./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:49,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:49,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:00:49,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:00:49,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:00:49,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:49,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:49,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:49,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:49,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:49,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:49,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:49,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:00:49,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:00:49,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:00:49,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:49,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:49,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:49,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:49,109 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:00:49,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:49,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:49,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:49,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:49,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:49,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:49,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:49,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:49,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:49,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:49,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:00:49,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:00:49,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:49,116 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2023-12-03 00:00:49,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:49,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:49,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:49,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:49,339 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:49,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-12-03 00:00:52,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:00:52,412 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:00:52,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-12-03 00:00:52,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data/471b90056/f92a1dc6e21a46698f442501976c672e/FLAG1e39e6ba1 [2023-12-03 00:00:52,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data/471b90056/f92a1dc6e21a46698f442501976c672e [2023-12-03 00:00:52,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:00:52,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:00:52,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:52,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:00:52,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:00:52,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:52" (1/1) ... [2023-12-03 00:00:52,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78eadb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:52, skipping insertion in model container [2023-12-03 00:00:52,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:52" (1/1) ... [2023-12-03 00:00:52,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:00:53,080 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-12-03 00:00:53,092 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-12-03 00:00:53,181 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-12-03 00:00:53,182 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-12-03 00:00:53,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:53,205 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:00:53,265 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-12-03 00:00:53,267 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-12-03 00:00:53,332 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-12-03 00:00:53,333 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-12-03 00:00:53,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:53,395 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:53,402 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:00:53,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53 WrapperNode [2023-12-03 00:00:53,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:53,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:53,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:00:53,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:00:53,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,502 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-12-03 00:00:53,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:53,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:00:53,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:00:53,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:00:53,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:00:53,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:00:53,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:00:53,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:00:53,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:53,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:00:53,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:00:53,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:00:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:00:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:00:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:00:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:00:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 00:00:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 00:00:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:00:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:00:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:00:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:00:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:00:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:00:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 00:00:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 00:00:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:00:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 00:00:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 00:00:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:00:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:00:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:00:53,894 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:00:53,897 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:00:55,184 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:00:56,562 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:00:56,562 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:00:56,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:56 BoogieIcfgContainer [2023-12-03 00:00:56,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:00:56,565 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:00:56,565 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:00:56,576 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:00:56,576 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:56" (1/1) ... [2023-12-03 00:00:56,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:00:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-12-03 00:00:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-12-03 00:00:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:00:56,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:56,868 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 00:00:56,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 150 states and 239 transitions. [2023-12-03 00:00:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-12-03 00:00:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:00:56,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:56,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:57,043 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 00:00:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 152 states and 242 transitions. [2023-12-03 00:00:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-12-03 00:00:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:00:57,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:57,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:57,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:00:57,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:57,226 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 00:00:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-12-03 00:00:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-12-03 00:00:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:00:57,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:57,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:57,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:00:57,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:57,355 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 00:00:57,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 152 states and 231 transitions. [2023-12-03 00:00:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2023-12-03 00:00:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:00:57,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:57,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:00:57,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:57,507 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 00:01:07,532 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 00:01:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2023-12-03 00:01:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2023-12-03 00:01:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:01:07,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:07,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:08,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:01:08,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:08,233 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 00:01:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2023-12-03 00:01:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-12-03 00:01:08,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:01:08,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:08,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:08,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:01:08,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:01:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:08,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2023-12-03 00:01:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2023-12-03 00:01:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:01:08,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:08,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:01:08,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:08,947 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 00:01:19,313 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 00:01:29,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:01:39,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:01:49,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:01:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 170 states and 246 transitions. [2023-12-03 00:01:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 246 transitions. [2023-12-03 00:01:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:01:49,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:49,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:01:49,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:01:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:02:00,460 WARN L539 Checker$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 00:02:07,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:02:17,300 WARN L539 Checker$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 00:02:27,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:02:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:28,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2023-12-03 00:02:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2023-12-03 00:02:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:02:28,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:28,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:28,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:02:28,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:02:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:02:38,364 WARN L539 Checker$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 00:02:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 196 states and 291 transitions. [2023-12-03 00:02:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 291 transitions. [2023-12-03 00:02:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:02:38,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:38,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:02:38,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:02:38,731 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 00:02:48,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:02:58,772 WARN L539 Checker$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 00:03:08,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:03:18,823 WARN L539 Checker$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 00:03:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 199 states and 293 transitions. [2023-12-03 00:03:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 293 transitions. [2023-12-03 00:03:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:03:18,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:18,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:19,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:03:19,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 205 states and 305 transitions. [2023-12-03 00:03:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2023-12-03 00:03:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:03:19,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:19,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:03:19,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:03:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 203 states and 300 transitions. [2023-12-03 00:03:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 300 transitions. [2023-12-03 00:03:19,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:03:19,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:20,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:03:20,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:03:30,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:03:40,282 WARN L539 Checker$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 00:03:50,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:00,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 206 states and 302 transitions. [2023-12-03 00:04:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 302 transitions. [2023-12-03 00:04:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:04:00,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:00,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:00,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:04:00,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:04:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 219 states and 318 transitions. [2023-12-03 00:04:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 318 transitions. [2023-12-03 00:04:01,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 00:04:01,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:01,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:01,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:04:01,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 00:04:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 219 states and 316 transitions. [2023-12-03 00:04:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 316 transitions. [2023-12-03 00:04:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:04:01,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:01,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:01,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:04:01,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:01,868 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 11 treesize of output 7 [2023-12-03 00:04:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:04:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 221 states and 320 transitions. [2023-12-03 00:04:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 320 transitions. [2023-12-03 00:04:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:04:02,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:02,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:02,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:04:02,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:04:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 317 transitions. [2023-12-03 00:04:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 317 transitions. [2023-12-03 00:04:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 00:04:02,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:02,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:04:02,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 00:04:13,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:23,820 WARN L539 Checker$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 00:04:33,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:43,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 237 states and 348 transitions. [2023-12-03 00:04:44,994 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 348 transitions. [2023-12-03 00:04:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:04:44,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:44,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:45,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:04:45,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:04:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 243 states and 365 transitions. [2023-12-03 00:04:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 365 transitions. [2023-12-03 00:04:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:04:48,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:48,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:51,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:04:51,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:04:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 245 states and 369 transitions. [2023-12-03 00:04:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 369 transitions. [2023-12-03 00:04:52,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:04:52,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:52,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:05:03,152 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 00:05:03,155 INFO L158 Benchmark]: Toolchain (without parser) took 250704.34ms. Allocated memory was 151.0MB in the beginning and 260.0MB in the end (delta: 109.1MB). Free memory was 101.5MB in the beginning and 101.7MB in the end (delta: -146.7kB). Peak memory consumption was 110.4MB. Max. memory is 16.1GB. [2023-12-03 00:05:03,155 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:05:03,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 950.55ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 101.1MB in the beginning and 163.8MB in the end (delta: -62.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 00:05:03,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.12ms. Allocated memory is still 213.9MB. Free memory was 163.8MB in the beginning and 154.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:05:03,157 INFO L158 Benchmark]: Boogie Preprocessor took 115.57ms. Allocated memory is still 213.9MB. Free memory was 154.4MB in the beginning and 146.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:05:03,158 INFO L158 Benchmark]: RCFGBuilder took 2944.38ms. Allocated memory was 213.9MB in the beginning and 260.0MB in the end (delta: 46.1MB). Free memory was 146.0MB in the beginning and 76.8MB in the end (delta: 69.2MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. [2023-12-03 00:05:03,158 INFO L158 Benchmark]: CodeCheck took 246589.03ms. Allocated memory is still 260.0MB. Free memory was 76.8MB in the beginning and 101.7MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:05:03,161 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 0.15ms. Allocated memory is still 102.8MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 950.55ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 101.1MB in the beginning and 163.8MB in the end (delta: -62.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.12ms. Allocated memory is still 213.9MB. Free memory was 163.8MB in the beginning and 154.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.57ms. Allocated memory is still 213.9MB. Free memory was 154.4MB in the beginning and 146.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2944.38ms. Allocated memory was 213.9MB in the beginning and 260.0MB in the end (delta: 46.1MB). Free memory was 146.0MB in the beginning and 76.8MB in the end (delta: 69.2MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. * CodeCheck took 246589.03ms. Allocated memory is still 260.0MB. Free memory was 76.8MB in the beginning and 101.7MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:05:03,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:05:05,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:05:05,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:05:05,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:05:05,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:05:05,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:05:05,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:05:05,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:05:05,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:05:05,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:05:05,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:05:05,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:05:05,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:05:05,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:05:05,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:05:05,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:05:05,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:05:05,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:05:05,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:05:05,147 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:05:05,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:05:05,148 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:05:05,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:05:05,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:05:05,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:05:05,150 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:05,151 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:05:05,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:05:05,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:05:05,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:05:05,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:05:05,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:05:05,153 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:05:05,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:05,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:05:05,154 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:05:05,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:05:05,154 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2023-12-03 00:05:05,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:05:05,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:05:05,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:05:05,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:05:05,480 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:05:05,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-12-03 00:05:08,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:05:08,600 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:05:08,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-12-03 00:05:08,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data/871df9c41/7cb729637d3a49719db42adb807a25fa/FLAGd23b42566 [2023-12-03 00:05:08,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/data/871df9c41/7cb729637d3a49719db42adb807a25fa [2023-12-03 00:05:08,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:05:08,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:05:08,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:05:08,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:05:08,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:05:08,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:05:08" (1/1) ... [2023-12-03 00:05:08,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433cfd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:08, skipping insertion in model container [2023-12-03 00:05:08,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:05:08" (1/1) ... [2023-12-03 00:05:08,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:05:09,277 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-12-03 00:05:09,291 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-12-03 00:05:09,420 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-12-03 00:05:09,421 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-12-03 00:05:09,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:05:09,445 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:05:09,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:05:09,494 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-12-03 00:05:09,496 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-12-03 00:05:09,561 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-12-03 00:05:09,562 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-12-03 00:05:09,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:05:09,571 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:05:09,602 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-12-03 00:05:09,604 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-12-03 00:05:09,662 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-12-03 00:05:09,663 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_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-12-03 00:05:09,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:05:09,729 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:05:09,736 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:05:09,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09 WrapperNode [2023-12-03 00:05:09,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:05:09,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:05:09,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:05:09,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:05:09,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,829 INFO L138 Inliner]: procedures = 285, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1045 [2023-12-03 00:05:09,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:05:09,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:05:09,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:05:09,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:05:09,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:05:09,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:05:09,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:05:09,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:05:09,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:09" (1/1) ... [2023-12-03 00:05:09,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:05:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:05:09,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:05:09,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:05:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:05:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:05:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:05:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:05:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:05:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:05:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:05:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:05:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 00:05:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 00:05:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:05:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:05:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:05:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:05:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 00:05:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 00:05:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:05:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 00:05:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 00:05:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:05:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:05:10,227 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:05:10,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:05:17,104 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:05:17,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:05:17,499 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:05:17,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:05:17 BoogieIcfgContainer [2023-12-03 00:05:17,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:05:17,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:05:17,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:05:17,520 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:05:17,521 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:05:17" (1/1) ... [2023-12-03 00:05:17,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:05:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-12-03 00:05:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-12-03 00:05:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:05:17,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:17,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:17,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:17,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:05:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:17,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:17,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:17,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:17,956 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 00:05:17,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:05:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 150 states and 239 transitions. [2023-12-03 00:05:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-12-03 00:05:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:05:17,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:17,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:17,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:17,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:18,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:05:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:18,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:18,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:18,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:18,484 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 00:05:18,487 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:05:18,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:05:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 157 states and 249 transitions. [2023-12-03 00:05:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-12-03 00:05:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:05:18,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:18,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:18,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:18,774 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:18,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:05:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:19,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:19,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:19,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:19,108 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 00:05:19,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:05:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 157 states and 246 transitions. [2023-12-03 00:05:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2023-12-03 00:05:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:05:19,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:19,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:19,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:05:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:19,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:19,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:05:19,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:05:19,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2023-12-03 00:05:19,552 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:05:19,553 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:05:19,554 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:05:19,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 27 treesize of output 39 [2023-12-03 00:05:19,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:05:19,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2023-12-03 00:05:19,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:05:19,668 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 00:05:19,700 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 00:05:19,704 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:05:19,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:05:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 159 states and 248 transitions. [2023-12-03 00:05:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2023-12-03 00:05:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:05:20,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:20,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:20,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:20,601 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:20,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:05:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:20,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:21,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:21,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:21,007 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 00:05:21,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:05:21,012 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:05:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 159 states and 240 transitions. [2023-12-03 00:05:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 240 transitions. [2023-12-03 00:05:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:05:21,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:21,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:21,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:21,023 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:21,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:05:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:21,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:21,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:21,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:21,469 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 00:05:21,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:05:21,474 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:05:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 159 states and 238 transitions. [2023-12-03 00:05:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2023-12-03 00:05:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:05:21,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:21,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:21,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:21,481 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:21,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:05:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:21,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:21,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:21,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:21,930 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 00:05:21,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:05:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2023-12-03 00:05:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2023-12-03 00:05:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:05:21,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:21,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:21,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:21,956 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:21,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:05:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:22,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:22,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:05:22,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:22,858 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 00:05:22,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 00:05:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 178 states and 266 transitions. [2023-12-03 00:05:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 266 transitions. [2023-12-03 00:05:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:05:25,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:25,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:25,975 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:25,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:05:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:26,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:26,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:26,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:26,483 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 00:05:26,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 00:05:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 178 states and 264 transitions. [2023-12-03 00:05:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 264 transitions. [2023-12-03 00:05:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:05:26,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:26,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:26,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:26,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:26,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:05:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:26,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:27,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:05:27,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:27,159 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 00:05:27,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:05:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 181 states and 266 transitions. [2023-12-03 00:05:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 266 transitions. [2023-12-03 00:05:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:05:27,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:27,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:27,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:27,178 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:27,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:05:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:27,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:27,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:27,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:27,852 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 00:05:27,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:05:29,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:05:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:29,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 181 states and 256 transitions. [2023-12-03 00:05:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 256 transitions. [2023-12-03 00:05:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:05:29,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:29,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:29,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:29,243 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:29,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:05:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:29,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:29,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:05:29,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:30,046 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 00:05:30,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:05:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:30,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 268 transitions. [2023-12-03 00:05:30,580 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions. [2023-12-03 00:05:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:05:30,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:30,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:30,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:30,583 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:30,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:05:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:31,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:31,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:05:31,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:31,500 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 00:05:31,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:05:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 195 states and 270 transitions. [2023-12-03 00:05:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 270 transitions. [2023-12-03 00:05:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:05:31,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:31,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:31,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:31,530 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:31,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:05:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:32,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:32,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:32,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:05:32,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:05:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:33,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 211 states and 301 transitions. [2023-12-03 00:05:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 301 transitions. [2023-12-03 00:05:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:05:33,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:33,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:33,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:33,902 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:33,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:05:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:34,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:34,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:34,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:05:34,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:05:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 296 transitions. [2023-12-03 00:05:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-12-03 00:05:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:34,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:34,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:34,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:34,698 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:34,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:05:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:35,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:35,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:35,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:35,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:05:36,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:36,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:36,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:36,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:36,952 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:36,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:05:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:37,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:37,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:37,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:38,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 00:05:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:38,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:38,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:38,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:38,275 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:38,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:05:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:39,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:39,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:39,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:39,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:05:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:39,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:39,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:39,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:39,416 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:39,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:05:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:40,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:40,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:40,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:40,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:05:40,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:40,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:40,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:40,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:40,495 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:40,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:05:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:41,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:41,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:41,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:41,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:05:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:41,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:41,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:41,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:41,657 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:41,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:05:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:42,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:42,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:42,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:42,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 00:05:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:42,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:42,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:42,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:42,844 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:42,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:05:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:43,792 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:44,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:44,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:44,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:05:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:44,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:44,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:44,110 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:44,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:05:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:45,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:45,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:45,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:45,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:05:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:45,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:45,494 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:45,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:05:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:46,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:46,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:46,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:46,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:05:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:46,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:46,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:46,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:46,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:46,866 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:46,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:05:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:47,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:48,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:48,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:48,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:05:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:48,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:48,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:48,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:48,281 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:48,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:05:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:49,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:49,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:49,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:49,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 00:05:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:49,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:49,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:49,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:49,633 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:49,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:05:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:50,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:51,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:51,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:51,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:05:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:51,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:51,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:51,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:51,147 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:51,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:05:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:52,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:52,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:52,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:52,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:05:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:52,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:52,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:52,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:52,618 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:52,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:05:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:53,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:54,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:54,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:54,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:05:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:54,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:54,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:54,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:54,170 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:54,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:05:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:55,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:55,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:55,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:55,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:05:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:55,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:55,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:55,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:55,781 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:55,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:05:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:57,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:57,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:57,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:57,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:05:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:57,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:57,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:57,363 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:57,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:05:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:58,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:59,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:59,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:59,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:05:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:05:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:05:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:59,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:59,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:59,118 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:59,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:06:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:00,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:00,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:00,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:00,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:06:00,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:00,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:00,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:00,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:00,894 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:00,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:06:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:02,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:02,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:02,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:02,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:06:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:02,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:02,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:02,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:02,560 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:02,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:06:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:04,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:04,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:04,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:04,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:06:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:04,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:04,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:04,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:04,369 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:04,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:06:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:05,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:06,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:06,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:06,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-03 00:06:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:06,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:06,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:06,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:06,143 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:06,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:06:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:07,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:07,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:07,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:07,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:06:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:07,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:07,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:07,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:07,987 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:07,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:06:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:09,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:09,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:09,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:09,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:06:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:09,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:09,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:09,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:09,770 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:09,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:06:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:11,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:11,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:11,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:11,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 00:06:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:11,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:11,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:11,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:11,670 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:11,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:06:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:13,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:13,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:13,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:13,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:06:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:13,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:13,710 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:13,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:06:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:15,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:15,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:15,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:15,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:06:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:15,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:15,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:15,750 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:15,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:06:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:17,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:17,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:17,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:17,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:06:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:17,735 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:17,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:17,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:17,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:17,736 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:17,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:06:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:19,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:19,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:19,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:19,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:06:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:19,866 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:19,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:19,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:19,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:19,867 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:19,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:06:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:21,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:21,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:21,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:21,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 00:06:21,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:21,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:21,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:21,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:21,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:21,987 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:21,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:06:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:23,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:24,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:24,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:24,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 00:06:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:24,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:24,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:24,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:24,196 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:24,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:06:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:26,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:26,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:26,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:26,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:06:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:26,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:26,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:26,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:26,518 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:06:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:28,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:28,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:28,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:28,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:06:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:28,744 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:28,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:28,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:28,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:28,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:28,745 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:28,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:06:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:30,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:30,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:30,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:30,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:06:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:30,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:30,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:30,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:30,982 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:30,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:06:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:33,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:33,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:33,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:33,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:06:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:33,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:33,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:33,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:33,423 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:33,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:06:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:35,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:35,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:35,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:35,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:06:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:35,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:35,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:35,752 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:35,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:06:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:37,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:38,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:38,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:38,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:06:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:38,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:38,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:38,187 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:38,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:06:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:40,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:40,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:40,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:40,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:06:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:40,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:40,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:40,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:40,751 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:40,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:06:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:42,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:43,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:43,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:43,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:06:43,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:43,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:43,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:43,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:43,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:43,254 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:43,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:06:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:45,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:45,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:45,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:45,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 00:06:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:45,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:45,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:45,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:45,800 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:45,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:06:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:47,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:48,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:48,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:48,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:06:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:48,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:48,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:48,116 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:48,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:06:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:50,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:50,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:50,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:50,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:06:50,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:50,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:50,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:50,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:50,550 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:50,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:06:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:52,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:52,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:52,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:53,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:06:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:53,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:53,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:53,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:53,014 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:53,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:06:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:55,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:55,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:55,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:55,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:06:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:55,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:55,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:55,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:55,505 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:55,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:06:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:57,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:58,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:06:58,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:58,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:06:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:06:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:06:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:06:58,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:58,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:58,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:58,312 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:58,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:07:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:00,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:00,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:00,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:00,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:07:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:00,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:00,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:00,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:00,818 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:00,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:07:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:03,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:03,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:03,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:03,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 00:07:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:03,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:03,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:03,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:03,793 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:03,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:07:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:06,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:06,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:06,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:06,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 00:07:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:06,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:06,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:06,516 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:06,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:07:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:09,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:09,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:09,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:09,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:07:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:09,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:09,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:09,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:09,425 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:09,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:07:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:11,863 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:12,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:12,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:12,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:07:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:12,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:12,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:12,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:12,227 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:12,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:07:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:14,940 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:15,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:15,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:15,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:07:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:15,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:15,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:15,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:15,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:15,293 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:07:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:18,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:18,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:18,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:18,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 00:07:18,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:18,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:18,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:18,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:18,379 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:18,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:07:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:20,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:21,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:21,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:21,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2023-12-03 00:07:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:21,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:21,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:21,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:21,310 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:21,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:07:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:23,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:24,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:24,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:24,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:07:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:24,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:24,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:24,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:24,181 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:24,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:07:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:27,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:27,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:27,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:27,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:07:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:27,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:27,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:27,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:27,407 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:27,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:07:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:30,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:30,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:30,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:30,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:07:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:30,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:30,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:30,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:30,533 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:30,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:07:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:33,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:33,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:33,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:33,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 00:07:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:33,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:33,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:33,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:33,794 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:33,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:07:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:36,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:37,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:37,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:37,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:07:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:37,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:37,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:37,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:37,193 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:37,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:07:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:40,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:40,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:40,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:40,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:07:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:40,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:40,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:40,636 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:40,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:07:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:43,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:44,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:44,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:44,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:07:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:44,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:44,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:44,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:44,078 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:44,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:07:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:47,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:47,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:47,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:47,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:07:47,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:47,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:47,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:47,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:47,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:47,472 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:47,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:07:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:50,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:50,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:50,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:50,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:07:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:50,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:50,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:50,939 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:50,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:07:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:53,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:54,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:54,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:54,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:07:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:54,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:54,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:54,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:54,358 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:54,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:07:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:57,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:57,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:57,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:57,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:07:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:07:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:07:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:07:57,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:57,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:57,813 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:57,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:08:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:00,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:01,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:01,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:01,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:08:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:01,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:01,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:01,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:01,319 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:01,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:08:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:04,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:04,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:04,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:05,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:08:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:05,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:05,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:05,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:05,013 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:05,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:08:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:08,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:08,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:08,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:08,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:08:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:08,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:08,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:08,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:08,478 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:08,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:08:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:11,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:12,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:12,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:12,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:08:12,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:12,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:12,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:12,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:12,208 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:12,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:08:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:15,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:15,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:15,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:15,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:08:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:15,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:15,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:15,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:15,948 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:15,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:08:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:19,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:19,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:19,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:19,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2023-12-03 00:08:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:19,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:19,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:19,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:19,762 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:19,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:08:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:23,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:23,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:23,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:23,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:08:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:23,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:23,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:23,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:23,626 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:23,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:08:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:27,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:27,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:27,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:27,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 00:08:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:27,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:27,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:27,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:27,584 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:27,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:08:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:30,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:31,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:31,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:31,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:08:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:31,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:31,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:31,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:31,109 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:31,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:08:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:34,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:34,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:34,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:34,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:08:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:34,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:34,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:34,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:34,931 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:34,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:08:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:38,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:38,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:38,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:38,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:08:38,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:38,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:38,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:38,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:38,826 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:38,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:08:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:42,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:42,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:42,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:42,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2023-12-03 00:08:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:42,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:42,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:42,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:42,683 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:42,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:08:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:46,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:46,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:46,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:46,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:08:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:46,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:46,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:46,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:46,913 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:46,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:08:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:50,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:51,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:51,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:51,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:51,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:08:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:51,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:51,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:51,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:51,072 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:51,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:08:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:54,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:55,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:55,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:55,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:08:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:55,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:55,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:55,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:55,240 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:55,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:08:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:58,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:59,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:08:59,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:08:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:08:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:08:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:08:59,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:59,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:59,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:59,336 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:59,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:09:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:03,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:03,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:03,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:03,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:09:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:03,586 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:03,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:03,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:03,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:03,588 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:03,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:09:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:07,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:07,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:07,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:07,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:09:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:07,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:07,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:07,886 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:07,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:09:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:11,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:12,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:12,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:12,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 00:09:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:12,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:12,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:12,083 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:12,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:09:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:16,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:16,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:16,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:16,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:09:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:16,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:16,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:16,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:16,474 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:16,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:09:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:20,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:20,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:20,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:20,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:09:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:20,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:20,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:20,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:20,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:20,894 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:20,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:09:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:25,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:25,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:25,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:25,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 00:09:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:25,460 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:25,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:25,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:25,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:25,462 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:25,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:09:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:29,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:29,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:29,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:29,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:09:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:29,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:29,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:29,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:29,959 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:29,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:09:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:34,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:34,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:34,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:34,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 00:09:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:34,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:34,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:34,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:34,500 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:34,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:09:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:38,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:39,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:39,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:39,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 00:09:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:39,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:39,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:39,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:39,096 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:39,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:09:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:43,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:43,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:43,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:43,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:09:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:43,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:43,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:43,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:43,855 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:43,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:09:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:48,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:48,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:48,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:48,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:09:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:48,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:48,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:48,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:48,459 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:48,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:09:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:52,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:53,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:53,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:53,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:09:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:53,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:53,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:53,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:53,095 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:53,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:09:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:57,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:57,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:57,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:09:57,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 00:09:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:09:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:09:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:09:57,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:57,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:57,998 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:57,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:10:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:02,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:02,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:02,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:02,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:10:02,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:02,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:02,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:02,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:02,906 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:02,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:10:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:07,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:07,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:07,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:07,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:10:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:07,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:07,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:07,697 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:07,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:10:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:12,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:12,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:12,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:12,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 00:10:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:12,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:12,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:12,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:12,545 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:12,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:10:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:16,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:17,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:17,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:17,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:10:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:17,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:17,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:17,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:17,297 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:17,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 00:10:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:22,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:22,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:22,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:22,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 00:10:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:22,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:22,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:22,493 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:22,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 00:10:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:27,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:27,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:27,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:27,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2023-12-03 00:10:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:27,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:27,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:27,770 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:27,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 00:10:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:32,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:32,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:32,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:33,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 00:10:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:33,086 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:33,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:33,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:33,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:33,087 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:33,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 00:10:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:38,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:38,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:38,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:38,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 00:10:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:38,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:38,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:38,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:38,667 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:38,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 00:10:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:43,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:43,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:43,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:43,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 00:10:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:43,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:43,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:43,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:43,767 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:43,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 00:10:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:48,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:48,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:48,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:48,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:49,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 00:10:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:49,049 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:49,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:49,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:49,050 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:49,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 00:10:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:54,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:54,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:54,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:54,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 00:10:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:54,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:54,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:54,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:54,562 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:54,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 00:10:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:59,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:59,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:59,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:10:59,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 00:10:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:10:59,790 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:10:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:10:59,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:59,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:59,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:59,791 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:59,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 00:11:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:04,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:05,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:05,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:05,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 00:11:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:05,100 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:05,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:05,102 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:05,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 00:11:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:09,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:10,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:10,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:10,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 00:11:10,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:10,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:10,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:10,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:10,131 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:10,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 00:11:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:14,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:15,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:15,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:15,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 00:11:15,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:15,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:15,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:15,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:15,319 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:15,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 00:11:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:20,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:20,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:20,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:20,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 00:11:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:20,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:20,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:20,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:20,848 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:20,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 00:11:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:25,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:25,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:25,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:26,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 00:11:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:26,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:26,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:26,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:26,041 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:26,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 00:11:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:31,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:31,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:31,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:31,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 00:11:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:31,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:31,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:31,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:31,898 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:31,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 00:11:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:37,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:37,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:37,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:37,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 00:11:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:37,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:37,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:37,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:37,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:37,670 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:37,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 00:11:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:43,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:43,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:43,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:43,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 00:11:43,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:43,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:43,659 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:43,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:43,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:43,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:43,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:43,660 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:43,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 00:11:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:49,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:49,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:49,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:49,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 00:11:49,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:49,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:49,849 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:49,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 00:11:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:56,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:56,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:11:56,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:11:56,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 00:11:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:11:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:11:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:11:56,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:56,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:56,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:56,430 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:56,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 00:12:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:01,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:02,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:02,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:02,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 00:12:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:02,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:02,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:02,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:02,426 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:02,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 00:12:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:08,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:09,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:09,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:09,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 00:12:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:09,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:09,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:09,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:09,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:09,182 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:09,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 00:12:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:15,505 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:15,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:15,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:15,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 00:12:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:15,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:15,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:15,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:15,910 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:15,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 00:12:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:22,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:22,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:22,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:23,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 00:12:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:23,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:23,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:23,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:23,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:23,032 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:23,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 00:12:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:29,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:29,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:29,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:29,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 00:12:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:29,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:29,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:29,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:29,699 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:29,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 00:12:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:35,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:36,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:36,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:36,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 00:12:36,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:36,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:36,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:36,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:36,264 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:36,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 00:12:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:43,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:43,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:43,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:43,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 00:12:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:43,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:43,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:43,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:43,544 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:43,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 00:12:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:50,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:50,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:50,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:50,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 00:12:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:50,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:50,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:50,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:50,817 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:50,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 00:12:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:57,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:58,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:12:58,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:12:58,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 00:12:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:12:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:12:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:12:58,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:58,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:58,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:58,274 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:58,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 00:13:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:04,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:05,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:05,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:05,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 00:13:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:05,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:05,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:05,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:05,459 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:05,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 00:13:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:11,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:12,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:12,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:12,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 00:13:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:12,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:12,293 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:12,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 00:13:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:19,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:19,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:19,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:19,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 00:13:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:19,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:19,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:19,655 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:19,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 00:13:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:27,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:27,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:27,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:27,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 00:13:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:27,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:27,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:27,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:27,550 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:27,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 00:13:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:34,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:35,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:35,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:35,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 00:13:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:35,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:35,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:35,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:35,291 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:35,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 00:13:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:42,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:42,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:42,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:42,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2023-12-03 00:13:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:42,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:42,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:42,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:42,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:42,606 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:42,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 00:13:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:49,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:49,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:49,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:50,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 00:13:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:50,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:50,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:50,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:50,084 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:50,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 00:13:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:56,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:57,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:57,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:13:57,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 00:13:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:13:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:13:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:13:57,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:57,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:57,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:57,545 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:57,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 00:14:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:04,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:05,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:14:05,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:14:05,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 00:14:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:14:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:14:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:14:05,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:05,245 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:05,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 00:14:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:12,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:13,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:14:13,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:14:13,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 00:14:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:14:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:14:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:14:13,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:13,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:13,448 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:13,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 00:14:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:20,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:20,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:14:20,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:14:20,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 00:14:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:14:20,590 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:14:20,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:14:20,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:20,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:20,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:20,591 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:20,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 00:14:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:27,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:27,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:14:27,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:14:27,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 00:14:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:14:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:14:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:14:27,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:27,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:27,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:27,814 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:27,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b1b83b-e56a-4ece-a7b3-d7c4cd96cd42/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process