./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/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_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2b93d9cdf019464a7132a47df13bc38f66feab56a28fc9b80b5d3e4c2c3e53cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:03:12,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:03:12,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:03:12,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:03:12,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:03:12,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:03:12,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:03:12,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:03:12,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:03:12,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:03:12,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:03:12,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:03:12,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:03:12,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:03:12,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:03:12,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:03:12,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:03:12,209 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:03:12,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:03:12,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:03:12,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:03:12,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:03:12,216 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:03:12,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:03:12,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:03:12,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:12,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:03:12,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:03:12,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:03:12,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:03:12,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:03:12,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:03:12,221 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_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b93d9cdf019464a7132a47df13bc38f66feab56a28fc9b80b5d3e4c2c3e53cd [2023-12-03 02:03:12,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:03:12,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:03:12,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:03:12,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:03:12,529 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:03:12,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-1.i [2023-12-03 02:03:15,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:03:16,228 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:03:16,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-1.i [2023-12-03 02:03:16,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data/f84cb1e2a/6e9135f9b1e34240817bafd675a0c0d6/FLAGe83db7e93 [2023-12-03 02:03:16,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data/f84cb1e2a/6e9135f9b1e34240817bafd675a0c0d6 [2023-12-03 02:03:16,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:03:16,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:03:16,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:16,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:03:16,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:03:16,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:16" (1/1) ... [2023-12-03 02:03:16,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e02586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:16, skipping insertion in model container [2023-12-03 02:03:16,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:16" (1/1) ... [2023-12-03 02:03:16,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:03:17,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:17,803 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:03:17,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:18,115 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:18,116 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:18,123 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:03:18,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18 WrapperNode [2023-12-03 02:03:18,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:18,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:18,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:03:18,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:03:18,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,244 INFO L138 Inliner]: procedures = 615, calls = 250, calls flagged for inlining = 25, calls inlined = 23, statements flattened = 738 [2023-12-03 02:03:18,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:18,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:03:18,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:03:18,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:03:18,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:03:18,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:03:18,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:03:18,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:03:18,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:18,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:03:18,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:03:18,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:03:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2023-12-03 02:03:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure execvp [2023-12-03 02:03:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-12-03 02:03:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:03:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-03 02:03:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 02:03:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:03:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:03:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 02:03:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:03:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:03:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:03:18,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:03:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 02:03:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 02:03:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 02:03:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 02:03:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-12-03 02:03:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-12-03 02:03:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:03:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:03:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:03:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:03:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:03:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:03:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:03:18,884 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:03:18,887 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:03:19,722 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:03:19,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:03:19,936 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 02:03:19,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:19 BoogieIcfgContainer [2023-12-03 02:03:19,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:03:19,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:03:19,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:03:19,954 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:03:19,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:19" (1/1) ... [2023-12-03 02:03:19,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:03:20,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 183 states and 232 transitions. [2023-12-03 02:03:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 232 transitions. [2023-12-03 02:03:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:03:20,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:20,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 185 states and 235 transitions. [2023-12-03 02:03:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2023-12-03 02:03:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:03:20,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 186 states and 236 transitions. [2023-12-03 02:03:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 236 transitions. [2023-12-03 02:03:20,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:03:20,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:20,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:21,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 188 states and 239 transitions. [2023-12-03 02:03:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 239 transitions. [2023-12-03 02:03:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:03:21,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:21,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:03:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 187 states and 238 transitions. [2023-12-03 02:03:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2023-12-03 02:03:21,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:03:21,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:21,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 188 states and 239 transitions. [2023-12-03 02:03:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 239 transitions. [2023-12-03 02:03:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:03:21,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:21,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:03:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 187 states and 238 transitions. [2023-12-03 02:03:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2023-12-03 02:03:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:03:21,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:21,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:22,084 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 02:03:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 237 transitions. [2023-12-03 02:03:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2023-12-03 02:03:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:03:22,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:22,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 240 transitions. [2023-12-03 02:03:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2023-12-03 02:03:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:03:22,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:22,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 192 states and 243 transitions. [2023-12-03 02:03:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2023-12-03 02:03:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:03:22,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:22,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 195 states and 246 transitions. [2023-12-03 02:03:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 246 transitions. [2023-12-03 02:03:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:03:23,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 198 states and 249 transitions. [2023-12-03 02:03:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 249 transitions. [2023-12-03 02:03:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:03:23,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:23,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 201 states and 252 transitions. [2023-12-03 02:03:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 252 transitions. [2023-12-03 02:03:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:03:24,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 204 states and 255 transitions. [2023-12-03 02:03:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 255 transitions. [2023-12-03 02:03:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:03:25,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:25,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 207 states and 258 transitions. [2023-12-03 02:03:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 258 transitions. [2023-12-03 02:03:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:03:25,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 210 states and 260 transitions. [2023-12-03 02:03:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 260 transitions. [2023-12-03 02:03:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:03:26,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:26,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 209 states and 259 transitions. [2023-12-03 02:03:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 259 transitions. [2023-12-03 02:03:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:03:27,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 208 states and 258 transitions. [2023-12-03 02:03:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 258 transitions. [2023-12-03 02:03:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:03:27,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:27,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:27,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 207 states and 257 transitions. [2023-12-03 02:03:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 257 transitions. [2023-12-03 02:03:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:03:27,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:27,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:28,045 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:28,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 208 states and 259 transitions. [2023-12-03 02:03:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 259 transitions. [2023-12-03 02:03:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:03:28,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:28,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:28,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 209 states and 260 transitions. [2023-12-03 02:03:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 260 transitions. [2023-12-03 02:03:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:03:28,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:28,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:28,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 210 states and 261 transitions. [2023-12-03 02:03:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 261 transitions. [2023-12-03 02:03:28,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:03:28,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:28,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 212 states and 265 transitions. [2023-12-03 02:03:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 265 transitions. [2023-12-03 02:03:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:03:28,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:28,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 02:03:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 218 states and 276 transitions. [2023-12-03 02:03:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 276 transitions. [2023-12-03 02:03:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:03:29,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:29,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:30,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 220 states and 280 transitions. [2023-12-03 02:03:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 280 transitions. [2023-12-03 02:03:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:03:30,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:30,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 