./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/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_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/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 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:20:06,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:20:06,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:20:06,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:20:06,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:20:06,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:20:06,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:20:06,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:20:06,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:20:06,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:20:06,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:20:06,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:20:06,209 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:20:06,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:20:06,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:20:06,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:20:06,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:20:06,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:20:06,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:20:06,213 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:20:06,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:20:06,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:20:06,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:20:06,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:20:06,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:20:06,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:20:06,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:20:06,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:20:06,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:06,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:20:06,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:20:06,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:20:06,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:20:06,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:20:06,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:20:06,221 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_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 04:20:06,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:20:06,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:20:06,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:20:06,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:20:06,443 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:20:06,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-03 04:20:09,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:20:09,460 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:20:09,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-03 04:20:09,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data/785cb15c8/68c337d2659f469e9c210d3384b68dd0/FLAG895101a98 [2023-12-03 04:20:09,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data/785cb15c8/68c337d2659f469e9c210d3384b68dd0 [2023-12-03 04:20:09,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:20:09,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:20:09,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:09,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:20:09,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:20:09,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:09" (1/1) ... [2023-12-03 04:20:09,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@546ffe30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:09, skipping insertion in model container [2023-12-03 04:20:09,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:09" (1/1) ... [2023-12-03 04:20:09,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:20:10,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:10,034 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:20:10,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:10,160 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:20:10,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10 WrapperNode [2023-12-03 04:20:10,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:10,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:10,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:20:10,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:20:10,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,273 INFO L138 Inliner]: procedures = 177, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1464 [2023-12-03 04:20:10,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:10,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:20:10,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:20:10,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:20:10,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:20:10,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:20:10,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:20:10,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:20:10,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:10" (1/1) ... [2023-12-03 04:20:10,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:20:10,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:20:10,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:20:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:20:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:20:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:20:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:20:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:20:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:20:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:20:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:20:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:20:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:20:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:20:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:20:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:20:10,708 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:20:10,710 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:20:12,788 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:20:14,269 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:20:14,269 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 04:20:14,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:14 BoogieIcfgContainer [2023-12-03 04:20:14,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:20:14,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:20:14,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:20:14,282 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:20:14,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:14" (1/1) ... [2023-12-03 04:20:14,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:20:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 04:20:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 04:20:14,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:20:14,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:14,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:14,515 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 04:20:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2023-12-03 04:20:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2023-12-03 04:20:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:20:14,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:14,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:14,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:20:14,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:14,645 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 04:20:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 04:20:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 04:20:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:20:14,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:14,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:14,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:14,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:14,772 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 04:20:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 04:20:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 04:20:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:20:14,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:14,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:14,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:14,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:14,871 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 04:20:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 04:20:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 04:20:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:20:14,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:15,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:15,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:15,010 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 04:20:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 04:20:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 04:20:15,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:20:15,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:15,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:15,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:15,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:15,312 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 04:20:25,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:35,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 04:20:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 04:20:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:20:35,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:35,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:20:35,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:36,045 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 04:20:46,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:56,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:06,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:16,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:26,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:36,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:46,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:56,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 172 states and 227 transitions. [2023-12-03 04:21:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 227 transitions. [2023-12-03 04:21:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:21:57,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:57,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:21:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:57,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:57,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:57,445 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 04:21:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 172 states and 225 transitions. [2023-12-03 04:21:57,456 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 225 transitions. [2023-12-03 04:21:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:21:57,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:57,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:21:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:57,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:57,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:57,783 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 04:21:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 223 transitions. [2023-12-03 04:21:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2023-12-03 04:21:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:21:57,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:21:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:58,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:58,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:58,276 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 04:22:08,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:18,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:28,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:38,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:48,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:58,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:08,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:18,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 225 states and 288 transitions. [2023-12-03 04:23:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 288 transitions. [2023-12-03 04:23:19,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:23:19,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:19,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:19,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:19,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:19,349 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 04:23:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 225 states and 286 transitions. [2023-12-03 04:23:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 286 transitions. [2023-12-03 04:23:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:23:19,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:19,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:19,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:19,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:19,705 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 04:23:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 225 states and 284 transitions. [2023-12-03 04:23:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 284 transitions. [2023-12-03 04:23:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:23:19,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:19,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:20,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:20,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:20,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:30,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 225 states and 282 transitions. [2023-12-03 04:23:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2023-12-03 04:23:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:23:30,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:30,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:30,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:30,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:40,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 225 states and 280 transitions. [2023-12-03 04:23:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 280 transitions. [2023-12-03 04:23:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:23:40,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:40,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:40,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:23:50,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:00,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:10,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:21,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 