./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:51:55,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:51:55,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:51:55,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:51:55,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:51:55,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:51:55,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:51:55,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:51:55,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:51:55,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:51:55,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:51:55,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:51:55,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:51:55,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:51:55,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:51:55,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:51:55,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:51:55,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:51:55,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:51:55,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:51:55,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:51:55,112 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:51:55,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:51:55,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:51:55,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:51:55,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:51:55,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:51:55,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:51:55,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:51:55,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:51:55,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:51:55,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:51:55,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:51:55,117 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-12-03 02:51:55,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:51:55,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:51:55,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:51:55,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:51:55,363 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:51:55,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 02:51:58,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:51:58,374 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:51:58,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 02:51:58,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data/469ec49fd/13daf8752f5f4aeba8cb5a6a6f4c3eca/FLAG2ceecc590 [2023-12-03 02:51:58,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data/469ec49fd/13daf8752f5f4aeba8cb5a6a6f4c3eca [2023-12-03 02:51:58,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:51:58,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:51:58,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:51:58,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:51:58,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:51:58,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:51:58" (1/1) ... [2023-12-03 02:51:58,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc217ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:58, skipping insertion in model container [2023-12-03 02:51:58,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:51:58" (1/1) ... [2023-12-03 02:51:58,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:51:58,830 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2023-12-03 02:51:58,928 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2023-12-03 02:51:58,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:51:58,946 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:51:58,979 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2023-12-03 02:51:59,030 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2023-12-03 02:51:59,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:51:59,068 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:59,073 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:51:59,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59 WrapperNode [2023-12-03 02:51:59,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:51:59,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:51:59,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:51:59,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:51:59,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,165 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-12-03 02:51:59,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:51:59,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:51:59,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:51:59,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:51:59,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:51:59,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:51:59,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:51:59,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:51:59,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:59" (1/1) ... [2023-12-03 02:51:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:51:59,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:51:59,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:51:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:51:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:51:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:51:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:51:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:51:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:51:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:51:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 02:51:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 02:51:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:51:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:51:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:51:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:51:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:51:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:51:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:51:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:51:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:51:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:51:59,574 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:51:59,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:52:01,877 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:52:03,308 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:52:03,308 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-12-03 02:52:03,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:52:03 BoogieIcfgContainer [2023-12-03 02:52:03,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:52:03,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:52:03,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:52:03,320 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:52:03,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:52:03" (1/1) ... [2023-12-03 02:52:03,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:52:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 156 states and 267 transitions. [2023-12-03 02:52:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 267 transitions. [2023-12-03 02:52:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:52:03,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:03,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 156 states and 262 transitions. [2023-12-03 02:52:03,575 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2023-12-03 02:52:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:52:03,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:03,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:03,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 156 states and 259 transitions. [2023-12-03 02:52:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2023-12-03 02:52:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:52:03,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:03,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 158 states and 258 transitions. [2023-12-03 02:52:03,895 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 258 transitions. [2023-12-03 02:52:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:52:03,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:03,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:03,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:03,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 158 states and 254 transitions. [2023-12-03 02:52:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 254 transitions. [2023-12-03 02:52:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:52:03,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:04,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:04,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:04,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 158 states and 248 transitions. [2023-12-03 02:52:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 248 transitions. [2023-12-03 02:52:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:52:04,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:04,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:04,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:04,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:14,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 158 states and 242 transitions. [2023-12-03 02:52:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 242 transitions. [2023-12-03 02:52:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:52:14,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:14,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:14,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:52:14,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:24,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:35,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:45,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:55,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 171 states and 257 transitions. [2023-12-03 02:52:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 257 transitions. [2023-12-03 02:52:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:52:55,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:55,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:55,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:55,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 255 transitions. [2023-12-03 02:52:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-12-03 02:52:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:52:55,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:55,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:55,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:55,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:52:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 171 states and 253 transitions. [2023-12-03 02:52:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2023-12-03 02:52:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:52:55,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:55,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:55,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:55,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:53:05,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2023-12-03 02:53:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2023-12-03 02:53:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:53:05,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:05,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:06,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:53:06,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:16,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:26,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:36,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:46,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:46,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 174 states and 253 transitions. [2023-12-03 02:53:46,256 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-12-03 02:53:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:53:46,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:53:56,537 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:53:56,541 INFO L158 Benchmark]: Toolchain (without parser) took 118133.84ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 123.3MB in the beginning and 141.6MB in the end (delta: -18.3MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-12-03 02:53:56,541 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:53:56,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.19ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 89.3MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 02:53:56,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.82ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 80.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:53:56,543 INFO L158 Benchmark]: Boogie Preprocessor took 106.62ms. Allocated memory is still 157.3MB. Free memory was 80.9MB in the beginning and 71.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:53:56,544 INFO L158 Benchmark]: RCFGBuilder took 4035.73ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 71.7MB in the beginning and 116.5MB in the end (delta: -44.8MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-12-03 02:53:56,544 INFO L158 Benchmark]: CodeCheck took 113229.23ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 115.5MB in the beginning and 141.6MB in the end (delta: -26.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-12-03 02:53:56,548 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.19ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 89.3MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.82ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 80.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.62ms. Allocated memory is still 157.3MB. Free memory was 80.9MB in the beginning and 71.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4035.73ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 71.7MB in the beginning and 116.5MB in the end (delta: -44.8MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * CodeCheck took 113229.23ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 115.5MB in the beginning and 141.6MB in the end (delta: -26.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:53:56,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:53:58,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:53:58,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:53:58,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:53:58,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:53:58,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:53:58,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:53:58,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:53:58,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:53:58,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:53:58,477 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:53:58,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:53:58,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:53:58,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:53:58,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:53:58,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:53:58,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:53:58,480 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:53:58,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:53:58,481 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:53:58,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:53:58,482 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:53:58,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:53:58,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:53:58,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:53:58,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:58,484 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:53:58,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:53:58,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:53:58,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:53:58,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:53:58,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:53:58,487 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:53:58,487 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:58,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:53:58,488 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:53:58,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:53:58,489 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-12-03 02:53:58,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:53:58,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:53:58,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:53:58,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:53:58,822 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:53:58,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 02:54:01,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:54:01,845 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:54:01,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 02:54:01,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data/d79cf8769/811a602874984744a4160e05cc070946/FLAG774c627c1 [2023-12-03 02:54:01,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/data/d79cf8769/811a602874984744a4160e05cc070946 [2023-12-03 02:54:01,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:54:01,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:54:01,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:54:01,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:54:01,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:54:01,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:54:01" (1/1) ... [2023-12-03 02:54:01,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5670b103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:01, skipping insertion in model container [2023-12-03 02:54:01,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:54:01" (1/1) ... [2023-12-03 02:54:01,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:54:02,319 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2023-12-03 02:54:02,421 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2023-12-03 02:54:02,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:54:02,441 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:54:02,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:54:02,476 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2023-12-03 02:54:02,533 