221 states and 281 transitions. [2023-12-03 02:03:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 281 transitions. [2023-12-03 02:03:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:03:30,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:30,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 02:03:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 222 states and 282 transitions. [2023-12-03 02:03:30,548 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 282 transitions. [2023-12-03 02:03:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:03:30,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 02:03:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 221 states and 281 transitions. [2023-12-03 02:03:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 281 transitions. [2023-12-03 02:03:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:03:31,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:31,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 223 states and 285 transitions. [2023-12-03 02:03:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 285 transitions. [2023-12-03 02:03:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:03:31,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:31,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 02:03:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 225 states and 287 transitions. [2023-12-03 02:03:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 287 transitions. [2023-12-03 02:03:32,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:03:32,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:32,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:32,376 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 226 states and 290 transitions. [2023-12-03 02:03:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 290 transitions. [2023-12-03 02:03:33,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:03:33,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:33,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 229 states and 294 transitions. [2023-12-03 02:03:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 294 transitions. [2023-12-03 02:03:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:03:33,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:33,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:34,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 228 states and 293 transitions. [2023-12-03 02:03:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 293 transitions. [2023-12-03 02:03:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:03:34,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:34,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-03 02:03:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 229 states and 293 transitions. [2023-12-03 02:03:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 293 transitions. [2023-12-03 02:03:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:03:34,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 02:03:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 241 states and 316 transitions. [2023-12-03 02:03:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 316 transitions. [2023-12-03 02:03:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:03:36,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:36,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 242 states and 317 transitions. [2023-12-03 02:03:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 317 transitions. [2023-12-03 02:03:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:03:37,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:37,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 244 states and 318 transitions. [2023-12-03 02:03:38,187 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 318 transitions. [2023-12-03 02:03:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:03:38,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:38,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-03 02:03:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 246 states and 319 transitions. [2023-12-03 02:03:38,784 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 319 transitions. [2023-12-03 02:03:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:03:38,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:38,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-03 02:03:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 248 states and 320 transitions. [2023-12-03 02:03:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 320 transitions. [2023-12-03 02:03:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:03:39,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:39,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:03:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 249 states and 322 transitions. [2023-12-03 02:03:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 322 transitions. [2023-12-03 02:03:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:03:39,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:39,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:03:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:40,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 250 states and 322 transitions. [2023-12-03 02:03:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 322 transitions. [2023-12-03 02:03:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:03:40,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:40,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 299 states and 386 transitions. [2023-12-03 02:03:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 386 transitions. [2023-12-03 02:03:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:03:47,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:47,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 302 states and 390 transitions. [2023-12-03 02:03:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 390 transitions. [2023-12-03 02:03:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:03:48,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:48,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:48,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 304 states and 393 transitions. [2023-12-03 02:03:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 393 transitions. [2023-12-03 02:03:48,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:03:48,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:48,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:49,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 307 states and 399 transitions. [2023-12-03 02:03:49,157 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 399 transitions. [2023-12-03 02:03:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:03:49,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:49,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 308 states and 400 transitions. [2023-12-03 02:03:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 400 transitions. [2023-12-03 02:03:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:03:49,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:49,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 02:03:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 317 states and 417 transitions. [2023-12-03 02:03:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 417 transitions. [2023-12-03 02:03:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:03:52,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:52,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-12-03 02:03:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 318 states and 418 transitions. [2023-12-03 02:03:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 418 transitions. [2023-12-03 02:03:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:03:53,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:53,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 319 states and 419 transitions. [2023-12-03 02:03:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 419 transitions. [2023-12-03 02:03:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:03:53,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:53,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 02:03:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 329 states and 436 transitions. [2023-12-03 02:03:56,473 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 436 transitions. [2023-12-03 02:03:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:03:56,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-03 02:03:56,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 329 states and 435 transitions. [2023-12-03 02:03:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 435 transitions. [2023-12-03 02:03:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:03:56,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:56,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 332 states and 440 transitions. [2023-12-03 02:03:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 440 transitions. [2023-12-03 02:03:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:03:57,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:57,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 02:03:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 334 states and 441 transitions. [2023-12-03 02:03:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 441 transitions. [2023-12-03 02:03:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:03:58,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:58,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:03:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:58,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 336 states and 442 transitions. [2023-12-03 02:03:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 442 transitions. [2023-12-03 02:03:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:03:58,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:58,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:03:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 335 states and 441 transitions. [2023-12-03 02:03:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 441 transitions. [2023-12-03 02:03:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:03:59,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 338 states and 447 transitions. [2023-12-03 02:04:00,788 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 447 transitions. [2023-12-03 02:04:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:04:00,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:00,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:04:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 342 states and 452 transitions. [2023-12-03 02:04:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 452 transitions. [2023-12-03 02:04:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:04:01,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:01,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 02:04:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 344 states and 453 transitions. [2023-12-03 02:04:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 453 transitions. [2023-12-03 02:04:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 02:04:02,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:02,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 02:04:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 345 states and 455 transitions. [2023-12-03 02:04:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 455 transitions. [2023-12-03 02:04:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:04:04,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:04:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:05,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 307 states and 411 transitions. [2023-12-03 02:04:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 411 transitions. [2023-12-03 02:04:05,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:04:05,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:05,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:05,768 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-12-03 02:04:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 304 states and 404 transitions. [2023-12-03 02:04:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 404 transitions. [2023-12-03 02:04:06,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:04:06,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:04:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 312 states and 416 transitions. [2023-12-03 02:04:10,911 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 416 transitions. [2023-12-03 02:04:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 02:04:10,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:10,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-03 02:04:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 341 states and 463 transitions. [2023-12-03 02:04:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 463 transitions. [2023-12-03 02:04:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:04:21,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:21,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:04:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 332 states and 449 transitions. [2023-12-03 02:04:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 449 transitions. [2023-12-03 02:04:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:04:22,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:22,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 02:04:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 334 states and 450 transitions. [2023-12-03 02:04:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 450 transitions. [2023-12-03 02:04:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:04:23,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:23,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 02:04:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 336 states and 451 transitions. [2023-12-03 02:04:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2023-12-03 02:04:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:04:24,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:24,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-12-03 02:04:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 338 states and 452 transitions. [2023-12-03 02:04:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 452 transitions. [2023-12-03 02:04:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 02:04:25,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 341 states and 455 transitions. [2023-12-03 02:04:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 455 transitions. [2023-12-03 02:04:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 02:04:27,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:27,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 344 states and 458 transitions. [2023-12-03 02:04:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2023-12-03 02:04:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 02:04:28,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:28,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 347 states and 461 transitions. [2023-12-03 02:04:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 461 transitions. [2023-12-03 02:04:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:04:30,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:30,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 350 states and 464 transitions. [2023-12-03 02:04:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 464 transitions. [2023-12-03 02:04:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 02:04:31,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:31,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 353 states and 467 transitions. [2023-12-03 02:04:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 467 transitions. [2023-12-03 02:04:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 02:04:32,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:32,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 356 states and 470 transitions. [2023-12-03 02:04:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 470 transitions. [2023-12-03 02:04:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 02:04:34,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:34,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 359 states and 473 transitions. [2023-12-03 02:04:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 473 transitions. [2023-12-03 02:04:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:04:35,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:35,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:04:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 362 states and 475 transitions. [2023-12-03 02:04:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 475 transitions. [2023-12-03 02:04:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:04:36,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-03 02:05:04,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 409 states and 550 transitions. [2023-12-03 02:05:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 550 transitions. [2023-12-03 02:05:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:05:04,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:04,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-03 02:05:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 411 states and 557 transitions. [2023-12-03 02:05:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 557 transitions. [2023-12-03 02:05:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 02:05:09,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:09,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-03 02:05:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 416 states and 563 transitions. [2023-12-03 02:05:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 563 transitions. [2023-12-03 02:05:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 02:05:16,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:16,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-03 02:05:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 415 states and 562 transitions. [2023-12-03 02:05:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 562 transitions. [2023-12-03 02:05:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:05:18,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:18,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 149 proven. 28 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:05:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 416 states and 562 transitions. [2023-12-03 02:05:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 562 transitions. [2023-12-03 02:05:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:05:20,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:20,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:05:22,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 420 states and 567 transitions. [2023-12-03 02:05:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 567 transitions. [2023-12-03 02:05:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:05:22,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:22,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-03 02:05:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:26,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 429 states and 579 transitions. [2023-12-03 02:05:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 579 transitions. [2023-12-03 02:05:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:05:26,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-03 02:05:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:31,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 438 states and 591 transitions. [2023-12-03 02:05:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 591 transitions. [2023-12-03 02:05:31,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 02:05:31,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:31,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:05:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 442 states and 596 transitions. [2023-12-03 02:05:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 596 transitions. [2023-12-03 02:05:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:05:32,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:32,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-12-03 02:05:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 444 states and 597 transitions. [2023-12-03 02:05:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 597 transitions. [2023-12-03 02:05:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:05:33,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-12-03 02:05:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 386 states and 515 transitions. [2023-12-03 02:05:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 515 transitions. [2023-12-03 02:05:34,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 02:05:34,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:34,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:05:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 386 states and 514 transitions. [2023-12-03 02:05:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 514 transitions. [2023-12-03 02:05:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 02:05:34,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:34,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:05:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 367 states and 482 transitions. [2023-12-03 02:05:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 482 transitions. [2023-12-03 02:05:34,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 02:05:34,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:05:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 370 states and 485 transitions. [2023-12-03 02:05:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 485 transitions. [2023-12-03 02:05:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 02:05:36,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:36,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:05:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 374 states and 490 transitions. [2023-12-03 02:05:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2023-12-03 02:05:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 02:05:38,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:38,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:06:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:09,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 430 states and 574 transitions. [2023-12-03 02:06:09,784 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 574 transitions. [2023-12-03 02:06:09,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-03 02:06:09,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:09,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 108 proven. 12 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:06:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 433 states and 577 transitions. [2023-12-03 02:06:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 577 transitions. [2023-12-03 02:06:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 02:06:11,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:11,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:06:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 437 states and 583 transitions. [2023-12-03 02:06:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 583 transitions. [2023-12-03 02:06:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 02:06:13,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 139 proven. 22 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:06:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 440 states and 586 transitions. [2023-12-03 02:06:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 586 transitions. [2023-12-03 02:06:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 02:06:14,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:14,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:06:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 455 states and 624 transitions. [2023-12-03 02:06:31,727 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 624 transitions. [2023-12-03 02:06:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 02:06:31,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:31,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-12-03 02:06:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 473 states and 666 transitions. [2023-12-03 02:06:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 666 transitions. [2023-12-03 02:06:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-03 02:06:57,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:57,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:08:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 524 states and 765 transitions. [2023-12-03 02:08:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 765 transitions. [2023-12-03 02:08:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 02:08:06,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 170 proven. 35 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:08:09,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:09,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 527 states and 768 transitions. [2023-12-03 02:08:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 768 transitions. [2023-12-03 02:08:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 02:08:09,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:09,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 201 proven. 51 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:08:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 530 states and 771 transitions. [2023-12-03 02:08:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 771 transitions. [2023-12-03 02:08:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:08:11,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:11,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 232 proven. 70 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:08:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 533 states and 774 transitions. [2023-12-03 02:08:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 774 transitions. [2023-12-03 02:08:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-03 02:08:14,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 263 proven. 92 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:08:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 536 states and 777 transitions. [2023-12-03 02:08:16,927 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 777 transitions. [2023-12-03 02:08:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-03 02:08:16,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:16,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 294 proven. 117 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:08:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 539 states and 779 transitions. [2023-12-03 02:08:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 779 transitions. [2023-12-03 02:08:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-03 02:08:18,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:18,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:08:19,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:08:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:08:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:08:31,719 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:08:31,722 INFO L158 Benchmark]: Toolchain (without parser) took 315438.19ms. Allocated memory was 165.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 119.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 308.8MB. Max. memory is 16.1GB. [2023-12-03 02:08:31,722 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 165.7MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:08:31,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1839.75ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 84.9MB in the end (delta: 34.7MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2023-12-03 02:08:31,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.48ms. Allocated memory is still 165.7MB. Free memory was 84.9MB in the beginning and 78.1MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:08:31,723 INFO L158 Benchmark]: Boogie Preprocessor took 105.68ms. Allocated memory is still 165.7MB. Free memory was 78.1MB in the beginning and 71.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:08:31,723 INFO L158 Benchmark]: RCFGBuilder took 1587.35ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 71.8MB in the beginning and 156.9MB in the end (delta: -85.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-12-03 02:08:31,724 INFO L158 Benchmark]: CodeCheck took 311780.62ms. Allocated memory was 213.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 156.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 295.0MB. Max. memory is 16.1GB. [2023-12-03 02:08:31,726 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 0.22ms. Allocated memory is still 165.7MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1839.75ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 84.9MB in the end (delta: 34.7MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.48ms. Allocated memory is still 165.7MB. Free memory was 84.9MB in the beginning and 78.1MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.68ms. Allocated memory is still 165.7MB. Free memory was 78.1MB in the beginning and 71.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1587.35ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 71.8MB in the beginning and 156.9MB in the end (delta: -85.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * CodeCheck took 311780.62ms. Allocated memory was 213.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 156.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 295.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:08:31,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/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_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/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_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2b93d9cdf019464a7132a47df13bc38f66feab56a28fc9b80b5d3e4c2c3e53cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:08:33,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:08:33,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:08:33,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:08:33,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:08:33,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:08:33,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:08:33,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:08:33,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:08:33,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:08:33,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:08:33,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:08:33,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:08:33,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:08:33,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:08:33,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:08:33,777 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:08:33,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:08:33,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:08:33,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:08:33,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:08:33,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:08:33,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:08:33,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:08:33,782 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:33,782 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:08:33,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:08:33,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:08:33,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:08:33,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:08:33,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:08:33,784 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:08:33,785 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:33,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:08:33,785 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:08:33,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:08:33,786 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_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b93d9cdf019464a7132a47df13bc38f66feab56a28fc9b80b5d3e4c2c3e53cd [2023-12-03 02:08:34,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:08:34,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:08:34,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:08:34,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:08:34,097 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:08:34,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-1.i [2023-12-03 02:08:36,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:08:37,226 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:08:37,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-1.i [2023-12-03 02:08:37,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data/128de0b0e/5f8b62bc4e1f40e2b225082ef52f674f/FLAG81f022a10 [2023-12-03 02:08:37,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/data/128de0b0e/5f8b62bc4e1f40e2b225082ef52f674f [2023-12-03 02:08:37,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:08:37,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:08:37,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:08:37,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:08:37,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:08:37,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:08:37" (1/1) ... [2023-12-03 02:08:37,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3abc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:37, skipping insertion in model container [2023-12-03 02:08:37,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:08:37" (1/1) ... [2023-12-03 02:08:37,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:08:38,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:08:38,343 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:08:38,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:08:38,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:08:38,496 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:08:38,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:08:38,784 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:08:38,785 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:08:38,790 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:08:38,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38 WrapperNode [2023-12-03 02:08:38,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:08:38,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:08:38,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:08:38,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:08:38,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,894 INFO L138 Inliner]: procedures = 629, calls = 250, calls flagged for inlining = 25, calls inlined = 23, statements flattened = 702 [2023-12-03 02:08:38,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:08:38,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:08:38,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:08:38,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:08:38,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:08:38,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:08:38,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:08:38,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:08:38,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:38" (1/1) ... [2023-12-03 02:08:38,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:08:39,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:08:39,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:08:39,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:08:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2023-12-03 02:08:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure execvp [2023-12-03 02:08:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-12-03 02:08:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:08:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:08:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:08:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:08:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 02:08:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:08:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:08:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-12-03 02:08:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-12-03 02:08:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-12-03 02:08:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-12-03 02:08:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:08:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:08:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:08:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 02:08:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 02:08:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:08:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 02:08:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 02:08:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-12-03 02:08:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-12-03 02:08:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:08:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:08:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:08:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:08:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-03 02:08:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:08:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:08:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-12-03 02:08:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-12-03 02:08:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 02:08:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-12-03 02:08:39,442 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:08:39,444 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:08:53,856 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:08:54,018 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:08:54,018 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 02:08:54,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:08:54 BoogieIcfgContainer [2023-12-03 02:08:54,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:08:54,021 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:08:54,021 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:08:54,030 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:08:54,031 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:08:54" (1/1) ... [2023-12-03 02:08:54,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:08:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 183 states and 232 transitions. [2023-12-03 02:08:54,101 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 232 transitions. [2023-12-03 02:08:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:08:54,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:54,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:54,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:54,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:54,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:08:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:54,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:54,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:08:54,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:54,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:08:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 182 states and 231 transitions. [2023-12-03 02:08:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2023-12-03 02:08:54,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:08:54,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:54,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:54,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:54,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:54,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:08:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:55,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:55,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:08:55,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:55,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:08:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 185 states and 235 transitions. [2023-12-03 02:08:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2023-12-03 02:08:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:08:55,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:55,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:55,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:55,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:55,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:08:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:56,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:56,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:08:56,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:56,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:08:56,466 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:08:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 188 states and 238 transitions. [2023-12-03 02:08:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 238 transitions. [2023-12-03 02:08:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:08:56,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:56,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:56,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:56,644 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:56,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:08:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:57,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:57,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:08:57,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:57,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:08:57,391 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:08:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 191 states and 241 transitions. [2023-12-03 02:08:57,583 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 241 transitions. [2023-12-03 02:08:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:08:57,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:57,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:57,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:57,585 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:57,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:08:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:58,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:58,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:08:58,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:58,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:08:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 194 states and 244 transitions. [2023-12-03 02:08:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 244 transitions. [2023-12-03 02:08:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:08:58,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:58,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:58,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:58,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:58,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:08:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:59,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:59,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:08:59,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:59,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:08:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 197 states and 247 transitions. [2023-12-03 02:08:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2023-12-03 02:08:59,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:08:59,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:59,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:59,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:59,510 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:59,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:09:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:00,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:00,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:09:00,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:00,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 200 states and 250 transitions. [2023-12-03 02:09:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 250 transitions. [2023-12-03 02:09:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:09:00,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:00,596 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:00,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:09:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:01,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:01,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:09:01,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:01,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:09:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 203 states and 253 transitions. [2023-12-03 02:09:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 253 transitions. [2023-12-03 02:09:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:09:01,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:01,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:01,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:01,668 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:01,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:09:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:02,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:02,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:09:02,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:02,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:02,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 206 states and 256 transitions. [2023-12-03 02:09:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 256 transitions. [2023-12-03 02:09:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:09:02,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:02,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:02,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:02,810 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:02,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:09:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:03,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:03,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:09:03,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:03,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 209 states and 259 transitions. [2023-12-03 02:09:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 259 transitions. [2023-12-03 02:09:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:09:04,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:04,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:04,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:04,040 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:04,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:09:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:04,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:04,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:04,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:04,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 212 states and 262 transitions. [2023-12-03 02:09:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 262 transitions. [2023-12-03 02:09:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:09:05,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:05,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:05,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:05,303 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:05,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:09:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:05,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:06,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:09:06,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:06,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:09:06,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 209 states and 257 transitions. [2023-12-03 02:09:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 257 transitions. [2023-12-03 02:09:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:09:06,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:06,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:06,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:06,637 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:06,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:09:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:06,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:07,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:07,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:07,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:09:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 208 states and 256 transitions. [2023-12-03 02:09:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 256 transitions. [2023-12-03 02:09:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:09:07,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:07,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:07,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:07,092 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:07,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:09:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:07,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:07,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:09:07,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:08,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:09:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 207 states and 255 transitions. [2023-12-03 02:09:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 255 transitions. [2023-12-03 02:09:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:09:08,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:08,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:08,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:08,428 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:08,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:09:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:08,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:08,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:08,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:08,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 206 states and 254 transitions. [2023-12-03 02:09:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 254 transitions. [2023-12-03 02:09:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:09:08,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:08,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:08,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:08,971 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:08,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:09:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:09,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:09,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:09,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:09,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:09:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 205 states and 253 transitions. [2023-12-03 02:09:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 253 transitions. [2023-12-03 02:09:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:09:09,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:09,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:09,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:09,824 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:09,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:09:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:10,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:10,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:10,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:10,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 204 states and 252 transitions. [2023-12-03 02:09:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 252 transitions. [2023-12-03 02:09:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:09:10,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:10,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:10,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:10,396 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:10,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:09:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:10,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:11,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:11,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:11,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:09:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 203 states and 251 transitions. [2023-12-03 02:09:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 251 transitions. [2023-12-03 02:09:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:09:11,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:11,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:11,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:11,057 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:11,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:09:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:11,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:11,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:11,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:12,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:09:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 207 states and 259 transitions. [2023-12-03 02:09:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 259 transitions. [2023-12-03 02:09:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:09:12,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:12,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:12,654 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:12,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:09:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:13,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:13,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:13,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:13,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 210 states and 265 transitions. [2023-12-03 02:09:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 265 transitions. [2023-12-03 02:09:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:09:14,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:14,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:14,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:14,423 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:14,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:09:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:14,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:15,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:15,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:15,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:09:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 209 states and 264 transitions. [2023-12-03 02:09:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 264 transitions. [2023-12-03 02:09:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:09:15,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:15,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:15,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:15,145 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:15,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:09:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:16,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:16,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:16,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:16,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:09:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 212 states and 269 transitions. [2023-12-03 02:09:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2023-12-03 02:09:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:09:16,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:16,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:16,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:16,514 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:16,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:09:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:17,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:17,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:17,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 02:09:17,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:09:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 270 transitions. [2023-12-03 02:09:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 270 transitions. [2023-12-03 02:09:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:09:17,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:17,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:17,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:17,801 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:17,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:09:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:18,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:18,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:09:18,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:19,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:09:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 217 states and 275 transitions. [2023-12-03 02:09:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 275 transitions. [2023-12-03 02:09:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:09:20,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:20,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:20,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:20,032 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:20,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:09:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:21,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:21,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:09:21,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:21,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:09:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 220 states and 279 transitions. [2023-12-03 02:09:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 279 transitions. [2023-12-03 02:09:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:09:21,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:21,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:21,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:21,839 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:21,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:09:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:22,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:22,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:22,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 02:09:22,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:09:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 222 states and 280 transitions. [2023-12-03 02:09:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 280 transitions. [2023-12-03 02:09:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:09:23,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:23,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:23,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:23,270 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:23,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:09:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:24,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:24,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:09:24,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:24,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 225 states and 285 transitions. [2023-12-03 02:09:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 285 transitions. [2023-12-03 02:09:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:09:25,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:25,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:25,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:25,694 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:25,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:09:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:26,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:26,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:09:26,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:27,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:09:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 228 states and 289 transitions. [2023-12-03 02:09:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 289 transitions. [2023-12-03 02:09:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:09:27,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:27,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:27,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:27,595 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:27,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:09:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:28,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:28,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:28,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-03 02:09:28,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:09:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:29,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 230 states and 290 transitions. [2023-12-03 02:09:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 290 transitions. [2023-12-03 02:09:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:09:29,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:29,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:29,135 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:29,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:09:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:30,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:30,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:09:30,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:30,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:09:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 233 states and 295 transitions. [2023-12-03 02:09:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 295 transitions. [2023-12-03 02:09:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:09:31,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:31,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:31,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:31,764 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:31,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:09:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:32,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:32,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:32,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:32,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:09:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 232 states and 294 transitions. [2023-12-03 02:09:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 294 transitions. [2023-12-03 02:09:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:09:32,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:32,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:32,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:32,695 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:32,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:09:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:33,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:33,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:09:33,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:33,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 234 states and 295 transitions. [2023-12-03 02:09:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 295 transitions. [2023-12-03 02:09:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:09:34,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:34,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:34,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:34,393 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:34,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:09:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:35,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:35,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:09:35,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-12-03 02:09:35,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:09:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 235 states and 297 transitions. [2023-12-03 02:09:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 297 transitions. [2023-12-03 02:09:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:37,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:37,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:37,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:37,187 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:37,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:09:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:38,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:38,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:38,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-12-03 02:09:38,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:09:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 237 states and 298 transitions. [2023-12-03 02:09:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 298 transitions. [2023-12-03 02:09:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:38,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:38,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:38,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:38,822 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:38,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:09:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:39,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:40,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:09:40,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:40,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:09:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 240 states and 303 transitions. [2023-12-03 02:09:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 303 transitions. [2023-12-03 02:09:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:09:41,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:41,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:41,793 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:41,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:09:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:42,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:43,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:43,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-03 02:09:43,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:09:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 242 states and 304 transitions. [2023-12-03 02:09:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 304 transitions. [2023-12-03 02:09:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:09:43,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:43,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:43,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:43,630 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:43,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:09:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:44,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:45,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:09:45,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:45,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:09:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:46,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 245 states and 309 transitions. [2023-12-03 02:09:46,875 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 309 transitions. [2023-12-03 02:09:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:09:46,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:46,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:46,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:46,877 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:46,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:09:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:48,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:48,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:48,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 02:09:48,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:09:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 247 states and 310 transitions. [2023-12-03 02:09:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 310 transitions. [2023-12-03 02:09:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:09:48,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:48,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:48,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:48,809 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:48,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:09:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:50,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:50,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:09:50,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:50,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:09:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 250 states and 315 transitions. [2023-12-03 02:09:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 315 transitions. [2023-12-03 02:09:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:09:52,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:52,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:52,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:52,263 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:52,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:09:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:53,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:53,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:53,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-12-03 02:09:53,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:09:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 252 states and 316 transitions. [2023-12-03 02:09:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 316 transitions. [2023-12-03 02:09:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:09:54,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:54,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:54,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:54,205 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:54,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:09:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:55,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:55,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:09:55,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:09:56,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:09:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 255 states and 321 transitions. [2023-12-03 02:09:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 321 transitions. [2023-12-03 02:09:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:09:57,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:57,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:57,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:57,839 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:57,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:09:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:59,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:59,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:09:59,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-12-03 02:09:59,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:09:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 257 states and 322 transitions. [2023-12-03 02:09:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 322 transitions. [2023-12-03 02:09:59,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:09:59,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:59,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:59,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:59,902 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:59,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:10:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:01,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:01,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:10:01,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:10:01,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:10:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 260 states and 327 transitions. [2023-12-03 02:10:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 327 transitions. [2023-12-03 02:10:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 02:10:03,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:03,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:03,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:03,719 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:03,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:10:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:05,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:05,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:10:05,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-12-03 02:10:05,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:10:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 262 states and 328 transitions. [2023-12-03 02:10:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 328 transitions. [2023-12-03 02:10:05,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 02:10:05,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:05,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:05,977 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:05,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:10:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:07,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:07,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:07,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:10:08,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:10:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 265 states and 333 transitions. [2023-12-03 02:10:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 333 transitions. [2023-12-03 02:10:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:10:10,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:10,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:10,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:10,087 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:10,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:10:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:11,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:11,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:10:11,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-12-03 02:10:11,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:10:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 267 states and 334 transitions. [2023-12-03 02:10:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 334 transitions. [2023-12-03 02:10:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:10:12,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:12,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:12,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:12,336 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:12,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:10:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:13,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:14,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:10:14,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 02:10:14,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:10:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 268 states and 335 transitions. [2023-12-03 02:10:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 335 transitions. [2023-12-03 02:10:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 02:10:16,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:16,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:16,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:16,604 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:16,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:10:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:17,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:18,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:10:18,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:10:18,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:10:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:18,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 269 states and 336 transitions. [2023-12-03 02:10:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 336 transitions. [2023-12-03 02:10:18,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 02:10:18,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:18,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:18,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:18,897 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:18,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:10:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:20,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:20,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:10:20,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:10:21,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:10:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 276 states and 365 transitions. [2023-12-03 02:10:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 365 transitions. [2023-12-03 02:10:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 02:10:24,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:24,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:24,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:24,152 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:10:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:25,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:25,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:10:25,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:10:25,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:10:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 277 states and 365 transitions. [2023-12-03 02:10:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 365 transitions. [2023-12-03 02:10:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 02:10:27,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:27,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:27,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:27,005 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:27,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:10:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:28,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:28,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:10:28,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-12-03 02:10:29,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:10:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 279 states and 366 transitions. [2023-12-03 02:10:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 366 transitions. [2023-12-03 02:10:29,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 02:10:29,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:29,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:29,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:29,652 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:29,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:10:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:31,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:31,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:10:31,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 93 proven. 9 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:10:31,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:10:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 280 states and 366 transitions. [2023-12-03 02:10:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 366 transitions. [2023-12-03 02:10:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 02:10:32,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:32,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:32,623 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:32,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:10:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:34,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:34,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:10:34,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-12-03 02:10:34,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:10:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 282 states and 367 transitions. [2023-12-03 02:10:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 367 transitions. [2023-12-03 02:10:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 02:10:35,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:35,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:35,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:35,444 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:35,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:10:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:37,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:37,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:10:37,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 124 proven. 18 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:10:37,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:10:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2023-12-03 02:10:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2023-12-03 02:10:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 02:10:38,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:38,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:38,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:38,633 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:38,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:10:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:40,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:40,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:10:40,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:10:42,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-03 02:10:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 323 states and 414 transitions. [2023-12-03 02:10:59,861 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 414 transitions. [2023-12-03 02:10:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 02:10:59,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:59,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:59,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:59,862 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:59,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:11:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:01,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:01,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:11:01,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-03 02:11:02,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-03 02:11:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 325 states and 415 transitions. [2023-12-03 02:11:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 415 transitions. [2023-12-03 02:11:02,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 02:11:02,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:02,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:02,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:02,878 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:02,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:11:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:04,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:05,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:11:05,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 155 proven. 30 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:05,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:11:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 326 states and 415 transitions. [2023-12-03 02:11:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 415 transitions. [2023-12-03 02:11:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 02:11:06,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:06,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:06,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:06,485 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:06,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:11:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:07,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:08,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:11:08,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:11:08,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:11:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 329 states and 420 transitions. [2023-12-03 02:11:09,276 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 420 transitions. [2023-12-03 02:11:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 02:11:09,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:09,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:09,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:09,278 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:09,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:11:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:10,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:10,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:11:10,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:10,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:11:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 328 states and 418 transitions. [2023-12-03 02:11:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 418 transitions. [2023-12-03 02:11:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 02:11:10,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:10,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:10,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:10,984 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:10,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:11:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:12,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:13,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:11:13,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:11:14,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:11:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 330 states and 422 transitions. [2023-12-03 02:11:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 422 transitions. [2023-12-03 02:11:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 02:11:15,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:15,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:15,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:15,100 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:15,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:11:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:16,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:17,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:11:17,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:17,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 02:11:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 334 states and 428 transitions. [2023-12-03 02:11:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 428 transitions. [2023-12-03 02:11:18,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 02:11:18,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:18,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:18,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:18,406 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:18,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:11:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:20,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:20,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:11:20,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-03 02:11:20,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2023-12-03 02:11:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 336 states and 429 transitions. [2023-12-03 02:11:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 429 transitions. [2023-12-03 02:11:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 02:11:21,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:21,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:21,833 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:21,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:11:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:23,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:24,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:11:24,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 186 proven. 45 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:24,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:11:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 337 states and 429 transitions. [2023-12-03 02:11:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 429 transitions. [2023-12-03 02:11:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 02:11:25,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:25,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:25,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:25,734 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:25,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:11:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:27,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:28,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:11:28,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:11:28,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:11:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 341 states and 436 transitions. [2023-12-03 02:11:29,382 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 436 transitions. [2023-12-03 02:11:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 02:11:29,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:29,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:29,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:29,384 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:29,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:11:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:31,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:31,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:11:31,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:31,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:11:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 341 states and 435 transitions. [2023-12-03 02:11:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 435 transitions. [2023-12-03 02:11:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 02:11:31,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:31,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:31,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:31,498 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:31,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:11:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:33,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:34,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:11:34,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-12-03 02:11:34,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:11:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 343 states and 436 transitions. [2023-12-03 02:11:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 436 transitions. [2023-12-03 02:11:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 02:11:35,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:35,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:35,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:35,315 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:35,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:11:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:37,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:37,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:11:37,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 217 proven. 63 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:37,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:11:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 344 states and 436 transitions. [2023-12-03 02:11:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 436 transitions. [2023-12-03 02:11:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 02:11:39,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:39,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:39,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:39,485 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:39,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:11:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:41,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:41,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:11:41,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:42,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:11:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 346 states and 437 transitions. [2023-12-03 02:11:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 437 transitions. [2023-12-03 02:11:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 02:11:43,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:43,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:43,999 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:44,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:11:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:47,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:47,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:11:47,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:11:48,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:11:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 345 states and 436 transitions. [2023-12-03 02:11:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 436 transitions. [2023-12-03 02:11:49,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 02:11:49,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:49,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:49,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:49,252 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:49,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:11:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:51,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:51,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:11:51,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:11:52,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:11:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 349 states and 441 transitions. [2023-12-03 02:11:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 441 transitions. [2023-12-03 02:11:54,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:11:54,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:54,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:54,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:54,068 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:54,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:13:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:10,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:10,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-03 02:13:10,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:10,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-03 02:13:11,475 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-03 02:13:11,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2023-12-03 02:13:11,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-12-03 02:13:11,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-12-03 02:13:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:12,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 72 [2023-12-03 02:13:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:12,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 51 [2023-12-03 02:13:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:12,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2023-12-03 02:13:12,756 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:12,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 73 [2023-12-03 02:13:12,799 INFO L349 Elim1Store]: treesize reduction 6, result has 64.7 percent of original size [2023-12-03 02:13:12,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 25 [2023-12-03 02:13:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:12,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:12,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 66 [2023-12-03 02:13:15,463 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:15,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:15,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:15,880 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:15,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:15,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:16,289 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:16,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:16,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:16,703 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:16,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:16,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:17,073 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:17,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:17,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:17,461 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:17,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:17,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:17,849 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:17,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:17,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:18,242 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:18,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:18,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:18,640 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:18,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:18,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:19,069 INFO L349 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2023-12-03 02:13:19,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 90 [2023-12-03 02:13:19,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-12-03 02:13:21,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:13:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:21,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 18 [2023-12-03 02:13:21,812 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:13:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:13:21,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:13:21,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 13 [2023-12-03 02:13:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-12-03 02:13:22,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:13:28,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:14:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 385 states and 493 transitions. [2023-12-03 02:14:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 493 transitions. [2023-12-03 02:14:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 02:14:57,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:57,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:57,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:57,105 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:57,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:14:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:59,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:59,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:59,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-12-03 02:15:00,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:15:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 387 states and 494 transitions. [2023-12-03 02:15:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 494 transitions. [2023-12-03 02:15:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 02:15:01,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:01,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:01,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:01,445 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:01,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:15:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:03,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:03,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:15:03,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 248 proven. 84 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:15:04,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:15:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 388 states and 494 transitions. [2023-12-03 02:15:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 494 transitions. [2023-12-03 02:15:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 02:15:06,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:06,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:06,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:06,557 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:06,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:15:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:09,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:09,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:09,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2023-12-03 02:15:09,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:15:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 390 states and 495 transitions. [2023-12-03 02:15:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 495 transitions. [2023-12-03 02:15:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 02:15:11,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:11,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:11,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:11,090 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:11,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:15:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:13,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:13,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:15:13,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 279 proven. 108 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:15:13,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:15:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 391 states and 495 transitions. [2023-12-03 02:15:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 495 transitions. [2023-12-03 02:15:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 02:15:16,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:16,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:16,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:16,430 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:16,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:15:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:19,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:19,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:19,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2023-12-03 02:15:19,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:15:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 393 states and 496 transitions. [2023-12-03 02:15:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 496 transitions. [2023-12-03 02:15:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 02:15:21,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:21,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:21,046 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:21,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:15:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:23,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:23,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:23,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 310 proven. 135 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:15:24,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:15:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 394 states and 496 transitions. [2023-12-03 02:15:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 496 transitions. [2023-12-03 02:15:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 02:15:26,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:26,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:26,585 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:26,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:15:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:29,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:29,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:29,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-03 02:15:29,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:15:31,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 396 states and 497 transitions. [2023-12-03 02:15:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 497 transitions. [2023-12-03 02:15:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 02:15:31,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:31,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:31,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:31,377 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:31,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:15:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:34,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:34,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:15:34,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 341 proven. 165 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 02:15:34,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:15:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 397 states and 498 transitions. [2023-12-03 02:15:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 498 transitions. [2023-12-03 02:15:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 02:15:37,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:37,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:37,185 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:37,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:15:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:39,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:40,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:15:40,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-12-03 02:15:41,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:15:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 404 states and 529 transitions. [2023-12-03 02:15:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 529 transitions. [2023-12-03 02:15:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 02:15:48,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:48,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:48,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:48,078 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:48,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:15:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:50,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:51,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:51,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 124 proven. 3 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2023-12-03 02:15:51,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:15:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 405 states and 529 transitions. [2023-12-03 02:15:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 529 transitions. [2023-12-03 02:15:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 02:15:53,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:53,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:53,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:53,355 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:53,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7fd1ff-6c72-458f-a740-f30bb0cb391f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process