./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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 01:38:28,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:38:28,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:38:28,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:38:28,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:38:28,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:38:28,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:38:28,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:38:28,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:38:28,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:38:28,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:38:28,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:38:28,167 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:38:28,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:38:28,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:38:28,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:38:28,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:38:28,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:38:28,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:38:28,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:38:28,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:38:28,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:38:28,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:38:28,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:38:28,176 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:38:28,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:38:28,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:38:28,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:38:28,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:38:28,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:38:28,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:38:28,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:38:28,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:38:28,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:38:28,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:38:28,179 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_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 01:38:28,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:38:28,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:38:28,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:38:28,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:38:28,410 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:38:28,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-12-03 01:38:31,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:38:31,444 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:38:31,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-12-03 01:38:31,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data/ccb5169d9/8f3af11bb1c0497d8647c85d767aeefd/FLAG2a9d6a1a0 [2023-12-03 01:38:31,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data/ccb5169d9/8f3af11bb1c0497d8647c85d767aeefd [2023-12-03 01:38:31,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:38:31,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:38:31,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:38:31,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:38:31,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:38:31,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:38:31" (1/1) ... [2023-12-03 01:38:31,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746c9207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:31, skipping insertion in model container [2023-12-03 01:38:31,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:38:31" (1/1) ... [2023-12-03 01:38:31,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:38:32,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:38:32,066 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:38:32,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:38:32,203 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:38:32,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32 WrapperNode [2023-12-03 01:38:32,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:38:32,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:38:32,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:38:32,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:38:32,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,301 INFO L138 Inliner]: procedures = 177, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1464 [2023-12-03 01:38:32,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:38:32,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:38:32,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:38:32,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:38:32,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:38:32,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:38:32,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:38:32,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:38:32,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:32" (1/1) ... [2023-12-03 01:38:32,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:38:32,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:38:32,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:38:32,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:38:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:38:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:38:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:38:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:38:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:38:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:38:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:38:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:38:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:38:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:38:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:38:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:38:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:38:32,692 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:38:32,693 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:38:34,655 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:38:36,024 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:38:36,024 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 01:38:36,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:36 BoogieIcfgContainer [2023-12-03 01:38:36,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:38:36,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:38:36,027 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:38:36,036 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:38:36,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:36" (1/1) ... [2023-12-03 01:38:36,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:38:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 01:38:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 01:38:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:38:36,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:36,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2023-12-03 01:38:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2023-12-03 01:38:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:38:36,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:36,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:36,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 01:38:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 01:38:36,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:38:36,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:36,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:36,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:38:36,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 01:38:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 01:38:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:38:36,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:36,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:36,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:38:36,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 01:38:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 01:38:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:38:36,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:36,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:36,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:38:36,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 01:38:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 01:38:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:38:36,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:36,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:37,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:38:37,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:47,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:38:57,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:38:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 01:38:57,289 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 01:38:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:38:57,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:57,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:57,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:38:57,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:39:07,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:39:17,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:39:27,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:39:37,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:39:48,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:39:58,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:08,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:18,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 172 states and 227 transitions. [2023-12-03 01:40:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 227 transitions. [2023-12-03 01:40:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:40:18,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:19,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:40:19,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 172 states and 225 transitions. [2023-12-03 01:40:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 225 transitions. [2023-12-03 01:40:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:40:19,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:19,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:19,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:40:19,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 223 transitions. [2023-12-03 01:40:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2023-12-03 01:40:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:40:19,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:19,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:19,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:40:19,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:30,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:40,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:50,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:41:00,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:41:10,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:41:20,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:41:30,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:41:40,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:41:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:41:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 225 states and 288 transitions. [2023-12-03 01:41:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 288 transitions. [2023-12-03 01:41:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:41:40,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:41:40,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:41:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:41:41,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:41:41,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:41:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:41:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:41:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 225 states and 286 transitions. [2023-12-03 01:41:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 286 transitions. [2023-12-03 01:41:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:41:41,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:41:41,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:41:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:41:41,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:41:41,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:41:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:41:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:41:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 225 states and 284 transitions. [2023-12-03 01:41:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 284 transitions. [2023-12-03 01:41:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:41:41,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:41:41,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:41:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:41:41,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:41:41,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:41:41,786 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 01:41:51,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:41:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:41:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 225 states and 282 transitions. [2023-12-03 01:41:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2023-12-03 01:41:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:41:51,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:41:51,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:41:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:41:52,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:41:52,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:41:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:42:02,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:42:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:42:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 225 states and 280 transitions. [2023-12-03 01:42:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 280 transitions. [2023-12-03 01:42:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:42:02,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:42:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:42:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:42:02,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:42:02,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:42:02,616 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 01:42:12,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:42:22,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:42:32,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:42:42,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:42:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:42:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 228 states and 282 transitions. [2023-12-03 01:42:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 282 transitions. [2023-12-03 01:42:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:42:42,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:42:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:42:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:42:43,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:42:43,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:42:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:42:53,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:03,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:13,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:23,424 