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2023-12-03 02:54:02,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:54:02,540 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:54:02,568 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2023-12-03 02:54:02,619 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_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2023-12-03 02:54:02,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:54:02,660 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:54:02,666 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:54:02,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02 WrapperNode [2023-12-03 02:54:02,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:54:02,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:54:02,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:54:02,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:54:02,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,755 INFO L138 Inliner]: procedures = 180, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2023-12-03 02:54:02,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:54:02,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:54:02,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:54:02,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:54:02,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:54:02,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:54:02,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:54:02,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:54:02,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:54:02" (1/1) ... [2023-12-03 02:54:02,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:54:02,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:54:02,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:54:02,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:54:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:54:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:54:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:54:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:54:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:54:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:54:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 02:54:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:54:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:54:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:54:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:54:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:54:03,122 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:54:03,124 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:54:18,528 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:54:18,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:54:18,956 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-12-03 02:54:18,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:54:18 BoogieIcfgContainer [2023-12-03 02:54:18,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:54:18,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:54:18,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:54:18,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:54:18,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:54:18" (1/1) ... [2023-12-03 02:54:18,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:54:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 156 states and 267 transitions. [2023-12-03 02:54:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 267 transitions. [2023-12-03 02:54:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:54:19,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:19,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:19,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:19,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:19,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:54:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:19,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:19,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:19,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:19,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 156 states and 262 transitions. [2023-12-03 02:54:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2023-12-03 02:54:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:54:19,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:19,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:19,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:19,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:54:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:19,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:19,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:19,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:19,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:54:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 156 states and 259 transitions. [2023-12-03 02:54:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2023-12-03 02:54:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:54:19,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:19,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:20,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:20,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:54:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:20,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:20,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:20,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:20,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:54:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 156 states and 255 transitions. [2023-12-03 02:54:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 255 transitions. [2023-12-03 02:54:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:54:20,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:20,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:20,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:20,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:54:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:20,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:20,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:20,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:20,726 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:54:20,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:54:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:20,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 156 states and 251 transitions. [2023-12-03 02:54:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 251 transitions. [2023-12-03 02:54:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:54:20,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:20,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:20,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:20,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:20,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:54:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:21,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:21,070 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:54:21,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 156 states and 249 transitions. [2023-12-03 02:54:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 249 transitions. [2023-12-03 02:54:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:54:21,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:21,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:21,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:21,080 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:21,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:54:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:21,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:21,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:54:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 156 states and 243 transitions. [2023-12-03 02:54:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 243 transitions. [2023-12-03 02:54:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:54:21,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:21,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:21,502 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:21,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:54:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:21,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:21,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:54:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 156 states and 241 transitions. [2023-12-03 02:54:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2023-12-03 02:54:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:54:21,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:21,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:21,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:21,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:21,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:54:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:22,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:22,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:54:22,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:22,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:54:22,366 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:54:22,367 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:54:22,374 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 [2023-12-03 02:54:22,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:54:22,452 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 [2023-12-03 02:54:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:22,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:54:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 158 states and 244 transitions. [2023-12-03 02:54:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 244 transitions. [2023-12-03 02:54:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:54:22,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:22,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:22,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:22,743 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:22,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:54:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:23,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:23,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:23,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:23,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:54:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 158 states and 238 transitions. [2023-12-03 02:54:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 238 transitions. [2023-12-03 02:54:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:54:23,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:23,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:23,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:23,935 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:23,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:54:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:24,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:24,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:24,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:24,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:54:24,750 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:54:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 171 states and 253 transitions. [2023-12-03 02:54:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2023-12-03 02:54:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:54:26,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:26,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:26,735 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:26,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:54:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:27,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:27,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:27,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:27,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:54:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2023-12-03 02:54:27,293 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2023-12-03 02:54:27,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:54:27,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:27,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:27,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:27,295 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:27,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:54:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:27,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:27,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:27,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:27,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:54:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 171 states and 249 transitions. [2023-12-03 02:54:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 249 transitions. [2023-12-03 02:54:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:54:27,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:27,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:27,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:27,985 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:27,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:54:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:28,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:28,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:54:28,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:54:28,675 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:54:28,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:28,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 171 states and 247 transitions. [2023-12-03 02:54:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 247 transitions. [2023-12-03 02:54:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:54:28,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:28,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:28,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:28,686 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:28,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:54:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:29,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:29,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:29,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:29,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:54:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:29,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:29,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:29,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:29,533 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:29,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:54:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:30,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:30,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:30,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:30,500 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 02:54:30,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:54:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:30,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:30,604 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:30,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:30,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:30,605 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:30,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:54:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:31,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:31,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:31,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:31,535 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 02:54:31,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:31,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:31,552 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:31,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:54:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:32,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:32,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:32,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:32,593 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 02:54:32,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:54:32,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:32,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:32,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:32,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:32,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:32,622 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:32,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:54:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:33,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:33,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:33,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:33,744 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 02:54:33,750 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:54:33,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:54:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:33,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:33,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:33,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:33,764 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:33,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:54:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:34,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:34,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:34,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:34,905 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 02:54:34,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:54:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:34,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:34,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:34,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:34,927 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:34,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:54:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:35,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:35,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:35,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:35,990 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 