228 states and 282 transitions. [2023-12-03 04:24:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 282 transitions. [2023-12-03 04:24:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:24:21,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:21,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:24:21,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:24:31,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:41,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:51,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:01,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:12,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:22,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:32,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:42,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 267 states and 330 transitions. [2023-12-03 04:25:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 330 transitions. [2023-12-03 04:25:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:25:42,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:42,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:25:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:42,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:25:42,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:42,458 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 04:25:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 267 states and 328 transitions. [2023-12-03 04:25:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 328 transitions. [2023-12-03 04:25:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:25:42,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:42,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:25:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:42,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:42,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:25:52,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:02,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:12,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:23,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 270 states and 330 transitions. [2023-12-03 04:26:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 330 transitions. [2023-12-03 04:26:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:26:23,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:23,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:23,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:23,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:26:33,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:43,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:53,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:03,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 273 states and 332 transitions. [2023-12-03 04:27:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 332 transitions. [2023-12-03 04:27:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:27:03,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:03,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:03,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:03,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:27:14,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:24,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:34,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:44,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 276 states and 334 transitions. [2023-12-03 04:27:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 334 transitions. [2023-12-03 04:27:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:27:44,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:44,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:44,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:27:44,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:27:54,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:04,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:14,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:24,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 279 states and 336 transitions. [2023-12-03 04:28:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 336 transitions. [2023-12-03 04:28:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:28:24,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:25,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:28:25,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:28:35,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:45,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:55,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:05,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 282 states and 338 transitions. [2023-12-03 04:29:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 338 transitions. [2023-12-03 04:29:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:05,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:05,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:05,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:05,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:05,943 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 04:29:05,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 282 states and 337 transitions. [2023-12-03 04:29:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 337 transitions. [2023-12-03 04:29:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:29:05,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:05,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:06,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:06,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 291 states and 347 transitions. [2023-12-03 04:29:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 347 transitions. [2023-12-03 04:29:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 04:29:06,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:06,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:06,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:06,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:06,894 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 04:29:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 300 states and 358 transitions. [2023-12-03 04:29:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 358 transitions. [2023-12-03 04:29:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:29:07,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:07,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:07,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:07,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 309 states and 368 transitions. [2023-12-03 04:29:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 368 transitions. [2023-12-03 04:29:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:29:07,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:07,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:08,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:08,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 318 states and 378 transitions. [2023-12-03 04:29:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 378 transitions. [2023-12-03 04:29:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:29:08,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:08,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:08,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:08,618 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 04:29:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 327 states and 389 transitions. [2023-12-03 04:29:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 389 transitions. [2023-12-03 04:29:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:29:09,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:09,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:09,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:09,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 336 states and 399 transitions. [2023-12-03 04:29:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 399 transitions. [2023-12-03 04:29:09,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 04:29:09,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:09,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:09,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:09,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:09,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:29:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 337 states and 401 transitions. [2023-12-03 04:29:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 401 transitions. [2023-12-03 04:29:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:29:10,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:10,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:10,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:29:10,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:21,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:31,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:41,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:51,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 351 states and 418 transitions. [2023-12-03 04:29:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2023-12-03 04:29:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:29:51,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:51,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:29:51,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 360 states and 428 transitions. [2023-12-03 04:29:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 428 transitions. [2023-12-03 04:29:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 04:29:51,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:52,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:29:52,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:30:02,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:12,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:22,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:32,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 363 states and 430 transitions. [2023-12-03 04:30:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 430 transitions. [2023-12-03 04:30:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 04:30:32,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:32,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:30:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:30:42,990 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 04:30:42,993 INFO L158 Benchmark]: Toolchain (without parser) took 633495.36ms. Allocated memory was 176.2MB in the beginning and 310.4MB in the end (delta: 134.2MB). Free memory was 124.2MB in the beginning and 183.1MB in the end (delta: -59.0MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2023-12-03 04:30:42,993 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:30:42,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.90ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 90.1MB in the end (delta: 34.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 04:30:42,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.57ms. Allocated memory is still 176.2MB. Free memory was 89.5MB in the beginning and 80.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:30:42,994 INFO L158 Benchmark]: Boogie Preprocessor took 168.88ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 80.5MB in the beginning and 192.6MB in the end (delta: -112.0MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-12-03 04:30:42,995 INFO L158 Benchmark]: RCFGBuilder took 3827.21ms. Allocated memory was 237.0MB in the beginning and 310.4MB in the end (delta: 73.4MB). Free memory was 192.6MB in the beginning and 213.3MB in the end (delta: -20.8MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. [2023-12-03 04:30:42,995 INFO L158 Benchmark]: CodeCheck took 628720.23ms. Allocated memory is still 310.4MB. Free memory was 213.3MB in the beginning and 183.1MB in the end (delta: 30.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-03 04:30:42,998 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 0.19ms. Allocated memory is still 176.2MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.90ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 90.1MB in the end (delta: 34.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.57ms. Allocated memory is still 176.2MB. Free memory was 89.5MB in the beginning and 80.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 168.88ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 80.5MB in the beginning and 192.6MB in the end (delta: -112.0MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3827.21ms. Allocated memory was 237.0MB in the beginning and 310.4MB in the end (delta: 73.4MB). Free memory was 192.6MB in the beginning and 213.3MB in the end (delta: -20.8MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. * CodeCheck took 628720.23ms. Allocated memory is still 310.4MB. Free memory was 213.3MB in the beginning and 183.1MB in the end (delta: 30.