WARN L539 Checker$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 01:43:33,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:43,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:53,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:03,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 267 states and 330 transitions. [2023-12-03 01:44:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 330 transitions. [2023-12-03 01:44:03,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:44:03,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:03,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:04,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:44:04,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:44:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 267 states and 328 transitions. [2023-12-03 01:44:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 328 transitions. [2023-12-03 01:44:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:44:04,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:04,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:04,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:44:04,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:04,524 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 01:44:14,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:24,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:34,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:44,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 270 states and 330 transitions. [2023-12-03 01:44:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 330 transitions. [2023-12-03 01:44:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:44:44,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:44,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:44:44,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:45,020 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 01:44:55,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:05,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:15,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:25,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:45:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 273 states and 332 transitions. [2023-12-03 01:45:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 332 transitions. [2023-12-03 01:45:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:45:25,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:45:25,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:45:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:45:25,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:45:25,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:45:25,568 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 01:45:35,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:45,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:55,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:05,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 276 states and 334 transitions. [2023-12-03 01:46:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 334 transitions. [2023-12-03 01:46:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:46:05,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:06,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:46:06,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:46:06,219 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 01:46:16,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:26,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:36,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:46,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:46,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 279 states and 336 transitions. [2023-12-03 01:46:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 336 transitions. [2023-12-03 01:46:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:46:46,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:46,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:46,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:46:46,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:46:46,817 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 01:46:56,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:06,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:16,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:27,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 282 states and 338 transitions. [2023-12-03 01:47:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 338 transitions. [2023-12-03 01:47:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:47:27,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:27,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:27,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:47:27,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 282 states and 337 transitions. [2023-12-03 01:47:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 337 transitions. [2023-12-03 01:47:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:47:27,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:27,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:27,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:47:27,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:27,891 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 01:47:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 291 states and 347 transitions. [2023-12-03 01:47:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 347 transitions. [2023-12-03 01:47:27,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 01:47:27,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:27,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:28,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:47:28,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:28,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 300 states and 358 transitions. [2023-12-03 01:47:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 358 transitions. [2023-12-03 01:47:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:47:28,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:29,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:47:29,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:29,300 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 01:47:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 309 states and 368 transitions. [2023-12-03 01:47:29,333 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 368 transitions. [2023-12-03 01:47:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:47:29,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:29,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:29,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:47:29,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:29,733 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 01:47:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 318 states and 378 transitions. [2023-12-03 01:47:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 378 transitions. [2023-12-03 01:47:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:47:29,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:30,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:47:30,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:30,253 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 01:47:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 327 states and 389 transitions. [2023-12-03 01:47:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 389 transitions. [2023-12-03 01:47:30,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:47:30,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:30,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:31,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:47:31,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:31,178 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 01:47:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 336 states and 399 transitions. [2023-12-03 01:47:31,244 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 399 transitions. [2023-12-03 01:47:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:47:31,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:31,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:31,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:47:31,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:31,725 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 01:47:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 337 states and 401 transitions. [2023-12-03 01:47:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 401 transitions. [2023-12-03 01:47:32,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:47:32,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:32,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:47:32,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:32,479 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 01:47:42,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:52,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:02,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:12,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 351 states and 418 transitions. [2023-12-03 01:48:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2023-12-03 01:48:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:48:12,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:12,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:48:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:13,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:48:13,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:13,391 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 01:48:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 360 states and 428 transitions. [2023-12-03 01:48:13,452 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 428 transitions. [2023-12-03 01:48:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 01:48:13,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:13,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:48:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:13,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:48:13,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:13,882 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 01:48:23,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:33,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:43,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:54,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:54,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 363 states and 430 transitions. [2023-12-03 01:48:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 430 transitions. [2023-12-03 01:48:54,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 01:48:54,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:49:04,500 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:49:04,502 INFO L158 Benchmark]: Toolchain (without parser) took 633019.90ms. Allocated memory was 123.7MB in the beginning and 289.4MB in the end (delta: 165.7MB). Free memory was 77.6MB in the beginning and 189.9MB in the end (delta: -112.3MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-12-03 01:49:04,503 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:04,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.28ms. Allocated memory is still 123.7MB. Free memory was 77.5MB in the beginning and 80.6MB in the end (delta: -3.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-03 01:49:04,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.27ms. Allocated memory is still 123.7MB. Free memory was 80.6MB in the beginning and 71.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:49:04,504 INFO L158 Benchmark]: Boogie Preprocessor took 107.28ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 61.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:49:04,504 INFO L158 Benchmark]: RCFGBuilder took 3615.96ms. Allocated memory was 123.7MB in the beginning and 213.9MB in the end (delta: 90.2MB). Free memory was 61.2MB in the beginning and 150.7MB in the end (delta: -89.5MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-12-03 01:49:04,504 INFO L158 Benchmark]: CodeCheck took 628475.52ms. Allocated memory was 213.9MB in the beginning and 289.4MB in the end (delta: 75.5MB). Free memory was 150.7MB in the beginning and 189.9MB in the end (delta: -39.2MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-12-03 01:49:04,506 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 0.17ms. Allocated memory is still 92.3MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.28ms. Allocated memory is still 123.7MB. Free memory was 77.5MB in the beginning and 80.6MB in the end (delta: -3.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.27ms. Allocated memory is still 123.7MB. Free memory was 80.6MB in the beginning and 71.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.28ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 61.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3615.96ms. Allocated memory was 123.7MB in the beginning and 213.9MB in the end (delta: 90.2MB). Free memory was 61.2MB in the beginning and 150.7MB in the end (delta: -89.5MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * CodeCheck took 628475.52ms. Allocated memory was 213.9MB in the beginning and 289.4MB in the end (delta: 75.5MB). Free memory was 150.7MB in the beginning and 189.9MB in the end (delta: -39.2MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:49:04,713 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 01:49:04,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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 01:49:06,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:49:06,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:49:06,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:49:06,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:49:06,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:49:06,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:49:06,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:49:06,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:49:06,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:49:06,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:49:06,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:49:06,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:49:06,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:49:06,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:49:06,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:49:06,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:49:06,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:49:06,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:49:06,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:49:06,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:49:06,513 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:49:06,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:49:06,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:49:06,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:49:06,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:49:06,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:49:06,515 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:06,515 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:06,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:49:06,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:06,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:49:06,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:49:06,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:49:06,517 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:49:06,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:06,518 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:49:06,518 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:49:06,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:06,518 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_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 01:49:06,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:49:06,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:49:06,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:49:06,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:49:06,812 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:49:06,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-12-03 01:49:09,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:09,865 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:09,866 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-12-03 01:49:09,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data/7a994609d/8f11019627434eb48862856a295e277b/FLAG0998be5df [2023-12-03 01:49:09,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/data/7a994609d/8f11019627434eb48862856a295e277b [2023-12-03 01:49:09,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:09,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:09,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:09,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:09,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:09,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:09" (1/1) ... [2023-12-03 01:49:09,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3454de57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:09, skipping insertion in model container [2023-12-03 01:49:09,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:09" (1/1) ... [2023-12-03 01:49:09,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:10,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:10,484 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:49:10,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:10,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:10,584 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:10,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:10,698 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:10,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10 WrapperNode [2023-12-03 01:49:10,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:10,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:10,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:10,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:10,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,789 INFO L138 Inliner]: procedures = 180, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1127 [2023-12-03 01:49:10,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:10,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:10,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:10,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:10,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:10,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:10,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:10,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:10,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:10,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:10,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:10,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:49:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:49:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:49:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:49:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:11,179 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:11,181 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:39,097 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:39,549 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:39,549 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 01:49:39,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:39 BoogieIcfgContainer [2023-12-03 01:49:39,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:39,552 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:39,552 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:39,562 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:39,562 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:39" (1/1) ... [2023-12-03 01:49:39,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 01:49:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 01:49:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:49:39,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:39,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:39,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:39,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:39,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:49:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:40,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:40,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:49:40,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:40,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 01:49:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 01:49:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:49:40,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:40,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:40,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:40,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:40,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:49:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:41,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:41,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:49:41,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:41,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:49:41,250 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:49:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2023-12-03 01:49:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2023-12-03 01:49:41,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:49:41,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:41,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:41,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:41,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:41,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:49:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:41,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:41,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:41,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:41,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 01:49:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 01:49:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:49:41,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:41,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:41,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:41,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:41,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:49:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:42,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:42,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:42,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:42,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:49:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 01:49:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 01:49:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:49:42,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:42,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:42,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:42,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:49:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:42,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:42,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:42,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:42,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:49:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 01:49:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 01:49:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:49:42,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:42,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:42,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:49:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:43,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:43,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:43,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:43,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:49:44,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 01:49:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 01:49:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:49:45,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:45,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:45,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:45,063 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:45,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:49:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:45,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:46,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:49:46,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:46,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:49:46,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 180 transitions. [2023-12-03 01:49:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2023-12-03 01:49:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:49:46,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:46,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:46,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:46,521 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:46,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:49:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:46,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:47,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:47,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:47,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:49:47,339 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:49:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 134 states and 178 transitions. [2023-12-03 01:49:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2023-12-03 01:49:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:49:47,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:47,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:47,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:47,357 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:47,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:49:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:47,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:48,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:48,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:48,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 134 states and 176 transitions. [2023-12-03 01:49:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2023-12-03 01:49:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:49:48,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:48,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:48,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:48,266 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:48,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:49:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:48,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:49,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:49,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:49,269 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 01:49:49,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:49:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 134 states and 174 transitions. [2023-12-03 01:49:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 174 transitions. [2023-12-03 01:49:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:49:49,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:49,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:49,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:49,284 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:49,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:49:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:49,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:50,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:49:50,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:50,434 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 01:49:50,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:49:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 137 states and 176 transitions. [2023-12-03 01:49:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 176 transitions. [2023-12-03 01:49:50,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:49:50,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:50,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:50,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:50,462 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:50,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:49:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:51,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:51,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:49:51,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:52,179 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 01:49:52,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:49:55,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:56,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 233 transitions. [2023-12-03 01:49:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 233 transitions. [2023-12-03 01:49:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:49:57,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:57,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:57,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:57,326 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:57,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:49:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:58,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:58,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:58,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:58,473 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 01:49:58,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:49:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 183 states and 231 transitions. [2023-12-03 01:49:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 231 transitions. [2023-12-03 01:49:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:49:58,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:58,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:58,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:58,498 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:58,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:49:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:59,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:59,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:59,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:59,674 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 01:49:59,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:49:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 183 states and 229 transitions. [2023-12-03 01:49:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 229 transitions. [2023-12-03 01:49:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:49:59,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:59,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:59,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:59,696 