02:54:35,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:36,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:36,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:36,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:36,005 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:36,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:54:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:36,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:37,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:37,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:37,031 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 02:54:37,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:37,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:37,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:37,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:37,047 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:37,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:54:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:37,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:38,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:38,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:38,187 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 02:54:38,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:54:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:38,203 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:38,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:38,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:38,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:38,205 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:38,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:54:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:39,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:39,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:39,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:39,386 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 02:54:39,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:39,404 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:39,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:39,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:39,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:39,406 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:39,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:54:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:40,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:40,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:40,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:40,702 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 02:54:40,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:54:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:40,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:40,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:40,726 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:40,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:54:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:41,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:42,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:42,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:42,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:54:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:42,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:42,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:42,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:42,028 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:42,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:54:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:42,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:43,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:43,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:43,255 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 02:54:43,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:54:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:43,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:43,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:43,278 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:43,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:54:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:44,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:44,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:44,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:44,670 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 02:54:44,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:54:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:44,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:44,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:44,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:44,692 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:44,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:54:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:45,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:46,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:46,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:46,091 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 02:54:46,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:54:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:46,113 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:46,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:46,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:46,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:46,115 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:46,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:54:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:47,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:47,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:47,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:47,567 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 02:54:47,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:47,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:47,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:47,595 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:47,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:54:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:48,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:49,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:49,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:49,061 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 02:54:49,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:49,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:49,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:49,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:49,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:49,085 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:49,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:54:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:50,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:50,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:50,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:50,558 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 02:54:50,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:54:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:50,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:50,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:50,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:50,584 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:50,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:54:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:51,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:52,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:52,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:52,035 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 02:54:52,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:54:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:52,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:52,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:52,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:52,060 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:52,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:54:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:53,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:53,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:53,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:53,599 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 02:54:53,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:54:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:53,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:53,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:53,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:53,628 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:53,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:54:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:55,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:55,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:55,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:55,379 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 02:54:55,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:54:55,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:55,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:55,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:55,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:55,407 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:55,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:54:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:56,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:57,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:57,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:57,024 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 02:54:57,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:54:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:57,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:57,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:57,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:57,052 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:57,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:54:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:58,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:58,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:58,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:58,571 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 02:54:58,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:54:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:54:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:54:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:54:58,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:58,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:58,602 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:58,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:54:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:59,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:00,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:00,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:00,199 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 02:55:00,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:00,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:00,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:00,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:00,227 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:00,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:55:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:01,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:01,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:01,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:01,750 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 02:55:01,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:55:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:01,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:01,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:01,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:01,782 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:01,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:55:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:03,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:03,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:03,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:03,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:55:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:03,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:03,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:03,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:03,427 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:03,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:55:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:04,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:05,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:05,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:05,193 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 02:55:05,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:55:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:05,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:05,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:05,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:05,226 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:05,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:55:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:06,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:07,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:07,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:07,036 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 02:55:07,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:55:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:07,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:07,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:07,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:07,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:07,068 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:55:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:08,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:08,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:08,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:08,889 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 02:55:08,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:55:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:08,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:08,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:08,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:08,924 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:08,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:55:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:10,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:10,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:10,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:10,879 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 02:55:10,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:10,915 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:10,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:10,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:10,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:10,917 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:10,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:55:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:12,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:12,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:12,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:12,866 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 02:55:12,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:12,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:12,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:12,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:12,901 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:12,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:55:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:14,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:14,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:14,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:14,863 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 02:55:14,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:55:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:14,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:14,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:14,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:14,901 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:14,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:55:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:16,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:16,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:16,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:16,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:55:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:16,928 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:16,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:16,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:16,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:16,930 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:16,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:55:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:18,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:18,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:18,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:18,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:18,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:18,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:18,959 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:18,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:55:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:20,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:20,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:20,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:20,973 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 02:55:21,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:55:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:21,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:21,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:21,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:21,014 