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:30:43,206 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:30:43,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/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_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/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 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:30:44,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:30:44,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:30:44,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:30:44,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:30:44,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:30:44,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:30:44,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:30:44,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:30:44,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:30:44,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:30:44,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:30:44,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:30:44,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:30:44,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:30:44,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:30:44,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:30:44,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:30:44,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:30:44,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:30:44,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:30:44,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:30:44,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:30:44,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:30:44,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:30:44,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:30:44,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:30:44,999 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:45,000 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:30:45,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:30:45,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:30:45,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:30:45,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:30:45,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:30:45,002 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:30:45,002 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:45,003 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:30:45,003 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:30:45,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:30:45,003 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_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 04:30:45,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:30:45,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:30:45,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:30:45,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:30:45,309 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:30:45,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-03 04:30:48,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:30:48,331 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:30:48,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-03 04:30:48,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data/29ca7b4a0/e8c35363602d478fbea09870a552cd76/FLAGee726af32 [2023-12-03 04:30:48,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/data/29ca7b4a0/e8c35363602d478fbea09870a552cd76 [2023-12-03 04:30:48,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:30:48,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:30:48,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:30:48,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:30:48,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:30:48,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:30:48" (1/1) ... [2023-12-03 04:30:48,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dad0b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:48, skipping insertion in model container [2023-12-03 04:30:48,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:30:48" (1/1) ... [2023-12-03 04:30:48,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:30:48,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:30:48,961 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:30:48,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:30:49,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:30:49,088 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:30:49,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:30:49,221 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:30:49,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49 WrapperNode [2023-12-03 04:30:49,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:30:49,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:30:49,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:30:49,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:30:49,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,323 INFO L138 Inliner]: procedures = 180, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1127 [2023-12-03 04:30:49,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:30:49,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:30:49,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:30:49,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:30:49,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:30:49,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:30:49,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:30:49,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:30:49,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:30:49" (1/1) ... [2023-12-03 04:30:49,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:30:49,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:30:49,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:30:49,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:30:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:30:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:30:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:30:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:30:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:30:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:30:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:30:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:30:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:30:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:30:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:30:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:30:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:30:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:30:49,731 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:30:49,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:31:16,442 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:31:16,918 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:31:16,919 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 04:31:16,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:16 BoogieIcfgContainer [2023-12-03 04:31:16,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:31:16,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:31:16,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:31:16,931 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:31:16,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:16" (1/1) ... [2023-12-03 04:31:16,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:31:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 04:31:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 04:31:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:31:16,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:16,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:16,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:17,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:17,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:31:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:17,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:17,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:31:17,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:17,544 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 04:31:17,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:18,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:31:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 04:31:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 04:31:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:31:18,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:18,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:18,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:18,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:18,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:31:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:19,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:19,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:31:19,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:19,273 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 04:31:19,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:31:19,278 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:31:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2023-12-03 04:31:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2023-12-03 04:31:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:31:19,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:19,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:19,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:19,485 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:19,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:31:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:19,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:19,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:19,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:19,850 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 04:31:19,853 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:31:19,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:31:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 04:31:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 04:31:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:31:19,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:19,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:19,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:19,867 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:19,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:31:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:20,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:20,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:20,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:20,253 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 04:31:20,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:31:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 04:31:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 04:31:20,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:31:20,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:20,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:20,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:20,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:20,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:31:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:20,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:20,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:20,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:20,740 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 04:31:20,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:20,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 04:31:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 04:31:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:31:20,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:20,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:20,758 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:20,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:31:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:21,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:21,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:21,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:21,436 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 04:31:21,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:31:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 04:31:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 04:31:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:31:23,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:23,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:23,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:23,248 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:23,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:31:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:23,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:24,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:24,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:24,393 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 04:31:24,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:31:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 180 transitions. [2023-12-03 04:31:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2023-12-03 04:31:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:31:24,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:24,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:24,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:24,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:31:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:25,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:25,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:25,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:25,594 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 04:31:25,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:31:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 134 states and 178 transitions. [2023-12-03 04:31:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2023-12-03 04:31:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:31:25,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:25,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:25,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:25,612 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:25,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:31:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:26,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:26,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:26,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:26,531 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 04:31:26,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:31:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 134 states and 176 transitions. [2023-12-03 04:31:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2023-12-03 04:31:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:31:26,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:26,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:26,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:26,548 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:26,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:31:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:27,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:27,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:27,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:27,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:31:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 134 states and 174 transitions. [2023-12-03 04:31:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 174 transitions. [2023-12-03 04:31:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:31:27,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:27,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:27,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:27,495 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:27,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:31:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:28,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:28,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:28,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:28,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:31:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 137 states and 176 transitions. [2023-12-03 04:31:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 176 transitions. [2023-12-03 04:31:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:31:28,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:28,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:28,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:28,763 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:28,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:31:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:29,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:29,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:29,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:30,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:31:32,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:31:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 