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:59,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:50:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:00,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:00,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:50:00,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:00,990 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 01:50:01,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:50:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 183 states and 227 transitions. [2023-12-03 01:50:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 227 transitions. [2023-12-03 01:50:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:50:01,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:01,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:01,014 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:50:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:02,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:02,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:50:02,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:02,939 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 01:50:02,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 01:50:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 186 states and 229 transitions. [2023-12-03 01:50:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions. [2023-12-03 01:50:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:50:03,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:03,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:03,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:03,023 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:03,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:50:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:04,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:04,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:50:04,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:04,531 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 01:50:04,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:50:14,569 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 01:50:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 186 states and 227 transitions. [2023-12-03 01:50:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2023-12-03 01:50:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:50:14,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:14,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:14,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:14,599 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:14,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:50:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:15,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:16,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:50:16,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:16,514 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 01:50:16,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:50:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 189 states and 229 transitions. [2023-12-03 01:50:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 229 transitions. [2023-12-03 01:50:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:50:16,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:16,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:16,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:16,565 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:16,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:50:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:17,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:18,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:50:18,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:18,288 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 01:50:18,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:50:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 189 states and 228 transitions. [2023-12-03 01:50:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 228 transitions. [2023-12-03 01:50:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:50:18,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:18,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:18,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:18,324 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:18,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:50:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:19,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:20,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:50:20,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:20,758 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 01:50:20,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:50:25,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:35,164 WARN L539 Checker$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 01:50:45,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:52,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 198 states and 239 transitions. [2023-12-03 01:50:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 239 transitions. [2023-12-03 01:50:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:50:52,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:52,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:52,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:52,520 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:52,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:50:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:53,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:54,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:50:54,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:54,465 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 01:50:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:50:59,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:00,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:01,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:01,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:01,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:01,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:01,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:01,465 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:01,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:51:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:02,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:03,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:03,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:03,542 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 01:51:03,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:51:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:03,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:03,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:03,732 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:03,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:51:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:05,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:05,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:05,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:05,719 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 01:51:05,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:51:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:05,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:05,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:05,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:05,754 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:05,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:51:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:07,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:07,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:07,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:07,803 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 01:51:07,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:51:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:07,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:07,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:07,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:07,840 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:07,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:51:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:09,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:09,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:09,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:09,923 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 01:51:09,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 01:51:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:09,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:09,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:09,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:09,960 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:09,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:51:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:11,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:12,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:12,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:12,223 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 01:51:12,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:51:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:12,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:12,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:12,261 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:12,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:51:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:14,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:14,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:14,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:14,609 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 01:51:14,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:51:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:14,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:14,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:14,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:14,650 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:14,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:51:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:16,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:16,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:16,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:16,973 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 01:51:16,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:51:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:17,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:17,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:17,012 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:17,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:51:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:18,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:19,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:19,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:19,326 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 01:51:19,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:51:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:19,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:19,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:19,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:19,368 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:19,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:51:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:21,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:22,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:22,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:22,065 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 01:51:22,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:51:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:22,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:22,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:22,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:22,110 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:22,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:51:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:24,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:24,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:24,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:24,733 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 01:51:24,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:51:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:24,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:24,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:24,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:24,777 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:24,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:51:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:26,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:27,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:27,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:27,200 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 01:51:27,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 01:51:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:27,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:27,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:27,245 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:51:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:29,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:29,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:29,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:29,809 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 01:51:29,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:51:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:29,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:29,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:29,857 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:29,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:51:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:32,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:32,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:32,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:32,670 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 01:51:32,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:51:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:32,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:32,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:32,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:32,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:32,724 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:32,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:51:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:35,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:35,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:35,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:35,625 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 01:51:35,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:51:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:35,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:35,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:35,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:35,685 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:35,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:51:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:38,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:38,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:38,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:38,613 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 01:51:38,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:51:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:38,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:38,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:38,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:38,667 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:38,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:51:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:40,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:41,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:41,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:41,525 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 01:51:41,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:51:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:41,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:41,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:41,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:41,573 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:41,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:51:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:44,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:44,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:44,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:44,668 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 01:51:44,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:51:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:44,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:44,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:44,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:44,705 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:44,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:51:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:47,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:47,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:47,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:47,595 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 01:51:47,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:51:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:47,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:47,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:47,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:47,673 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:47,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:51:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:50,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:50,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:50,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:50,736 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 01:51:50,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:51:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:50,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:50,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:50,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:50,772 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:50,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:51:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:53,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:53,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:53,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:53,814 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 01:51:53,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:51:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:53,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:53,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:53,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:53,852 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:53,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:51:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:56,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:57,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:57,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:57,195 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 01:51:57,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:51:57,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:51:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:51:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:51:57,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:57,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:57,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:57,233 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:57,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:51:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:59,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:00,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:00,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:00,354 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 01:52:00,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:52:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:00,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:00,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:00,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:00,394 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:00,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:52:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:03,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:03,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:03,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:03,693 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 01:52:03,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:52:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:03,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:03,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:03,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:03,733 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:03,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:52:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:06,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:07,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:07,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:07,033 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 01:52:07,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:52:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:07,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:07,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:07,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:07,073 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:07,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:52:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:09,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:10,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:10,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:10,476 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 01:52:10,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:52:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:10,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:10,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:10,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:10,521 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:10,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:52:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:13,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:13,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:13,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:13,903 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 01:52:13,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 01:52:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:13,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:13,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:13,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:13,943 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:13,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:52:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:17,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:17,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:17,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:17,584 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 01:52:17,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:52:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:17,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:17,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:17,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:17,624 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:17,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:52:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:20,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:21,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:21,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:21,295 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 01:52:21,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:52:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:21,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:21,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:21,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:21,360 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:21,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:52:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:24,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:25,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:25,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:25,154 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 01:52:25,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:52:25,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:25,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:25,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:25,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:25,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:25,197 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:25,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:52:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:28,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:28,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:28,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:28,958 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 01:52:28,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 01:52:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:29,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:29,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:29,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:29,001 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:29,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:52:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:32,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:32,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:32,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:32,813 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 01:52:32,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:52:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:32,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:32,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:32,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:32,854 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:32,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:52:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:36,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:36,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:36,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:36,690 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 01:52:36,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:52:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:36,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:36,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:36,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:36,734 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:36,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:52:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:40,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:40,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:40,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:40,691 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 01:52:40,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:52:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:40,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:40,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:40,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:40,757 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:40,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:52:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:44,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:44,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:44,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:44,759 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 01:52:44,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:52:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:44,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:44,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:44,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:44,802 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:44,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:52:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:48,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:49,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:49,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:49,169 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 01:52:49,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:52:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:49,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:49,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:49,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:49,215 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:49,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:52:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:52,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:53,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:53,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:53,441 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 01:52:53,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:52:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 01:52:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 01:52:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:52:53,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:53,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:53,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:53,484 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:53,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d8e9fa-86e7-45b6-9e9f-85e30a359c5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:52:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:57,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported