./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/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_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/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 64bit --witnessprinter.graph.data.programhash 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:23:45,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:23:45,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:23:45,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:23:45,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:23:45,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:23:45,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:23:45,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:23:45,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:23:45,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:23:45,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:23:45,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:23:45,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:23:45,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:23:45,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:23:45,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:23:45,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:23:45,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:23:45,169 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:23:45,169 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:23:45,170 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:23:45,174 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:23:45,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:23:45,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:23:45,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:23:45,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:23:45,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:23:45,177 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:23:45,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:23:45,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:23:45,178 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_e77dd576-f5ca-44cc-968d-35bd60e26d13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 [2023-12-02 22:23:45,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:23:45,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:23:45,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:23:45,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:23:45,434 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:23:45,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2023-12-02 22:23:48,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:23:48,471 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:23:48,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2023-12-02 22:23:48,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data/8042d1c0f/0016e27763fc46bca0e12af71a974671/FLAGa1fd34d4e [2023-12-02 22:23:48,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data/8042d1c0f/0016e27763fc46bca0e12af71a974671 [2023-12-02 22:23:48,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:23:48,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:23:48,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:23:48,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:23:48,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:23:48,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:23:48" (1/1) ... [2023-12-02 22:23:48,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1287ee1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:48, skipping insertion in model container [2023-12-02 22:23:48,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:23:48" (1/1) ... [2023-12-02 22:23:48,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:23:48,777 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_e77dd576-f5ca-44cc-968d-35bd60e26d13/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2023-12-02 22:23:49,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:23:49,172 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:23:49,181 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_e77dd576-f5ca-44cc-968d-35bd60e26d13/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2023-12-02 22:23:49,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:23:49,445 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:23:49,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49 WrapperNode [2023-12-02 22:23:49,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:23:49,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:23:49,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:23:49,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:23:49,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:49,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:50,560 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11926 [2023-12-02 22:23:50,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:23:50,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:23:50,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:23:50,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:23:50,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:50,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:50,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:50,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:51,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:51,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:51,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:51,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:51,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:23:51,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:23:51,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:23:51,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:23:51,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:49" (1/1) ... [2023-12-02 22:23:51,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:23:51,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:23:51,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:23:51,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:23:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:23:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:23:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:23:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:23:52,248 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:23:52,250 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:00,176 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:16,894 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:24:16,894 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:24:16,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:16 BoogieIcfgContainer [2023-12-02 22:24:16,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:24:16,896 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:24:16,896 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:24:16,903 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:24:16,904 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:16" (1/1) ... [2023-12-02 22:24:16,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:24:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:24:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:24:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:24:16,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:16,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:30,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:24:40,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:24:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 22:24:40,898 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 22:24:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:24:40,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:40,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:24:52,966 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:24:52,970 INFO L158 Benchmark]: Toolchain (without parser) took 64463.47ms. Allocated memory was 138.4MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 97.4MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 713.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:52,971 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:52,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.01ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 69.4MB in the end (delta: 27.9MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. [2023-12-02 22:24:52,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 1086.43ms. Allocated memory was 138.4MB in the beginning and 580.9MB in the end (delta: 442.5MB). Free memory was 69.4MB in the beginning and 381.1MB in the end (delta: -311.7MB). Peak memory consumption was 170.0MB. Max. memory is 16.1GB. [2023-12-02 22:24:52,974 INFO L158 Benchmark]: Boogie Preprocessor took 1017.19ms. Allocated memory is still 580.9MB. Free memory was 381.1MB in the beginning and 291.0MB in the end (delta: 90.2MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:52,975 INFO L158 Benchmark]: RCFGBuilder took 25316.44ms. Allocated memory was 580.9MB in the beginning and 4.2GB in the end (delta: 3.6GB). Free memory was 291.0MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-12-02 22:24:52,976 INFO L158 Benchmark]: CodeCheck took 36072.89ms. Allocated memory is still 4.2GB. Free memory was 3.5GB in the beginning and 3.4GB in the end (delta: 113.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2023-12-02 22:24:52,980 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 0.20ms. Allocated memory is still 102.8MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.01ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 69.4MB in the end (delta: 27.9MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1086.43ms. Allocated memory was 138.4MB in the beginning and 580.9MB in the end (delta: 442.5MB). Free memory was 69.4MB in the beginning and 381.1MB in the end (delta: -311.7MB). Peak memory consumption was 170.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1017.19ms. Allocated memory is still 580.9MB. Free memory was 381.1MB in the beginning and 291.0MB in the end (delta: 90.2MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * RCFGBuilder took 25316.44ms. Allocated memory was 580.9MB in the beginning and 4.2GB in the end (delta: 3.6GB). Free memory was 291.0MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 36072.89ms. Allocated memory is still 4.2GB. Free memory was 3.5GB in the beginning and 3.4GB in the end (delta: 113.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:24:53,194 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:24:53,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/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_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/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 64bit --witnessprinter.graph.data.programhash 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:55,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:55,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:24:55,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:55,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:55,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:55,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:55,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:55,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:55,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:55,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:55,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:55,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:55,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:55,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:24:55,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:24:55,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:24:55,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:55,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:55,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:55,275 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:55,278 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:55,278 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:55,278 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:55,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:55,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:55,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:55,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:55,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:55,280 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:24:55,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:55,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:55,282 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:24:55,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:55,282 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_e77dd576-f5ca-44cc-968d-35bd60e26d13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 [2023-12-02 22:24:55,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:55,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:55,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:55,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:55,582 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:55,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2023-12-02 22:24:58,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:58,738 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:58,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2023-12-02 22:24:58,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data/1b0ebe264/f8cd4c303f364a63bc482dee828538b6/FLAGf2181316e [2023-12-02 22:24:58,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/data/1b0ebe264/f8cd4c303f364a63bc482dee828538b6 [2023-12-02 22:24:58,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:58,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:58,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:58,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:58,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:58,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:58" (1/1) ... [2023-12-02 22:24:58,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e35cbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:58, skipping insertion in model container [2023-12-02 22:24:58,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:58" (1/1) ... [2023-12-02 22:24:58,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:59,092 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_e77dd576-f5ca-44cc-968d-35bd60e26d13/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2023-12-02 22:24:59,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:59,420 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:59,430 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_e77dd576-f5ca-44cc-968d-35bd60e26d13/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2023-12-02 22:24:59,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:59,631 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:59,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59 WrapperNode [2023-12-02 22:24:59,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:59,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:59,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:59,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:59,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,828 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2790 [2023-12-02 22:24:59,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:59,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:59,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:59,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:59,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:24:59,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:59,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:59,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:59,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:59,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:59" (1/1) ... [2023-12-02 22:25:00,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:25:00,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:25:00,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:25:00,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:25:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:25:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:25:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:25:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:25:00,542 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:25:00,544 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:25:06,298 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:25:06,444 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:25:06,444 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:25:06,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:25:06 BoogieIcfgContainer [2023-12-02 22:25:06,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:25:06,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:25:06,447 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:25:06,455 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:25:06,456 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:25:06" (1/1) ... [2023-12-02 22:25:06,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:25:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:25:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:25:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:25:06,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:06,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:06,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:06,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:25:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:07,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:07,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:25:07,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:07,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:25:10,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:25:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:25:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:10,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:10,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:10,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:10,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:25:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:13,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:14,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:25:14,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:15,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:25:19,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:21,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:24,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:27,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:25:37,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:25:46,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.65s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:25:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:46,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:46,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:46,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:46,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:46,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:25:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:49,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:50,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:25:50,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:51,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:25:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:51,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:51,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:51,239 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:51,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:25:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:54,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:54,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:25:54,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:55,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:25:55,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:55,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:55,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:55,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:55,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:55,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:25:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:58,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:58,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:25:58,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:59,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:25:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:59,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:59,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:59,282 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:59,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:26:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:02,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:03,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:03,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:03,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:26:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:03,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:03,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:03,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:03,340 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:03,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:26:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:06,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:07,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:07,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:07,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:26:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:07,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:07,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:07,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:07,378 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:07,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:26:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:10,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:11,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:11,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:11,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:26:11,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:11,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:11,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:11,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:11,452 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:11,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:26:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:14,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:15,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:15,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:15,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:26:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:15,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:15,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:15,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:15,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:15,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:26:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:18,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:19,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:19,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:19,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:26:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:19,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:19,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:19,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:19,613 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:19,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:26:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:22,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:23,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:23,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:23,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:26:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:23,638 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:23,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:23,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:23,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:23,640 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:23,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:26:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:26,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:27,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:27,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:27,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:26:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:27,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:27,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:27,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:27,741 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:27,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:26:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:30,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:31,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:31,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:31,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:26:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:31,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:31,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:31,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:31,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:31,809 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:31,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:26:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:34,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:35,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:35,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:35,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:26:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:35,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:35,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:35,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:35,896 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:35,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:26:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:38,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:39,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:39,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:40,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:26:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:40,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:40,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:40,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:40,130 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:40,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:26:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:43,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:44,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:44,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:44,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:26:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:44,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:44,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:44,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:44,304 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:44,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:26:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:47,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:48,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:48,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:48,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:26:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:48,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:48,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:48,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:48,373 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:48,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:26:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:51,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:52,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:52,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:52,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:26:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:52,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:52,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:52,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:52,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:52,520 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:52,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:26:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:55,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:56,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:26:56,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:56,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:26:56,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:56,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:56,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:56,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:56,723 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:56,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:26:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:59,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:00,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:00,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:00,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:27:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:00,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:00,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:00,867 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:00,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:27:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:03,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:04,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:04,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:05,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:27:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:05,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:05,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:05,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:05,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:05,088 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:05,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:27:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:08,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:09,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:09,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:09,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-02 22:27:09,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:09,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:09,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:09,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:09,396 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:09,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:27:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:12,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:13,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:13,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:13,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:13,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:27:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:13,553 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:13,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:13,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:13,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:13,555 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:13,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:27:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:16,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:17,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:17,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:17,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 22:27:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:17,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:17,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:17,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:17,944 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:17,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:27:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:20,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:21,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:21,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:22,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:27:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:22,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:22,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:22,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:22,092 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:22,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:27:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:25,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:25,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:25,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:26,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:27:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:26,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:26,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:26,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:26,272 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:26,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:27:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:29,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:30,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:30,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:30,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-02 22:27:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:30,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:30,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:30,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:30,415 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:30,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:27:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:33,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:34,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:34,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:34,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-02 22:27:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:34,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:34,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:34,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:34,699 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:34,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:27:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:37,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:38,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:38,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:39,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:27:39,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:39,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:39,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:39,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:39,053 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:39,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:27:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:42,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:43,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:43,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:43,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-02 22:27:43,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:43,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:43,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:43,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:43,530 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:43,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:27:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:46,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:47,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:47,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:47,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:27:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:47,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:47,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:47,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:47,928 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:47,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:27:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:51,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:51,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:51,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:52,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:27:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:52,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:52,277 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:52,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:27:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:55,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:56,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:27:56,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:56,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:27:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:56,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:56,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:56,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:56,880 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:56,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:27:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:59,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:00,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:00,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:01,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:28:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:01,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:01,068 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:01,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:28:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:04,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:05,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:05,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:05,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-02 22:28:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:05,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:05,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:05,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:05,339 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:05,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:28:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:08,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:09,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:09,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:09,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:28:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:09,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:09,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:09,701 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:09,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:28:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:12,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:13,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:13,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:13,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:28:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:13,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:13,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:13,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:13,932 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:13,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:28:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:17,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:17,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:17,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:18,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:28:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:18,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:18,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:18,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:18,274 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:18,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:28:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:21,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:22,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:22,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:22,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:28:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:22,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:22,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:22,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:22,696 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:22,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:28:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:25,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:26,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:26,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:27,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:28:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:27,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:27,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:27,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:27,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:27,094 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:27,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:28:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:29,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:30,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:30,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:31,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:28:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:31,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:31,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:31,089 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:31,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:28:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:34,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:34,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:34,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:35,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:28:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:35,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:35,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:35,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:35,146 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:35,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:28:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:38,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:38,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:38,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:39,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-02 22:28:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:39,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:39,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:39,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:39,256 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:39,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:28:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:42,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:42,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:42,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:43,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:28:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:43,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:43,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:43,217 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:43,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:28:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:46,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:47,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:47,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:47,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:28:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:47,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:47,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:47,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:47,296 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:47,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:28:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:50,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:51,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:51,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:51,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:28:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:51,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:51,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:51,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:51,497 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:51,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:28:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:54,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:55,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:55,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:55,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:28:55,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:55,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:55,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:55,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:55,398 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:55,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:28:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:58,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:58,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:28:58,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:59,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:28:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:59,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:59,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:59,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:59,236 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:59,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:29:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:02,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:02,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:02,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:03,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:29:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:03,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:03,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:03,110 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:03,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:29:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:06,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:07,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:07,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:07,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:29:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:07,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:07,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:07,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:07,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:07,295 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:07,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:29:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:10,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:11,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:11,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:11,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 22:29:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:11,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:11,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:11,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:11,339 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:11,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:29:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:14,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:15,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:15,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:15,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:29:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:15,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:15,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:15,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:15,471 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:15,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:29:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:18,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:19,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:19,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:19,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:29:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:19,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:19,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:19,468 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:19,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:29:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:22,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:23,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:23,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:23,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:23,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 22:29:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:23,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:23,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:23,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:23,579 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:23,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:29:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:26,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:27,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:27,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:27,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:29:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:27,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:27,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:27,796 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:27,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:29:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:30,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:31,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:31,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:32,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:29:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:32,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:32,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:32,106 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:32,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:29:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:35,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:35,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:36,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:36,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:29:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:36,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:36,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:36,285 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:36,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:29:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:39,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:40,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:40,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:40,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:29:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:40,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:40,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:40,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:40,510 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:40,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:29:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:43,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:44,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:44,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:44,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-02 22:29:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:44,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:44,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:44,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:44,678 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:44,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:29:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:47,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:48,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:48,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:49,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 22:29:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:49,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:49,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:49,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:49,095 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:49,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:29:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:52,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:53,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:53,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:53,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:29:53,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:53,745 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:53,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:53,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:53,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:53,746 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:29:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:57,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:58,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:29:58,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:58,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:58,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:29:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:58,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:58,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:58,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:58,491 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:58,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:30:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:01,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:02,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:02,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:02,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:30:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:02,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:02,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:03,000 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:30:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:06,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:07,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:07,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:07,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 22:30:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:07,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:07,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:07,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:07,596 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:07,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:30:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:11,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:12,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:30:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:12,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:12,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:12,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:12,162 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:12,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:30:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:15,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:16,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:16,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:16,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-02 22:30:16,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:16,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:16,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:16,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:16,451 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:16,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:30:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:19,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:20,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:20,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:20,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2023-12-02 22:30:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:20,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:20,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:20,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:20,768 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:20,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:30:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:24,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:24,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:24,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:25,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:30:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:25,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:25,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:25,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:25,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:25,257 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:25,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:30:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:28,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:29,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:29,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:29,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:30:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:29,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:29,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:29,527 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:29,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:30:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:33,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:33,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:33,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:34,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-02 22:30:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:34,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:34,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:34,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:34,203 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:34,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:30:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:37,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:38,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:38,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:38,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 22:30:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:38,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:38,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:38,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:38,795 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:38,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:30:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:42,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:43,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:43,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:43,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:30:43,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:43,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:43,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:43,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:43,588 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:43,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 22:30:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:47,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:48,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:48,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:48,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 22:30:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:48,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:48,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:48,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:48,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:48,389 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:48,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 22:30:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:51,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:52,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:52,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:53,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 22:30:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:53,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:53,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:53,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:53,090 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:53,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 22:30:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:56,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:57,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:30:57,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:57,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:57,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 22:30:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:57,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:57,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:57,812 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:57,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 22:31:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:01,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:02,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:02,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:02,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 22:31:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:02,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:02,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:02,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:02,657 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:02,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 22:31:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:06,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:07,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:07,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:07,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 22:31:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:07,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:07,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:07,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:07,506 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:07,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 22:31:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:10,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:11,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:11,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:12,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 22:31:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:12,079 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:12,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:12,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:12,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:12,080 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:12,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 22:31:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:15,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:16,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:16,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:17,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 22:31:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:17,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:17,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:17,042 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:17,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 22:31:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:20,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:21,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:21,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:21,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 22:31:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:21,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:21,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:21,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:21,657 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:21,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 22:31:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:24,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:25,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:25,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:26,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 22:31:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:26,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:26,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:26,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:26,062 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:26,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 22:31:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:29,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:30,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:30,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:30,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 22:31:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:30,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:30,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:30,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:30,496 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:30,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 22:31:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:33,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:34,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:34,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:35,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 22:31:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:35,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:35,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:35,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:35,054 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 22:31:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:38,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:39,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:39,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:39,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 22:31:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:39,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:39,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:39,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:39,551 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:39,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 22:31:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:42,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:43,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:43,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:43,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 22:31:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:43,922 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:43,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:43,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:43,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:43,923 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:43,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 22:31:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:47,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:48,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:48,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:48,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 22:31:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:48,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:48,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:48,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:48,299 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:48,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 22:31:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:51,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:52,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:52,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:52,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 22:31:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:52,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:52,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:52,938 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:52,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 22:31:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:56,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:57,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:31:57,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:57,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 22:31:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:57,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:57,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:57,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:57,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:57,513 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:57,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 22:32:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:00,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:01,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:01,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:02,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 22:32:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:02,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:02,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:02,099 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:02,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 22:32:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:05,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:06,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:06,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:06,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 22:32:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:06,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:06,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:06,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:06,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:06,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:06,522 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:06,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 22:32:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:10,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:11,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:11,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:11,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 22:32:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:11,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:11,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:11,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:11,608 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:11,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 22:32:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:15,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:16,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:16,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:16,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 22:32:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:16,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:16,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:16,381 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:16,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 22:32:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:19,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:20,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:20,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:20,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 22:32:20,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:20,926 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:20,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:20,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:20,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:20,928 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:20,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 22:32:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:24,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:25,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:25,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:25,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 22:32:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:25,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:25,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:25,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:25,711 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:25,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 22:32:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:29,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:30,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:30,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:30,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 22:32:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:30,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:30,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:30,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:30,603 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:30,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 22:32:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:34,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:35,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:35,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:35,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 22:32:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:35,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:35,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:35,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:35,641 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:35,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 22:32:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:39,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:40,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:40,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:40,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 22:32:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:40,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:40,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:40,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:40,463 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:40,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 22:32:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:44,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:45,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:45,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:45,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 22:32:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:45,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:45,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:45,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:45,584 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:45,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 22:32:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:49,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:50,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:50,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:50,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2023-12-02 22:32:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:50,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:50,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:50,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:50,626 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:50,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 22:32:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:54,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:55,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:32:55,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:55,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 22:32:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:32:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:32:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:55,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:55,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:55,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:55,598 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:55,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 22:32:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:59,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:00,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:00,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:00,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 22:33:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:00,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:00,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:00,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:00,662 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:00,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 22:33:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:04,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:05,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:05,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:05,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:05,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 22:33:05,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:05,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:05,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:05,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:05,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:05,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:05,855 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:05,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 22:33:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:09,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:10,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:10,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:11,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:11,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 22:33:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:11,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:11,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:11,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:11,065 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:11,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 22:33:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:14,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:15,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:15,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:16,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 22:33:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:16,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:16,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:16,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:16,315 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:16,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 22:33:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:20,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:21,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:21,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:21,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 22:33:21,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:21,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:21,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:21,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:21,513 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:21,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 22:33:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:25,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:25,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:25,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:26,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 22:33:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:26,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:26,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:26,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:26,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:26,289 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:26,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 22:33:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:30,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:31,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:31,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:31,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2023-12-02 22:33:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:31,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:31,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:31,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:31,302 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:31,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 22:33:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:34,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:35,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:35,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:36,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 22:33:36,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:36,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:36,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:36,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:36,218 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:36,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 22:33:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:39,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:40,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:40,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:41,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 22:33:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:41,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:41,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:41,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:41,099 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:41,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 22:33:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:45,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:46,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:46,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:46,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:46,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 22:33:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:46,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:46,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:46,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:46,616 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:46,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 22:33:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:50,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:51,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:51,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:51,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 22:33:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:52,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:52,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:52,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:52,007 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:52,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 22:33:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:55,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:56,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:33:56,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:57,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2023-12-02 22:33:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:33:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:33:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:57,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:57,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:57,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:57,238 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 22:34:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:01,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:02,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:02,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:02,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2023-12-02 22:34:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:02,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:02,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:02,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:02,586 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:02,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 22:34:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:06,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:07,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:07,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:07,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 22:34:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:07,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:07,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:07,863 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:07,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 22:34:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:11,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:12,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:12,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:13,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 22:34:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:13,170 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:13,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:13,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:13,171 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:13,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 22:34:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:17,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:18,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:18,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:18,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 22:34:18,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:18,434 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:18,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:18,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:18,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:18,435 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:18,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 22:34:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:22,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:23,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:23,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:23,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 22:34:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:23,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:23,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:23,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:23,953 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:23,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 22:34:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:27,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:28,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:28,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:29,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 22:34:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:29,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:29,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:29,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:29,234 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:29,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 22:34:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:33,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:34,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:34,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:34,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 22:34:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:34,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:34,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:34,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:34,374 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:34,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 22:34:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:38,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:39,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:39,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:39,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2023-12-02 22:34:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:39,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:39,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:39,659 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:39,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 22:34:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:43,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:44,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:44,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:45,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 22:34:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:45,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:45,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:45,124 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:45,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 22:34:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:49,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:50,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:50,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:50,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 22:34:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:50,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:50,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:50,387 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:50,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 22:34:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:54,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:55,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:34:55,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:55,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 22:34:55,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:34:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:34:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:55,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:55,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:55,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:55,726 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:55,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 22:34:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:59,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:00,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:00,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:01,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 22:35:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:01,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:01,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:01,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:01,154 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:01,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 22:35:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:05,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:06,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:06,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:06,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 22:35:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:06,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:06,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:06,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:06,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:06,401 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:06,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 22:35:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:10,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:11,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:11,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:11,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 22:35:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:11,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:11,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:11,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:11,872 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:11,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 22:35:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:16,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:17,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:17,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:17,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 22:35:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:17,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:17,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:17,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:17,348 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:17,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 22:35:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:21,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:22,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:22,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:23,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 22:35:23,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:23,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:23,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:23,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:23,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:23,158 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:23,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 22:35:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:27,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:28,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:28,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:28,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:28,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 22:35:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:28,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:28,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:28,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:28,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:28,836 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:28,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 22:35:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:33,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:34,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:34,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:34,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 22:35:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:34,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:34,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:34,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:34,514 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:34,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 22:35:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:38,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:39,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:39,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:40,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 22:35:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:40,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:40,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:40,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:40,219 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:40,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 22:35:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:44,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:45,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:45,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:46,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 22:35:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:46,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:46,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:46,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:46,130 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:46,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 22:35:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:50,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:51,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:51,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:51,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 22:35:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:51,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:51,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:51,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:51,888 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:51,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 22:35:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:56,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:57,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:35:57,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:57,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 22:35:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:35:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:35:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:57,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:57,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:57,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:57,281 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:57,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 22:36:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:01,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:02,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:02,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:02,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 22:36:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:02,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:02,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:02,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:02,691 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:02,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 22:36:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:06,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:07,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:07,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:08,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 22:36:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:08,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:08,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:08,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:08,112 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:08,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 22:36:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:11,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:12,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:12,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:13,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 22:36:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:13,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:13,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:13,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:13,217 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:13,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 22:36:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:17,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:18,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:18,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:18,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 22:36:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:18,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:18,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:18,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:18,500 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:18,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 22:36:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:22,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:23,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:23,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:23,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 22:36:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:23,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:23,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:23,997 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:23,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 22:36:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:28,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:29,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:29,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:29,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 22:36:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:29,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:29,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:29,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:29,360 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:29,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 22:36:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:33,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:34,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:34,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:34,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 22:36:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:34,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:34,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:34,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:34,873 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:34,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 22:36:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:39,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:40,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:40,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:40,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 22:36:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:40,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:40,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:40,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:40,491 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:40,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 22:36:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:44,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:45,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:45,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:45,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 22:36:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:46,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:46,009 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:46,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 22:36:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:50,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:51,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:51,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:51,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 22:36:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:51,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:51,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:51,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:51,559 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 22:36:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:55,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:56,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:36:56,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:57,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 22:36:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:36:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:36:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:36:57,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:57,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:57,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:57,104 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:57,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 22:37:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:01,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:37:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:02,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:37:02,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:37:02,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 22:37:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:37:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:37:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:37:02,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:02,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:02,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:37:02,546 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:37:02,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 22:37:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:07,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:37:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:08,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:37:08,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:37:08,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 22:37:08,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:37:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:37:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:37:08,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:08,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:08,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:37:08,436 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:37:08,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 22:37:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:12,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:37:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:13,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:37:13,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:37:14,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 22:37:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:37:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:37:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:37:14,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:14,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:14,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:37:14,027 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:37:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77dd576-f5ca-44cc-968d-35bd60e26d13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process