 23:58:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:31,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:31,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:31,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:31,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 23:58:31,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:31,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:31,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:31,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:31,993 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:31,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 23:58:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:37,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:37,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:37,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:37,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 23:58:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:37,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:37,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:37,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:37,583 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 23:58:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:42,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:43,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:43,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:43,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 23:58:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:43,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:43,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:43,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:43,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:43,162 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:43,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 23:58:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:48,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:48,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:48,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:48,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2023-12-02 23:58:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:48,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:48,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:48,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:48,662 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:48,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 23:58:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:53,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:53,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:53,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:53,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-02 23:58:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:53,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:53,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:53,943 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:53,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-02 23:58:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:59,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:59,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:58:59,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:59,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-02 23:58:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:58:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:58:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:58:59,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:59,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:59,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:59,922 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:59,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-02 23:59:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:04,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:05,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:05,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:05,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-02 23:59:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:05,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:05,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:05,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:05,147 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-02 23:59:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:10,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:10,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:10,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:11,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-02 23:59:11,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:11,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:11,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:11,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:11,060 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:11,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-02 23:59:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:16,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:16,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:16,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:16,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-02 23:59:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:16,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:16,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:16,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:16,684 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:16,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-02 23:59:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:21,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:21,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:21,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:21,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-02 23:59:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:21,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:21,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:21,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:21,701 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:21,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-02 23:59:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:27,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:27,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:27,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:27,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-02 23:59:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:27,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:27,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:27,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:27,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:27,675 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:27,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-02 23:59:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:33,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:33,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:33,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:33,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-02 23:59:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:33,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:33,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:33,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:33,642 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:33,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-02 23:59:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:39,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:39,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:39,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:39,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-02 23:59:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:39,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:39,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:39,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:39,743 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:39,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-02 23:59:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:45,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:45,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:45,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:45,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-02 23:59:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:45,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:45,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:45,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:45,574 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:45,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-02 23:59:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:50,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:51,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:51,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:51,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-02 23:59:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:51,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:51,315 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:51,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-02 23:59:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:57,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:57,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:57,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:57,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-02 23:59:57,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-02 23:59:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:59:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:59:57,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:57,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:57,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:57,921 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:57,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-03 00:00:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:03,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:04,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:04,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:04,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-03 00:00:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:04,268 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:04,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:04,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:04,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:04,269 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:04,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-03 00:00:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:09,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:10,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:10,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:10,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2023-12-03 00:00:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:10,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:10,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:10,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:10,362 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:10,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-03 00:00:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:16,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:16,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:16,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:16,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-03 00:00:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:16,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:16,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:16,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:16,806 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:16,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-03 00:00:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:23,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:23,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:23,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:23,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-03 00:00:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:23,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:23,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:23,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:23,492 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:23,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-03 00:00:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:29,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:29,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:29,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:29,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-03 00:00:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:30,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:30,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:30,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:30,004 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:30,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-03 00:00:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:36,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:36,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:36,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:36,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-03 00:00:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:36,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:36,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:36,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:36,787 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:36,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-03 00:00:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:43,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:43,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:43,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:43,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-03 00:00:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:43,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:43,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:43,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:43,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:43,685 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:43,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-03 00:00:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:49,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:50,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:50,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:50,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-03 00:00:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:50,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:50,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:50,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:50,211 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:50,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-03 00:00:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:56,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:56,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:00:56,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:57,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:00:57,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2023-12-03 00:00:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:00:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:00:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:00:57,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:57,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:57,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:57,069 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:57,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-03 00:01:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:03,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:03,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:03,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:03,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-03 00:01:03,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:03,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:03,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:03,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:03,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:03,993 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:03,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-03 00:01:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:10,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:10,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:10,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:10,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-03 00:01:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:10,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:10,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:10,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:10,678 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:10,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-03 00:01:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:17,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:17,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:17,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:17,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-03 00:01:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:17,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:17,683 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:17,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:17,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:17,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:17,684 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:17,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-03 00:01:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:24,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:24,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:24,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:24,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-03 00:01:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:24,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:24,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:24,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:24,586 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:24,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-03 00:01:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:31,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:31,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:31,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:31,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-03 00:01:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:31,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:31,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:31,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:31,394 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:31,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-03 00:01:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:37,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:38,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:38,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:38,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-03 00:01:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:38,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:38,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:38,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:38,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:38,367 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:38,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-03 00:01:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:45,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:45,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:45,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:45,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-03 00:01:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:45,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:45,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:45,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:45,591 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:45,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-03 00:01:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:52,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:01:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:52,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:01:52,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:01:52,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-03 00:01:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 00:01:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 00:01:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:01:52,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:52,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:52,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:52,648 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:52,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9edbcb-c18a-484a-9045-2785ae1d9af8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process