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:21,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:55:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:22,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:22,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:22,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:22,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:55:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:22,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:22,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:22,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:22,916 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:22,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:55:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:24,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:25,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:25,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:25,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:55:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:25,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:25,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:25,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:25,070 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:25,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:55:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:27,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:27,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:27,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:27,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:55:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:27,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:27,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:27,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:27,358 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:27,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:55:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:29,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:29,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:29,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:29,504 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 02:55:29,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:55:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:29,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:29,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:29,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:29,544 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:29,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:55:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:31,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:31,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:31,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:31,856 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 02:55:31,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:55:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:31,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:31,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:31,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:31,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:31,898 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:31,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:55:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:33,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:34,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:34,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:34,261 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 02:55:34,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:55:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:34,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:34,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:34,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:34,301 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:34,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:55:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:36,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:36,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:36,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:36,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:55:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:36,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:36,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:36,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:36,680 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:36,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:55:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:38,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:38,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:38,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:38,994 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 02:55:39,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:39,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:39,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:39,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:39,036 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:39,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:55:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:41,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:41,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:41,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:41,355 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 02:55:41,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:55:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:41,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:41,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:41,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:41,398 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:41,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:55:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:43,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:43,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:43,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:43,747 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 02:55:43,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:55:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:43,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:43,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:43,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:43,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:43,790 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:43,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:55:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:46,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:46,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:46,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:46,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:55:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:46,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:46,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:46,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:46,372 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:46,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:55:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:48,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:48,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:48,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:48,841 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 02:55:48,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:55:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:48,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:48,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:48,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:48,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:48,887 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:48,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:55:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:51,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:51,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:51,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:51,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:51,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:51,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:51,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:51,484 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:51,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:55:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:53,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:54,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:54,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:54,010 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 02:55:54,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:55:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:54,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:54,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:54,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:54,039 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:54,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:55:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:56,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:56,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:56,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:56,628 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 02:55:56,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:55:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:56,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:56,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:56,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:56,659 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:56,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:55:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:58,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:59,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:59,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:59,156 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 02:55:59,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:55:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:55:59,183 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:55:59,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:55:59,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:59,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:59,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:59,184 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:59,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:56:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:01,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:01,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:01,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:01,621 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 02:56:01,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:56:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:01,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:01,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:01,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:01,652 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:01,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:56:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:04,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:04,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:04,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:04,367 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 02:56:04,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:56:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:04,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:04,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:04,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:04,399 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:04,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:56:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:06,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:06,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:06,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:06,916 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 02:56:06,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:56:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:06,946 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:06,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:06,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:06,948 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:06,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:56:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:09,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:09,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:09,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:09,554 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 02:56:09,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:56:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:09,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:09,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:09,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:09,588 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:09,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:56:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:12,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:12,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:12,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:12,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:56:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:12,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:12,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:12,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:12,467 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:12,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:56:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:14,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:15,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:15,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:15,264 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 02:56:15,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-03 02:56:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:15,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:15,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:15,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:15,293 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:56:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:18,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:18,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:18,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:18,319 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 02:56:18,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 02:56:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:18,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:18,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:18,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:18,348 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:18,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:56:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:20,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:21,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:21,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:21,245 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 02:56:21,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:56:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:21,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:21,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:21,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:21,277 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:21,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:56:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:23,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:24,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:24,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:24,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:56:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:24,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:24,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:24,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:24,376 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:24,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:56:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:27,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:27,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:27,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:27,650 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 02:56:27,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:56:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:27,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:27,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:27,686 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:27,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:56:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:30,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:30,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:30,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:30,765 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 02:56:30,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-03 02:56:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:30,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:30,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:30,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:30,797 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:30,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:56:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:33,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:33,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:33,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:33,951 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 02:56:33,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:56:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:33,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:33,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:33,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:33,989 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:33,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:56:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:37,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:37,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:37,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:37,406 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 02:56:37,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:56:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:37,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:37,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:37,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:37,442 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:37,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:56:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:40,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:41,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:41,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:41,085 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 02:56:41,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:56:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:41,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:41,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:41,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:41,123 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:41,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:56:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:44,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:44,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:44,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:44,591 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 02:56:44,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2023-12-03 02:56:44,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:44,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:44,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:44,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:44,629 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:44,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:56:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:47,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:48,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:48,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:48,111 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 02:56:48,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:56:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:48,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:48,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:48,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:48,149 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:48,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:56:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:51,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:51,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:51,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:51,469 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 02:56:51,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:56:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:51,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:51,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:51,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:51,506 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:51,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:56:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:54,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:55,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:55,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:55,073 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 02:56:55,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:56:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:55,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:55,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:55,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:55,116 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:55,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:56:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:58,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:58,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:58,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:58,814 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 02:56:58,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:56:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:56:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:56:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:56:58,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:58,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:58,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:58,852 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:58,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:57:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:02,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:02,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:02,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:02,598 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 02:57:02,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:57:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:02,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:02,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:02,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:02,638 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:02,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:57:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:05,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:06,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:06,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:06,200 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 02:57:06,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:57:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:06,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:06,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:06,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:06,241 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:06,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:57:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:09,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:10,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:10,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:10,106 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 02:57:10,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:57:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:10,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:10,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:10,146 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:10,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:57:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:13,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:13,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:13,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:13,792 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 02:57:13,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-03 02:57:13,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:13,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:13,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:13,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:13,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:13,831 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:13,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:57:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:17,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:17,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:17,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:17,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:57:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:17,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:17,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:17,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:17,477 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:17,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:57:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:20,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:21,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:21,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:21,173 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 02:57:21,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:57:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:21,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:21,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:21,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:21,215 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:21,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:57:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:24,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:25,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:25,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:25,126 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 02:57:25,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:57:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:25,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:25,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:25,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:25,168 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:25,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:57:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:28,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:28,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:28,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:28,949 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 02:57:28,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:57:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:28,991 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:28,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:28,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:28,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:28,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:28,992 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:28,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:57:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:32,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:32,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:32,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:32,842 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 02:57:32,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:57:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:32,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:32,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:32,885 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:32,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:57:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:36,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:36,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:36,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:36,975 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 02:57:37,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:57:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:37,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:37,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:37,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:37,019 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:37,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:57:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:40,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:41,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:41,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:41,032 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 02:57:41,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:57:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:41,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:41,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:41,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:41,075 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:41,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:57:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:44,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:44,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:44,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:44,837 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 02:57:44,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:57:44,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:44,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:44,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:44,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:44,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:44,882 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:44,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:57:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:48,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:48,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:48,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:48,596 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 02:57:48,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:57:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:48,632 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:48,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:48,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:48,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:48,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:48,633 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:48,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:57:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:52,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:52,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:52,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:52,797 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 02:57:52,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:57:52,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:52,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:52,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:52,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:52,842 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:52,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:57:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:56,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:56,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:57,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:57,010 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 02:57:57,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:57:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:57:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:57:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:57:57,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:57,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:57,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:57,053 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:57,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:58:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:01,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:01,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:01,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:01,473 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 02:58:01,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:58:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:01,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:01,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:01,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:01,519 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:01,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:58:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:05,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:05,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:05,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:05,583 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 02:58:05,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:58:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:05,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:05,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:05,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:05,625 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:05,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:58:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:09,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:09,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:09,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:09,526 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 02:58:09,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:58:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:09,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:09,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:09,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:09,571 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:09,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:58:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:13,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:13,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:13,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:58:13,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:58:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:13,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:13,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:13,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:13,747 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:13,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:58:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:17,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:17,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:17,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:17,760 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 02:58:17,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:58:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:17,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:17,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:17,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:17,804 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:17,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:58:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:21,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:21,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:21,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:21,818 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 02:58:21,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:58:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:21,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:21,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:21,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:21,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:21,866 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:21,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:58:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:25,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:26,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:26,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:26,276 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 02:58:26,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:58:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:26,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:26,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:26,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:26,324 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:26,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:58:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:30,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:30,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:30,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:30,618 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 02:58:30,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:58:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:30,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:30,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:30,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:30,665 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:30,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:58:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:34,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:35,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:35,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:35,303 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 02:58:35,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:58:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:35,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:35,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:35,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:35,350 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:35,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:58:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:39,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:39,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:39,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:39,386 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 02:58:39,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:58:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:39,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:39,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:39,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:39,434 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:39,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:58:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:43,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:43,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:43,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:43,647 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 02:58:43,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:58:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:43,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:43,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:43,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:43,691 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:43,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:58:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:47,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:48,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:48,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:48,337 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 02:58:48,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:58:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:48,384 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:48,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:48,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:48,385 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:48,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:58:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:52,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:52,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:52,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:52,836 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 02:58:52,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:58:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:52,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:52,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:52,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:52,881 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:52,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:58:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:56,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:57,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:57,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:58:57,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:58:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:58:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:58:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:58:57,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:57,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:57,169 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:57,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:59:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:01,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:01,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:01,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:01,324 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 02:59:01,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:59:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:01,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:01,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:01,371 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:01,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:59:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:05,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:05,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:05,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:05,640 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 02:59:05,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:59:05,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:05,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:05,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:05,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:05,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:05,687 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:05,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:59:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:09,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:09,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:09,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:09,622 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 02:59:09,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:59:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:09,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:09,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:09,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:09,668 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:09,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:59:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:13,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:14,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:14,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:14,274 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 02:59:14,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:59:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:14,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:14,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:14,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:14,321 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:59:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:18,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:18,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:18,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:18,722 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 02:59:18,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:59:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:18,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:18,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:18,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:18,766 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:18,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:59:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:23,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:23,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:23,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:59:23,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2023-12-03 02:59:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:23,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:23,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:23,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:23,392 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:23,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:59:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:27,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:28,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:28,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:28,191 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 02:59:28,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:59:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:28,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:28,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:28,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:28,237 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:28,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:59:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:32,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:33,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:33,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:33,051 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 02:59:33,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 02:59:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:33,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:33,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:33,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:33,100 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:33,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:59:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:37,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:37,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:37,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:37,465 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 02:59:37,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 02:59:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:37,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:37,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:37,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:37,513 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:37,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:59:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:41,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:42,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:42,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:42,071 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 02:59:42,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:59:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:42,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:42,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:42,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:42,128 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:42,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:59:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:46,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:47,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:47,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:59:47,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:59:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:47,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:47,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:47,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:47,145 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:47,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:59:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:51,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:51,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:51,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:51,446 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 02:59:51,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:59:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:51,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:51,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:51,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:51,495 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:51,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:59:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:55,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:55,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:55,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:55,817 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 02:59:55,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 02:59:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:55,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 02:59:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 02:59:55,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:59:55,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:55,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:55,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:55,868 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:55,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 03:00:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:00,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:00,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:00,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:00,625 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 03:00:00,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 03:00:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:00,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:00,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:00,674 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:00,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 03:00:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:05,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:05,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:05,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:05,423 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 03:00:05,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 03:00:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:05,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:05,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:05,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:05,474 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:05,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 03:00:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:09,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:10,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:10,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:10,150 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 03:00:10,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 03:00:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:10,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:10,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:10,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:10,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:10,199 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:10,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 03:00:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:14,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:15,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:15,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:15,121 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 03:00:15,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 03:00:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:15,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:15,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:15,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:15,171 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:15,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 03:00:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:19,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:20,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:20,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:20,105 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 03:00:20,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2023-12-03 03:00:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:20,157 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:20,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:20,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:20,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:20,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:20,158 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:20,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 03:00:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:24,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:24,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:24,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:24,916 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 03:00:24,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 03:00:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:24,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:24,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:24,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:24,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:24,969 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:24,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 03:00:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:28,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:29,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:29,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:29,136 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 03:00:29,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 03:00:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:29,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:29,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:29,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:29,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:29,189 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:29,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 03:00:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:34,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:34,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:34,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:34,373 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 03:00:34,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 03:00:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:34,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:34,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:34,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:34,427 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:34,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 03:00:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:38,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:39,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:39,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:39,152 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 03:00:39,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 03:00:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:39,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:39,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:39,206 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:39,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 03:00:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:44,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:44,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:44,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:44,558 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 03:00:44,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 03:00:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:44,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:44,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:44,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:44,612 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:44,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 03:00:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:49,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:49,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:49,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:49,845 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 03:00:49,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 03:00:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:49,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:49,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:49,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:49,900 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:49,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 03:00:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:54,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:54,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:54,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:54,455 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 03:00:54,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 03:00:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:54,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:54,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:54,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:54,510 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:54,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 03:00:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:59,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:59,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:59,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:59,757 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 03:00:59,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 03:00:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:00:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:00:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:59,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:59,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:59,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:59,813 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:59,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 03:01:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:04,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:04,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:04,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:01:04,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 03:01:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:04,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:04,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:04,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:04,944 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:04,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 03:01:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:10,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:10,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:10,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:10,313 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 03:01:10,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 03:01:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:10,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:10,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:10,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:10,387 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:10,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 03:01:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:15,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:15,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:15,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:15,773 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 03:01:15,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 03:01:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:15,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:15,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:15,829 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:15,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 03:01:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:21,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:21,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:21,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:01:21,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 03:01:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:21,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:21,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:21,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:21,452 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:21,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 03:01:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:26,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:27,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:27,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:01:27,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 03:01:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:27,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:27,217 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:27,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:27,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:27,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:27,218 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:27,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 03:01:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:32,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:32,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:32,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:32,523 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 03:01:32,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 03:01:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:32,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:32,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:32,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:32,579 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:32,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 03:01:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:37,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:37,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:37,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:37,410 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 03:01:37,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 03:01:37,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:37,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:37,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:37,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:37,468 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:37,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 03:01:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:42,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:43,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:43,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:43,045 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 03:01:43,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 03:01:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:43,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:43,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:43,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:43,100 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:43,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 03:01:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:48,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:48,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:48,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:48,681 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 03:01:48,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 03:01:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:48,739 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:48,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:48,741 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:48,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 03:01:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:53,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:54,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:54,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:54,177 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 03:01:54,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 03:01:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:01:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:01:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:54,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:54,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:54,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:54,235 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:54,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 03:01:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:59,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:59,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:59,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:00,006 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 03:02:00,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 03:02:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:00,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:00,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:00,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:00,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:00,061 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:00,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 03:02:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:05,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:05,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:05,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:02:05,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 03:02:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:05,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:05,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:05,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:05,459 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:05,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 03:02:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:10,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:11,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:11,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:11,085 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 03:02:11,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 03:02:11,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:11,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:11,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:11,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:11,142 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:11,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 03:02:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:16,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:16,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:16,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:16,841 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 03:02:16,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 03:02:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:16,900 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:16,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:16,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:16,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:16,901 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:16,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 03:02:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:22,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:22,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:22,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:22,600 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 03:02:22,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 03:02:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:22,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:22,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:22,656 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:22,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-03 03:02:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:28,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:28,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:28,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:28,730 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 03:02:28,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-03 03:02:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:28,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:28,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:28,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:28,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:28,790 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:28,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-03 03:02:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:34,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:34,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:34,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:34,417 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 03:02:34,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-03 03:02:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:34,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:34,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:34,478 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:34,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-03 03:02:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:39,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:40,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:40,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:40,199 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 03:02:40,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-03 03:02:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:40,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:40,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:40,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:40,262 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:40,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-03 03:02:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:45,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:45,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:45,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:45,560 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 03:02:45,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-03 03:02:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:45,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:45,624 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:45,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-03 03:02:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:51,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:51,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:51,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:51,598 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 03:02:51,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-03 03:02:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:51,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:51,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:51,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:51,662 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:51,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-03 03:02:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:56,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:57,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:57,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:57,227 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 03:02:57,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-03 03:02:57,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:02:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:02:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:57,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:57,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:57,289 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:57,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-03 03:03:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:03,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:03,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:03,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:03,451 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 03:03:03,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2023-12-03 03:03:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:03,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:03,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:03,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:03,514 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:03,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-03 03:03:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:09,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:09,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:09,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:09,483 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 03:03:09,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-03 03:03:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:09,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:09,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:09,547 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:09,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-03 03:03:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:15,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:15,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:15,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:15,363 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 03:03:15,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-03 03:03:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:15,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:15,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:15,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:15,426 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:15,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-03 03:03:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:21,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:21,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:21,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:03:21,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-03 03:03:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:21,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:21,488 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:21,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-03 03:03:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:27,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:27,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:27,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:27,900 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 03:03:27,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-03 03:03:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:27,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:27,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:27,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:27,965 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:27,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-03 03:03:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:33,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:34,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:34,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:34,150 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 03:03:34,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-03 03:03:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:34,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:34,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:34,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:34,216 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:34,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-03 03:03:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:40,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:40,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:40,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:40,647 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 03:03:40,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-03 03:03:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:40,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:40,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:40,712 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:40,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-03 03:03:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:46,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:47,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:47,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:47,023 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 03:03:47,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-03 03:03:47,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:47,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:47,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:47,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:47,089 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:47,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-03 03:03:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:52,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:53,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:53,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:53,105 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 03:03:53,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-03 03:03:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:53,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:53,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:53,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:53,172 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:53,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-03 03:03:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:59,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:03:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:59,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:59,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:59,756 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 03:03:59,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-03 03:03:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:03:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:03:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:03:59,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:59,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:59,822 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:59,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-03 03:04:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:05,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:06,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:06,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:06,130 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 03:04:06,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-03 03:04:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:06,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:06,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:06,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:06,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:06,201 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:06,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-03 03:04:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:12,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:12,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:12,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:12,760 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 03:04:12,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2023-12-03 03:04:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:12,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:12,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:12,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:12,823 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:12,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-03 03:04:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:18,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:18,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:18,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:04:18,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2023-12-03 03:04:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:18,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:18,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:18,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:18,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:18,575 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:18,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-03 03:04:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:24,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:25,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:25,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:25,158 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 03:04:25,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-03 03:04:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:25,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:25,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:25,227 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:25,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-03 03:04:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:31,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:31,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:31,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:31,528 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 03:04:31,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-03 03:04:31,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:31,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:31,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:31,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:31,596 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:31,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-03 03:04:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:37,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:37,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:37,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:37,885 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 03:04:37,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-03 03:04:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:37,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:37,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:37,954 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:37,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-03 03:04:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:44,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:44,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:44,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:44,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:04:44,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-03 03:04:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:44,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:44,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:44,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:44,617 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:44,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-03 03:04:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:50,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:50,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:50,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:04:50,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-03 03:04:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:50,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:50,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:50,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:50,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:50,994 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:50,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-03 03:04:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:57,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:57,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:57,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:57,440 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 03:04:57,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-03 03:04:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:04:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:04:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:04:57,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:57,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:57,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:57,511 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:57,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-03 03:05:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:03,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:05:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:03,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:05:03,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:04,005 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 03:05:04,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-03 03:05:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:04,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:05:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:05:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:05:04,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:04,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:05:04,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:05:04,076 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:05:04,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-03 03:05:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:10,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:05:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:10,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:05:10,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:10,778 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 03:05:10,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-03 03:05:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:05:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:05:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:05:10,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:10,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:05:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:05:10,844 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:05:10,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-03 03:05:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:17,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:05:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:17,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:05:17,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:17,313 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 03:05:17,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-03 03:05:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:05:17,378 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:05:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:05:17,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:17,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:05:17,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:05:17,379 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:05:17,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-03 03:05:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:23,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:05:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:24,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:05:24,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:05:24,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2023-12-03 03:05:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 174 states and 249 transitions. [2023-12-03 03:05:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:05:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:05:24,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:24,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:05:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:05:24,334 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:05:24,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f37e5b-f71a-4e5f-9eec-c84f63c03ca2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process