233 transitions. [2023-12-03 04:31:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 233 transitions. [2023-12-03 04:31:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:31:34,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:34,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:34,671 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:34,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:31:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:35,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:35,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:35,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:35,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:31:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 183 states and 231 transitions. [2023-12-03 04:31:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 231 transitions. [2023-12-03 04:31:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:31:35,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:35,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:35,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:35,897 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:35,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:31:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:36,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:37,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:37,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:37,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:31:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 183 states and 229 transitions. [2023-12-03 04:31:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 229 transitions. [2023-12-03 04:31:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:31:37,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:37,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:37,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:37,161 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:37,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:31:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:38,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:38,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:38,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:38,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:31:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 183 states and 227 transitions. [2023-12-03 04:31:38,500 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 227 transitions. [2023-12-03 04:31:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:31:38,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:38,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:38,502 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:38,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:31:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:39,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:39,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:39,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:31:40,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:31:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 186 states and 229 transitions. [2023-12-03 04:31:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions. [2023-12-03 04:31:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:31:40,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:40,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:40,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:40,438 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:40,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:31:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:41,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:41,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:41,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:41,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:31:46,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:31:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 186 states and 227 transitions. [2023-12-03 04:31:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2023-12-03 04:31:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:31:46,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:46,074 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:46,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:31:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:47,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:47,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:47,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:31:48,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:31:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 189 states and 229 transitions. [2023-12-03 04:31:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 229 transitions. [2023-12-03 04:31:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:31:48,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:48,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:48,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:48,085 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:48,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:31:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:49,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:49,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:49,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:31:49,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:31:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 189 states and 228 transitions. [2023-12-03 04:31:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 228 transitions. [2023-12-03 04:31:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:31:49,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:49,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:49,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:49,748 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:49,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:31:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:51,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:51,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:51,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:31:52,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:32:02,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:12,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:22,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:32,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 198 states and 239 transitions. [2023-12-03 04:32:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 239 transitions. [2023-12-03 04:32:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:32:32,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:32,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:32,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:32,285 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:32,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:32:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:33,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:34,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:34,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 04:32:34,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:32:36,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:37,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:40,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:41,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:44,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:32:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:32:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:32:45,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:45,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:45,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:45,064 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:45,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:32:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:46,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:46,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:46,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:47,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:32:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:32:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:32:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:32:47,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:47,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:47,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:47,217 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:47,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:32:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:48,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:49,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:49,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:49,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:32:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:32:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:32:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:32:49,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:49,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:49,279 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:49,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:32:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:50,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:51,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:51,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:51,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:32:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:32:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:32:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:32:51,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:51,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:51,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:51,289 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:51,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:32:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:52,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:53,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:53,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:53,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:32:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:32:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:32:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:32:53,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:53,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:53,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:53,587 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:53,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:32:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:55,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:55,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:55,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:55,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:32:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:32:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:32:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:32:55,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:55,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:55,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:55,834 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:55,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:32:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:57,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:57,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:57,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:58,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:32:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:32:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:32:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:32:58,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:58,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:58,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:58,045 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:58,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:32:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:59,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:00,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:00,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:00,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:33:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:00,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:00,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:00,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:00,319 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:00,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:33:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:02,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:02,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:02,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:02,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:33:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:02,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:02,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:02,887 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:02,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:33:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:04,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:05,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:05,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:05,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:33:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:05,414 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:05,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:05,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:05,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:05,416 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:05,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:33:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:07,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:07,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:07,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:07,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:33:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:07,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:07,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:07,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:07,853 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:07,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:33:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:09,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:10,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:10,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:10,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:33:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:10,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:10,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:10,541 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:10,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:33:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:12,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:13,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:13,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:13,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:13,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:13,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:13,451 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:13,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:33:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:15,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:16,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:16,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:16,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:33:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:16,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:16,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:16,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:16,137 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:16,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:33:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:18,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:18,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:18,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:18,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:18,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:18,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:18,734 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:18,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:33:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:21,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:21,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:21,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:21,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:33:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:21,685 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:21,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:21,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:21,686 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:21,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:33:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:23,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:24,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:24,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:24,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:24,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:24,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:24,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:24,507 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:24,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:33:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:26,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:27,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:27,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:27,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:33:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:27,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:27,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:27,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:27,482 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:27,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:33:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:30,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:30,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:33:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:30,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:30,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:30,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:30,636 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:30,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:33:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:33,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:33,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:33,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:33,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:33:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:33,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:33,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:33,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:33,782 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:33,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:33:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:36,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:36,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:36,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:36,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:36,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:33:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:36,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:36,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:36,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:36,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:36,786 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:36,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:33:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:39,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:39,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:39,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:39,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:39,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:39,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:39,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:39,888 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:39,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:33:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:42,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:43,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:43,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:43,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:33:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:43,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:43,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:43,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:43,241 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:43,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:33:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:45,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:46,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:46,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:46,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:33:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:46,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:46,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:46,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:46,342 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:46,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:33:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:49,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:49,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:49,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:49,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:33:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:49,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:49,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:49,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:49,704 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:49,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:33:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:52,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:52,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:52,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:52,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:33:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:52,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:52,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:52,989 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:52,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:33:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:56,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:56,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:56,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:56,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:33:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:33:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:33:56,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:56,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:56,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:56,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:56,787 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:56,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:33:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:59,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:00,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:00,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:00,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:34:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:00,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:00,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:00,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:00,516 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:00,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:34:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:03,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:03,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:03,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:03,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:34:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:03,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:03,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:03,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:03,874 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:03,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:34:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:07,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:07,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:07,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:08,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:34:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:08,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:08,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:08,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:08,043 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:08,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:34:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:11,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:11,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:11,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:11,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:34:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:11,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:11,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:11,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:11,959 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:11,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:34:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:15,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:15,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:15,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:15,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:34:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:15,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:15,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:15,736 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:15,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:34:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:19,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:19,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:19,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:19,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:34:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:19,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:19,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:19,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:19,647 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:19,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:34:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:23,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:23,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:34:23,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:23,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:23,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:23,683 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:23,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:34:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:27,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:27,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:27,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:27,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:34:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:27,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:27,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:27,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:27,679 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:27,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:34:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:31,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:31,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:31,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:31,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:34:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:34:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:34:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:31,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:31,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:31,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:31,640 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:31,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d3d349-ebb2-4c5d-86ec-a1bbf4bfda1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:34:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:35,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported