./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:25:18,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:25:18,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:25:18,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:25:18,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:25:18,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:25:18,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:25:18,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:25:18,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:25:18,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:25:18,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:25:18,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:25:18,953 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:25:18,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:25:18,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:25:18,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:25:18,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:25:18,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:25:18,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:25:18,957 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:25:18,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:25:18,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:25:18,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:25:18,959 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:25:18,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:25:18,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:25:18,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:18,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:25:18,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:25:18,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:25:18,962 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:25:18,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:25:18,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:25:18,963 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2023-12-03 01:25:19,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:25:19,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:25:19,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:25:19,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:25:19,213 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:25:19,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-12-03 01:25:21,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:25:22,212 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:25:22,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-12-03 01:25:22,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data/83fa029b5/23a72a572b7c4f74b4b064d9767e8874/FLAGb1f2bafc0 [2023-12-03 01:25:22,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data/83fa029b5/23a72a572b7c4f74b4b064d9767e8874 [2023-12-03 01:25:22,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:25:22,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:25:22,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:22,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:25:22,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:25:22,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:22,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5844f20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22, skipping insertion in model container [2023-12-03 01:25:22,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:22,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:25:22,621 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[33021,33034] [2023-12-03 01:25:22,716 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[44590,44603] [2023-12-03 01:25:22,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:22,743 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:25:22,776 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[33021,33034] [2023-12-03 01:25:22,855 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[44590,44603] [2023-12-03 01:25:22,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:22,911 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:25:22,918 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:25:22,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22 WrapperNode [2023-12-03 01:25:22,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:22,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:22,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:25:22,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:25:22,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:22,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,020 INFO L138 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1524 [2023-12-03 01:25:23,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:23,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:25:23,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:25:23,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:25:23,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:25:23,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:25:23,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:25:23,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:25:23,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:22" (1/1) ... [2023-12-03 01:25:23,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:25:23,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:25:23,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:25:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:25:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:25:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:25:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:25:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:25:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:25:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:25:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:25:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:25:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:25:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:25:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:25:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:25:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:25:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:25:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:25:23,443 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:25:23,446 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:25:24,788 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:25:26,404 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:25:26,404 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 01:25:26,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:26 BoogieIcfgContainer [2023-12-03 01:25:26,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:25:26,406 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:25:26,406 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:25:26,416 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:25:26,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:26" (1/1) ... [2023-12-03 01:25:26,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:25:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2023-12-03 01:25:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2023-12-03 01:25:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:25:26,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:26,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 146 states and 243 transitions. [2023-12-03 01:25:26,662 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 243 transitions. [2023-12-03 01:25:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:25:26,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:26,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-12-03 01:25:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-12-03 01:25:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:25:26,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:26,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:27,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2023-12-03 01:25:27,037 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2023-12-03 01:25:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:25:27,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:27,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:27,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 148 states and 239 transitions. [2023-12-03 01:25:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 239 transitions. [2023-12-03 01:25:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:25:27,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:27,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:27,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 148 states and 233 transitions. [2023-12-03 01:25:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2023-12-03 01:25:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:25:27,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:27,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:27,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:37,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-12-03 01:25:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-12-03 01:25:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:25:37,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:37,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:37,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:25:37,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:48,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:58,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:08,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:18,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 161 states and 240 transitions. [2023-12-03 01:26:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 240 transitions. [2023-12-03 01:26:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:26:18,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:18,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:18,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:18,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 161 states and 238 transitions. [2023-12-03 01:26:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 238 transitions. [2023-12-03 01:26:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:26:18,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:18,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:18,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:18,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:28,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 161 states and 236 transitions. [2023-12-03 01:26:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 236 transitions. [2023-12-03 01:26:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:26:28,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:28,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:29,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:29,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:39,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:49,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:59,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:09,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 164 states and 238 transitions. [2023-12-03 01:27:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 238 transitions. [2023-12-03 01:27:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:27:09,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:09,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:27:09,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:09,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:27:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:27:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 166 states and 242 transitions. [2023-12-03 01:27:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 242 transitions. [2023-12-03 01:27:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:27:09,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:09,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:10,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:27:10,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:10,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:27:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 166 states and 238 transitions. [2023-12-03 01:27:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2023-12-03 01:27:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:27:10,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:10,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:10,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:27:10,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:27:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 166 states and 236 transitions. [2023-12-03 01:27:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 236 transitions. [2023-12-03 01:27:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:27:10,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:10,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:27:10,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:27:20,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 166 states and 234 transitions. [2023-12-03 01:27:20,718 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 234 transitions. [2023-12-03 01:27:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:27:20,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:20,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:21,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:21,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:27:31,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:41,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:51,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:01,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:12,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:22,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:32,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:42,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 212 states and 294 transitions. [2023-12-03 01:28:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 294 transitions. [2023-12-03 01:28:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:28:42,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:42,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:42,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:28:42,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:28:52,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 212 states and 292 transitions. [2023-12-03 01:28:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 292 transitions. [2023-12-03 01:28:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:28:52,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:52,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:52,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:28:52,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:28:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 212 states and 288 transitions. [2023-12-03 01:28:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 288 transitions. [2023-12-03 01:28:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:28:52,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:52,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:53,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:28:53,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:29:03,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:29:13,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:29:23,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:29:33,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:29:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 215 states and 290 transitions. [2023-12-03 01:29:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 290 transitions. [2023-12-03 01:29:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:29:33,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:33,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:33,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:29:33,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:29:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 215 states and 288 transitions. [2023-12-03 01:29:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 288 transitions. [2023-12-03 01:29:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:29:33,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:33,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:34,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:29:34,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:29:44,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:29:54,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:30:04,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:30:14,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:30:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 198 states and 267 transitions. [2023-12-03 01:30:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 267 transitions. [2023-12-03 01:30:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:14,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:14,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:30:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:30:24,652 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:30:24,655 INFO L158 Benchmark]: Toolchain (without parser) took 302407.23ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 106.7MB in the beginning and 148.3MB in the end (delta: -41.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-12-03 01:30:24,655 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:30:24,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.79ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 106.3MB in the beginning and 163.4MB in the end (delta: -57.1MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-12-03 01:30:24,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.63ms. Allocated memory is still 203.4MB. Free memory was 163.4MB in the beginning and 153.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:30:24,657 INFO L158 Benchmark]: Boogie Preprocessor took 126.22ms. Allocated memory is still 203.4MB. Free memory was 153.9MB in the beginning and 143.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:30:24,658 INFO L158 Benchmark]: RCFGBuilder took 3257.27ms. Allocated memory was 203.4MB in the beginning and 249.6MB in the end (delta: 46.1MB). Free memory was 143.4MB in the beginning and 179.5MB in the end (delta: -36.1MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2023-12-03 01:30:24,659 INFO L158 Benchmark]: CodeCheck took 298247.85ms. Allocated memory is still 249.6MB. Free memory was 179.5MB in the beginning and 148.3MB in the end (delta: 31.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-12-03 01:30:24,662 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 0.29ms. Allocated memory is still 90.2MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.79ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 106.3MB in the beginning and 163.4MB in the end (delta: -57.1MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.63ms. Allocated memory is still 203.4MB. Free memory was 163.4MB in the beginning and 153.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.22ms. Allocated memory is still 203.4MB. Free memory was 153.9MB in the beginning and 143.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3257.27ms. Allocated memory was 203.4MB in the beginning and 249.6MB in the end (delta: 46.1MB). Free memory was 143.4MB in the beginning and 179.5MB in the end (delta: -36.1MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. * CodeCheck took 298247.85ms. Allocated memory is still 249.6MB. Free memory was 179.5MB in the beginning and 148.3MB in the end (delta: 31.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:30:24,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:30:26,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:30:26,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:30:26,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:30:26,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:30:26,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:30:26,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:30:26,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:30:26,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:30:26,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:30:26,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:30:26,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:30:26,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:30:26,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:30:26,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:30:26,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:30:26,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:30:26,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:30:26,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:30:26,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:30:26,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:30:26,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:30:26,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:30:26,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:30:26,713 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:30:26,713 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:26,714 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:30:26,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:30:26,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:30:26,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:30:26,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:30:26,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:30:26,716 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:30:26,717 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:26,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:30:26,717 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:30:26,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:30:26,718 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2023-12-03 01:30:27,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:30:27,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:30:27,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:30:27,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:30:27,032 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:30:27,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-12-03 01:30:29,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:30:30,091 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:30:30,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-12-03 01:30:30,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data/e0de950ec/de4349572019463bb4554cbe25189682/FLAG59e8183d2 [2023-12-03 01:30:30,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/data/e0de950ec/de4349572019463bb4554cbe25189682 [2023-12-03 01:30:30,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:30:30,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:30:30,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:30:30,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:30:30,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:30:30,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:30,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10378837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30, skipping insertion in model container [2023-12-03 01:30:30,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:30,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:30:30,593 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[33021,33034] [2023-12-03 01:30:30,691 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[44590,44603] [2023-12-03 01:30:30,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:30:30,731 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:30:30,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:30:30,765 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[33021,33034] [2023-12-03 01:30:30,811 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[44590,44603] [2023-12-03 01:30:30,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:30:30,827 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:30:30,851 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[33021,33034] [2023-12-03 01:30:30,884 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_663c348f-0b57-4b6c-8a4a-6fb720355ce2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[44590,44603] [2023-12-03 01:30:30,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:30:30,932 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:30:30,937 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:30:30,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30 WrapperNode [2023-12-03 01:30:30,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:30:30,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:30:30,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:30:30,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:30:30,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:30,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,035 INFO L138 Inliner]: procedures = 180, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1190 [2023-12-03 01:30:31,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:30:31,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:30:31,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:30:31,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:30:31,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:30:31,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:30:31,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:30:31,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:30:31,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:30:30" (1/1) ... [2023-12-03 01:30:31,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:30:31,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:30:31,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:30:31,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:30:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:30:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:30:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:30:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:30:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:30:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:30:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:30:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:30:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:30:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:30:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:30:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:30:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:30:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:30:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:30:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:30:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:30:31,455 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:30:31,457 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:30:45,663 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:30:46,191 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:30:46,191 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 01:30:46,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:30:46 BoogieIcfgContainer [2023-12-03 01:30:46,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:30:46,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:30:46,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:30:46,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:30:46,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:30:46" (1/1) ... [2023-12-03 01:30:46,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:30:46,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2023-12-03 01:30:46,270 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2023-12-03 01:30:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:30:46,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:46,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:46,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:46,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:46,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:30:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:46,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:46,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:46,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:46,707 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:30:46,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:30:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 146 states and 243 transitions. [2023-12-03 01:30:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 243 transitions. [2023-12-03 01:30:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:30:46,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:46,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:46,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:46,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:46,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:30:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:47,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:47,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:30:47,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:47,333 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:30:47,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:30:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 153 states and 253 transitions. [2023-12-03 01:30:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 253 transitions. [2023-12-03 01:30:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:30:47,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:47,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:47,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:47,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:47,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:30:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:47,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:48,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:48,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:48,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:30:48,046 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Stream closed [2023-12-03 01:30:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 153 states and 249 transitions. [2023-12-03 01:30:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 249 transitions. [2023-12-03 01:30:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:30:48,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:48,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:48,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:48,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:30:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:48,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:48,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:48,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:48,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:30:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2023-12-03 01:30:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2023-12-03 01:30:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:30:48,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:48,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:48,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:48,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:30:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:48,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:48,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:48,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:48,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:30:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:48,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 153 states and 245 transitions. [2023-12-03 01:30:48,879 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 245 transitions. [2023-12-03 01:30:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:30:48,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:48,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:48,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:48,881 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:48,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:30:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:49,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:49,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:49,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:49,300 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:30:49,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:30:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 153 states and 241 transitions. [2023-12-03 01:30:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions. [2023-12-03 01:30:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:30:49,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:49,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:49,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:49,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:49,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:30:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:49,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:49,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:49,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:49,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:30:49,695 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:30:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 153 states and 239 transitions. [2023-12-03 01:30:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2023-12-03 01:30:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:30:49,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:49,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:49,751 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:49,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:30:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:50,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:50,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:30:50,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:50,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:30:50,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:30:50,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:30:50,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 01:30:50,379 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:30:50,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 01:30:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:50,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:30:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2023-12-03 01:30:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2023-12-03 01:30:51,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:30:51,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:51,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:51,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:51,249 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:51,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:30:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:51,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:51,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:51,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:51,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:30:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 155 states and 236 transitions. [2023-12-03 01:30:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 236 transitions. [2023-12-03 01:30:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:30:51,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:51,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:51,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:51,739 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:51,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:30:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:52,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:52,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:52,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:52,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:30:53,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 155 states and 230 transitions. [2023-12-03 01:30:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 230 transitions. [2023-12-03 01:30:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:30:53,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:53,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:53,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:53,053 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:53,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:30:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:53,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:53,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:53,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:53,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:53,833 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:30:53,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:30:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 166 states and 241 transitions. [2023-12-03 01:30:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2023-12-03 01:30:54,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:30:54,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:54,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:54,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:54,543 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:54,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:30:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:54,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:55,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:55,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:55,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:30:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 166 states and 239 transitions. [2023-12-03 01:30:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 239 transitions. [2023-12-03 01:30:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:30:55,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:55,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:55,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:55,199 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:55,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:30:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:55,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:56,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:56,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:56,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:30:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 166 states and 237 transitions. [2023-12-03 01:30:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2023-12-03 01:30:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:30:56,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:56,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:56,024 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:56,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:30:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:56,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:56,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:30:56,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:56,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 01:30:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 166 states and 235 transitions. [2023-12-03 01:30:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2023-12-03 01:30:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:30:56,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:56,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:56,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:56,808 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:56,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:30:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:57,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:57,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:57,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:57,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:30:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:57,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:30:57,823 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:30:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:30:57,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:57,825 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:57,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:30:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:58,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:58,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:58,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:58,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 01:30:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:30:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:30:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:30:59,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:59,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:59,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:59,094 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:59,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:30:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:59,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:00,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:00,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:00,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:31:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:00,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:00,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:00,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:00,132 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:00,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:31:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:00,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:01,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:01,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:01,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:31:01,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:01,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:01,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:01,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:01,218 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:01,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:31:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:01,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:02,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:02,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:02,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:02,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:31:02,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:02,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:02,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:02,346 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:02,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:31:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:03,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:03,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:03,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:03,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:31:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:03,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:03,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:03,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:03,442 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:03,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:31:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:04,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:04,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:04,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:04,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:31:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:04,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:04,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:04,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:04,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:04,508 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:04,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:31:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:05,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:05,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:05,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:05,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:31:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:05,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:05,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:05,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:05,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:05,735 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:05,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:31:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:06,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:06,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:06,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:07,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:31:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:07,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:07,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:07,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:07,028 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:07,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:31:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:08,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:08,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:08,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:08,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:31:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:08,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:08,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:08,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:08,355 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:08,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:31:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:09,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:09,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:09,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:09,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:31:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:09,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:09,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:09,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:09,712 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:09,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:31:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:10,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:11,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:11,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:11,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:31:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:11,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:11,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:11,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:11,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:11,067 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:11,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:31:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:12,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:12,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:12,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:12,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:31:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:12,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:12,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:12,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:12,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:12,397 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:12,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:31:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:13,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:13,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:13,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:13,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:31:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:13,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:13,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:13,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:13,718 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:13,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:31:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:14,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:15,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:15,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:15,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:31:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:15,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:15,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:15,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:15,244 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:15,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:31:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:16,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:16,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:16,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:16,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:31:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:16,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:16,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:16,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:16,849 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:16,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:31:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:18,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:18,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:18,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:18,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-03 01:31:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:18,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:18,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:18,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:18,413 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:18,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:31:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:19,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:20,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:20,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:20,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:31:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:20,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:20,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:20,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:20,093 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:20,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:31:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:21,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:21,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:21,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:21,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:31:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:21,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:21,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:21,872 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:21,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:31:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:23,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:23,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:23,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:23,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:31:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:23,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:23,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:23,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:23,477 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:23,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:31:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:24,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:25,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:25,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:25,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:31:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:25,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:25,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:25,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:25,080 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:31:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:26,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:26,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:26,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:26,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:31:26,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:26,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:26,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:26,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:26,864 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:26,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:31:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:28,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:28,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:28,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:28,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:31:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:28,692 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:28,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:28,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:28,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:28,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:28,694 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:28,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:31:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:30,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:30,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:30,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:30,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:31:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:30,602 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:30,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:30,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:30,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:30,603 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:30,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:31:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:32,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:32,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:32,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:32,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 01:31:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:32,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:32,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:32,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:32,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:32,516 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:32,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:31:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:34,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:34,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:34,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:34,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 01:31:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:34,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:34,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:34,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:34,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:34,528 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:34,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:31:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:36,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:36,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:36,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:36,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:31:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:36,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:36,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:36,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:36,604 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:36,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:31:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:38,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:38,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:38,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:38,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:31:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:38,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:38,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:38,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:38,635 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:38,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:31:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:40,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:40,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:40,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:40,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:31:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:40,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:40,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:40,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:40,598 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:40,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:31:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:42,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:42,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:42,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:42,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:31:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:42,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:42,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:42,701 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:42,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:31:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:44,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:44,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:44,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:44,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:31:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:44,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:44,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:44,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:44,944 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:44,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:31:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:46,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:47,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:47,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:47,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:31:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:47,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:47,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:47,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:47,112 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:47,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:31:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:48,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:49,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:49,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:49,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 01:31:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:49,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:49,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:49,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:49,264 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:49,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:31:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:51,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:51,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:51,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:51,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 01:31:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:51,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:51,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:51,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:51,496 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:51,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:31:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:53,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:53,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:53,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:53,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:31:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:53,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:53,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:53,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:53,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:53,877 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:53,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:31:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:55,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:56,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:56,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:56,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:31:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:56,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:56,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:56,264 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:56,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:31:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:58,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:58,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:58,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:58,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:31:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:31:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:31:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:31:58,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:58,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:58,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:58,541 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:58,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:32:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:00,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:00,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:00,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:00,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:32:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:00,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:00,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:00,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:00,952 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:00,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:32:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:03,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:03,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:03,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:03,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:32:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:03,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:03,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:03,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:03,450 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:03,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:32:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:05,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:05,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:05,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:05,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:06,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:32:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:06,011 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:06,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:06,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:06,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:06,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:06,013 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:06,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:32:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:08,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:08,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:08,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:08,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:32:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:08,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:08,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:08,447 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:08,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:32:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:10,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:10,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:10,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:11,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:32:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:11,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:11,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:11,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:11,017 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:11,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:32:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:13,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:13,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:13,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:13,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2023-12-03 01:32:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:13,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:13,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:13,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:13,594 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:13,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:32:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:15,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:16,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:16,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:16,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:32:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:16,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:16,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:16,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:16,339 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:16,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:32:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:18,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:18,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:18,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:18,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 01:32:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:18,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:18,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:18,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:18,923 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:18,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:32:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:21,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:21,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:21,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:21,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-03 01:32:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:21,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:21,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:21,621 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:21,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:32:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:23,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:24,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:24,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:24,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:32:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:24,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:24,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:24,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:24,215 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:24,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:32:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:26,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:26,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:26,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:26,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:32:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:26,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:26,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:26,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:26,767 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:26,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:32:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:29,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:29,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:29,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:29,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2023-12-03 01:32:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:29,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:29,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:29,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:29,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:29,452 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:29,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:32:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:31,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:32,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:32,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:32,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:32:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:32,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:32,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:32,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:32,192 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:32,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:32:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:34,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:35,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:35,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:35,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:32:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:35,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:35,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:35,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:35,132 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:35,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:32:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:37,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:37,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:37,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:37,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 01:32:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:38,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:38,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:38,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:38,009 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:38,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:32:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:40,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:40,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:40,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:40,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:32:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:40,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:40,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:40,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:40,996 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:40,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:32:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:43,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:43,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:43,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:44,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:32:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:44,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:44,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:44,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:44,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:44,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:44,014 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:44,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:32:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:46,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:46,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:46,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:46,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:32:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:46,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:46,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:46,996 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:46,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:32:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:49,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:50,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:50,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:50,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:32:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:50,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:50,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:50,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:50,217 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:50,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:32:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:53,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:53,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:53,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:53,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:53,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:32:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:53,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:53,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:53,490 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:53,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:32:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:56,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:56,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:56,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:56,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:32:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:56,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:56,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:56,717 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:56,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:32:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:59,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:59,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:32:59,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:32:59,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 01:32:59,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:32:59,930 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:32:59,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:32:59,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:59,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:59,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:59,931 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:59,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:33:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:02,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:03,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:03,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:03,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 01:33:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:03,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:03,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:03,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:03,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:03,365 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:03,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 01:33:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:06,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:06,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:06,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:06,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-03 01:33:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:06,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:06,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:06,623 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 01:33:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:09,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:09,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:09,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:09,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-03 01:33:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:09,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:09,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:09,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:09,807 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:09,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 01:33:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:12,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:13,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:13,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:13,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 01:33:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:13,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:13,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:13,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:13,269 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:13,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 01:33:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:16,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:16,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:16,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:16,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 01:33:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:16,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:16,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:16,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:16,688 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:16,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 01:33:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:20,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:20,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:20,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:20,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 01:33:20,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:20,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:20,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:20,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:20,424 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:20,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 01:33:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:23,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:23,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:23,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:23,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 01:33:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:23,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:23,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:23,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:23,887 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:23,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 01:33:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:26,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:26,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:26,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:26,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 01:33:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:26,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:26,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:26,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:26,958 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:26,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 01:33:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:30,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:30,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:30,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:30,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 01:33:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:30,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:30,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:30,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:30,389 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:30,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 01:33:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:33,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:34,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:34,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:34,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2023-12-03 01:33:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:34,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:34,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:34,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:34,166 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:34,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 01:33:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:37,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:37,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:37,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:37,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 01:33:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:37,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:37,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:37,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:37,854 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:37,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 01:33:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:41,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:41,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:41,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:41,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 01:33:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:41,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:41,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:41,581 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:41,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 01:33:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:44,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:45,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:45,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:45,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 01:33:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:45,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:45,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:45,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:45,055 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:45,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 01:33:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:48,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:48,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:48,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:48,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-03 01:33:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:48,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:48,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:48,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:48,879 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:48,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 01:33:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:52,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:52,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:52,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:52,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 01:33:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:52,821 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:52,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:52,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:52,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:52,823 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:52,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 01:33:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:56,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:56,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:56,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:33:56,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 01:33:56,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:33:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:33:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:33:56,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:56,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:56,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:56,602 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:56,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 01:34:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:00,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:00,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:00,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:00,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 01:34:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:00,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:00,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:00,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:00,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:00,372 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:00,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 01:34:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:03,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:04,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:04,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:04,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 01:34:04,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:04,342 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:04,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:04,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:04,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:04,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:04,344 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:04,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 01:34:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:07,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:08,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:08,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:08,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 01:34:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:08,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:08,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:08,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:08,315 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:08,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 01:34:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:11,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:12,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:12,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:12,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 01:34:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:12,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:12,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:12,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:12,340 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:12,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 01:34:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:16,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:16,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:16,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:16,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 01:34:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:16,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:16,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:16,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:16,757 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:16,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 01:34:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:20,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:20,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:20,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:20,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 01:34:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:20,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:20,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:20,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:20,905 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:20,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 01:34:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:24,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:25,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:25,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:25,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 01:34:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:25,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:25,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:25,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:25,109 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:25,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 01:34:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:29,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:29,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:29,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:29,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 01:34:29,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:29,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:29,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:29,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:29,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:29,486 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:29,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 01:34:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:33,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:33,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:33,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:33,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 01:34:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:33,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:33,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:33,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:33,716 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:33,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 01:34:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:37,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:37,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:37,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:37,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 01:34:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:37,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:37,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:37,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:37,973 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:37,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 01:34:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:41,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:41,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:41,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:41,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 01:34:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:42,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:42,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:42,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:42,005 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:42,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 01:34:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:46,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:46,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:46,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:46,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 01:34:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:46,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:46,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:46,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:46,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:46,371 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:46,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 01:34:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:50,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:50,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:50,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:50,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 01:34:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:50,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:50,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:50,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:50,683 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:50,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 01:34:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:54,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:55,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:55,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:55,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 01:34:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:55,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:55,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:55,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:55,199 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:55,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 01:34:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:59,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:59,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:34:59,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:34:59,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 01:34:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:34:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:34:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:34:59,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:59,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:59,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:59,518 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:59,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 01:35:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:03,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:04,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:04,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:04,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 01:35:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:04,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:04,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:04,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:04,112 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:04,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 01:35:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:08,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:08,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:08,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:08,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:08,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 01:35:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:08,902 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:08,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:08,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:08,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:08,903 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:08,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 01:35:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:13,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:13,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:13,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:13,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 01:35:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:13,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:13,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:13,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:13,975 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:13,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 01:35:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:18,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:18,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:18,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:18,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 01:35:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:18,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:18,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:18,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:18,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:18,691 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:18,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 01:35:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:23,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:23,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:23,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:23,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 01:35:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:23,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:23,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:23,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:23,424 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:23,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 01:35:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:28,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:28,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:28,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:28,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:28,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 01:35:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:28,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:28,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:28,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:28,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:28,801 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:28,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 01:35:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:33,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:34,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:34,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:34,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 01:35:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:34,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:34,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:34,096 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:34,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 01:35:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:38,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:39,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:39,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:39,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 01:35:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:39,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:39,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:39,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:39,401 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:39,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 01:35:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:44,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:44,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:44,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:44,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 01:35:44,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:44,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:44,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:44,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:44,757 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:44,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 01:35:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:50,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:50,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:50,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:50,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 01:35:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:50,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:50,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:50,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:50,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:50,622 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:50,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 01:35:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:55,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:55,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:35:55,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:35:55,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 01:35:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:35:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:35:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:35:55,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:55,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:55,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:55,734 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:55,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 01:36:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:00,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:01,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:01,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:01,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 01:36:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:01,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:01,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:01,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:01,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:01,364 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:01,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 01:36:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:06,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:06,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:06,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:06,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 01:36:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:06,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:06,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:06,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:06,616 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:06,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 01:36:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:11,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:11,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:11,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:12,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 01:36:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:12,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:12,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:12,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:12,049 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:12,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 01:36:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:16,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:17,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:17,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:17,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2023-12-03 01:36:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:17,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:17,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:17,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:17,267 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:17,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 01:36:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:21,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:22,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:22,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:22,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:22,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 01:36:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:22,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:22,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:22,232 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:22,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 01:36:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:27,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:27,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:27,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:27,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 01:36:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:27,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:27,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:27,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:27,558 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:27,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 01:36:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:32,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:32,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:32,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:32,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 01:36:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:32,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:32,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:32,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:32,922 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:32,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 01:36:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:37,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:38,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:38,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:38,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 01:36:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:38,237 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:38,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:38,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:38,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:38,239 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:38,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 01:36:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:43,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:43,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:43,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:43,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 01:36:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:43,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:43,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:43,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:43,628 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:43,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 01:36:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:48,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:48,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:48,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:48,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2023-12-03 01:36:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:48,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:48,878 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:48,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:48,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:48,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:48,879 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:48,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 01:36:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:54,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:36:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:54,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:36:54,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:36:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:36:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 01:36:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:54,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:36:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:36:54,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:36:54,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:54,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:36:54,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:36:54,488 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:36:54,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 01:36:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:59,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:00,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:00,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:00,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 01:37:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:00,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:00,193 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:00,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:00,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:00,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:00,194 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:00,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 01:37:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:05,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:05,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:05,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:05,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 01:37:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:05,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:05,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:05,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:05,717 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:05,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 01:37:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:11,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:12,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:12,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:12,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 01:37:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:12,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:12,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:12,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:12,121 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:12,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 01:37:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:17,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:18,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:18,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:18,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 01:37:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:18,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:18,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:18,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:18,078 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:18,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 01:37:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:23,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:23,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:23,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:23,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 01:37:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:23,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:23,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:23,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:23,743 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:23,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 01:37:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:28,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:29,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:29,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:29,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 01:37:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:29,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:29,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:29,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:29,195 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:29,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 01:37:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:34,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:34,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:34,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:34,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 01:37:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:34,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:34,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:34,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:34,930 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:34,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 01:37:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:40,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:40,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:40,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:40,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 01:37:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:40,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:40,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:40,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:40,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:40,613 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:40,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 01:37:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:45,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:46,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:46,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:46,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2023-12-03 01:37:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:46,270 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:46,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:46,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:46,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:46,271 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:46,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 01:37:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:51,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:52,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:52,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:52,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 01:37:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:52,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:52,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:52,261 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:52,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 01:37:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:59,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:37:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:59,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:37:59,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:37:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:37:59,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 01:37:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:37:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:37:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:37:59,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:59,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:59,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:37:59,515 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:37:59,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 01:38:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:05,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:05,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:05,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:05,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 01:38:05,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:05,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:05,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:05,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:05,958 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:05,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 01:38:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:11,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:11,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:11,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:11,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 01:38:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:11,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:11,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:11,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:11,675 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:11,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 01:38:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:17,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:18,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:18,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:18,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 01:38:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:18,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:18,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:18,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:18,208 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:18,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 01:38:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:25,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:25,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:25,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:25,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 01:38:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:25,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:25,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:25,634 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:25,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 01:38:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:32,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:33,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:33,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:33,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 01:38:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:33,122 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:33,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:33,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:33,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:33,124 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:33,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 01:38:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:40,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:40,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:40,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:40,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 01:38:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:40,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:40,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:40,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:40,836 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:40,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 01:38:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:47,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:47,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:47,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:47,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 01:38:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:47,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:47,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:47,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:47,785 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:47,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 01:38:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:54,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:55,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:55,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:38:55,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 01:38:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:38:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:38:55,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:38:55,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:55,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:55,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:55,325 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:55,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 01:39:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:39:02,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:39:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:39:02,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:39:02,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:39:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:39:02,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 01:39:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:39:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2023-12-03 01:39:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-03 01:39:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:39:02,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:39:02,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:39:02,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:39:02,552 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:39:02,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_663c348f-0b57-4b6c-8a4a-6fb720355ce2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process